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Cabin Air Filter
CUK 31 003

About this item

High-quality MANN-FILTER cabin filters with active carbon - nearly 100% protection from particles like pollen, diesel soot & tire abrasion / Additional protection from harmful gases & unpleasant odour. The trated highly-effective activated carbon gives protection against harmful gases such as ozone, nitrogen oxide or sulphur dioxide and eliminates unpleasant odours during the entire service interval.

  • A = 12.244 in; B = 8.661 in; H = 1.22 in
  • Activated carbon filter

GTIN Code: 4011558072025

Mounting Instruction

Product Details

Product Image CUK31003_MANN-FILTER

Product Image CUK31003_MANN-FILTER
A 12.2 mm
B 8.7 mm
H 1.2 mm

Model Type Engine Code ccm kW HP Year of Manufacture
Q8 (V6 3.0L 2995cc) Cabin Air Filter DCBD - - -
RS Q8 (V8 4.0L 3996cc 244 CID) Cabin Air Filter DWNB - - -
RS6 Avant (V8 4.0L 3996cc 244 CID) Cabin Air Filter DYGA - - -
RS7 Sportback (V8 4.0L 3996cc 244 CID) Cabin Air Filter DYGA - - -
Model Type Q8 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code DCBD
ccm -
kW -
HP -
Year of Manufacture
Model Type RS Q8 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DWNB
ccm -
kW -
HP -
Year of Manufacture
Model Type RS6 Avant (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DYGA
ccm -
kW -
HP -
Year of Manufacture
Model Type RS7 Sportback (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DYGA
ccm -
kW -
HP -
Year of Manufacture

Model Type Engine Code ccm kW HP Year of Manufacture
A4 allroad (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DPAA - - -
A5 Quattro (L4 2.0L 1984cc 121 CID)
Cabin Air Filter CYRB - - -
A5 Sportback (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DPAA - - -
A6 Quattro (V6 3.0L 2995cc)
Cabin Air Filter DLZA - - -
A6 allroad (V6 3.0L 2995cc)
Cabin Air Filter DLZA - - -
Q5 (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DGKB - - -
Q5 PHEV (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DSMA - - -
Q5 Sportback (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DGKB - - -
Q7 (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DUVA - - -
Q7 (V6 3.0L 2995cc)
Cabin Air Filter DCBD - - -
Q8 (V6 3.0L 2995cc)
Cabin Air Filter DCBD - - -
Q8 e-tron (Electric Engine)
Cabin Air Filter - - - -
Q8 e-tron Sportback (Electric Engine)
Cabin Air Filter - - - -
RS Q8 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DWRB - - -
RS e-tron GT (Electric Engine)
Cabin Air Filter EBGA - - -
RS5 (V6 2.9L 2894cc 177 CID)
Cabin Air Filter DECA - - -
RS5 Sportback (V6 2.9L 2894cc 177 CID)
Cabin Air Filter DECA - - -
RS6 Avant (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DYGA - - -
S4 (V6 3.0L 2995cc)
Cabin Air Filter CWGD - - -
S7 Sportback (V6 2.9L 2894cc 177 CID)
Cabin Air Filter DKMB - - -
SQ5 (V6 3.0L 2995cc)
Cabin Air Filter CWGD - - -
SQ5 Sportback (V6 3.0L 2995cc)
Cabin Air Filter CWGD - - -
SQ8 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DWRB - - -
SQ8 e-tron (Electric Engine)
Cabin Air Filter - - - -
SQ8 e-tron Sportback (Electric Engine)
Cabin Air Filter - - - -
e-tron GT (Electric Engine)
Cabin Air Filter EBFA - - -
Model Type A4 allroad (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DPAA
ccm -
kW -
HP -
Year of Manufacture
Model Type A5 Quattro (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code CYRB
ccm -
kW -
HP -
Year of Manufacture
Model Type A5 Sportback (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DPAA
ccm -
kW -
HP -
Year of Manufacture
Model Type A6 Quattro (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code DLZA
ccm -
kW -
HP -
Year of Manufacture
Model Type A6 allroad (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code DLZA
ccm -
kW -
HP -
Year of Manufacture
Model Type Q5 (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DGKB
ccm -
kW -
HP -
Year of Manufacture
Model Type Q5 PHEV (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DSMA
ccm -
kW -
HP -
Year of Manufacture
Model Type Q5 Sportback (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DGKB
ccm -
kW -
HP -
Year of Manufacture
Model Type Q7 (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DUVA
ccm -
kW -
HP -
Year of Manufacture
Model Type Q7 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code DCBD
ccm -
kW -
HP -
Year of Manufacture
Model Type Q8 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code DCBD
ccm -
kW -
HP -
Year of Manufacture
Model Type Q8 e-tron (Electric Engine)
Cabin Air Filter
Engine Code -
ccm -
kW -
HP -
Year of Manufacture
Model Type Q8 e-tron Sportback (Electric Engine)
Cabin Air Filter
Engine Code -
ccm -
kW -
HP -
Year of Manufacture
Model Type RS Q8 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DWRB
ccm -
kW -
HP -
Year of Manufacture
Model Type RS e-tron GT (Electric Engine)
Cabin Air Filter
Engine Code EBGA
ccm -
kW -
HP -
Year of Manufacture
Model Type RS5 (V6 2.9L 2894cc 177 CID)
Cabin Air Filter
Engine Code DECA
ccm -
kW -
HP -
Year of Manufacture
Model Type RS5 Sportback (V6 2.9L 2894cc 177 CID)
Cabin Air Filter
Engine Code DECA
ccm -
kW -
HP -
Year of Manufacture
Model Type RS6 Avant (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DYGA
ccm -
kW -
HP -
Year of Manufacture
Model Type S4 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code CWGD
ccm -
kW -
HP -
Year of Manufacture
Model Type S7 Sportback (V6 2.9L 2894cc 177 CID)
Cabin Air Filter
Engine Code DKMB
ccm -
kW -
HP -
Year of Manufacture
Model Type SQ5 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code CWGD
ccm -
kW -
HP -
Year of Manufacture
Model Type SQ5 Sportback (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code CWGD
ccm -
kW -
HP -
Year of Manufacture
Model Type SQ8 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DWRB
ccm -
kW -
HP -
Year of Manufacture
Model Type SQ8 e-tron (Electric Engine)
Cabin Air Filter
Engine Code -
ccm -
kW -
HP -
Year of Manufacture
Model Type SQ8 e-tron Sportback (Electric Engine)
Cabin Air Filter
Engine Code -
ccm -
kW -
HP -
Year of Manufacture
Model Type e-tron GT (Electric Engine)
Cabin Air Filter
Engine Code EBFA
ccm -
kW -
HP -
Year of Manufacture

Model Type Engine Code ccm kW HP Year of Manufacture
A4 Quattro (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DPAA - - -
A4 allroad (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DPAA - - -
A5 Quattro (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DPAA - - -
A5 Sportback (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DDWB - - -
A6 Quattro (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DLHA - - -
Q5 (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DAXB - - -
Q5 PHEV (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DSMA - - -
Q5 Sportback (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DAXB - - -
Q7 (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DUVA - - -
Q7 (V6 3.0L 2995cc)
Cabin Air Filter DCBD - - -
Q8 (V6 3.0L 2995cc)
Cabin Air Filter DCBD - - -
RS Q8 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DHUB - - -
RS e-tron GT (Electric Engine)
Cabin Air Filter EBGA - - -
RS5 (V6 2.9L 2894cc 177 CID)
Cabin Air Filter DECA - - -
RS5 Sportback (V6 2.9L 2894cc 177 CID)
Cabin Air Filter DECA - - -
RS6 Avant (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DWLA - - -
RS7 Sportback (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DWLA - - -
S4 (V6 3.0L 2995cc)
Cabin Air Filter CWGD - - -
S7 Sportback (V6 2.9L 2894cc 177 CID)
Cabin Air Filter DKMB - - -
SQ5 (V6 3.0L 2995cc)
Cabin Air Filter CWGD - - -
SQ5 Sportback (V6 3.0L 2995cc)
Cabin Air Filter CWGD - - -
SQ7 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DWRB - - -
SQ8 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DWRB - - -
e-tron GT (Electric Engine)
Cabin Air Filter EBFA - - -
e-tron Quattro (Electric Engine)
Cabin Air Filter - - - -
e-tron S (Electric Engine)
Cabin Air Filter - - - -
e-tron S Sportback (Electric Engine)
Cabin Air Filter - - - -
e-tron Sportback (Electric Engine)
Cabin Air Filter - - - -
Model Type A4 Quattro (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DPAA
ccm -
kW -
HP -
Year of Manufacture
Model Type A4 allroad (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DPAA
ccm -
kW -
HP -
Year of Manufacture
Model Type A5 Quattro (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DPAA
ccm -
kW -
HP -
Year of Manufacture
Model Type A5 Sportback (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DDWB
ccm -
kW -
HP -
Year of Manufacture
Model Type A6 Quattro (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DLHA
ccm -
kW -
HP -
Year of Manufacture
Model Type Q5 (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DAXB
ccm -
kW -
HP -
Year of Manufacture
Model Type Q5 PHEV (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DSMA
ccm -
kW -
HP -
Year of Manufacture
Model Type Q5 Sportback (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DAXB
ccm -
kW -
HP -
Year of Manufacture
Model Type Q7 (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DUVA
ccm -
kW -
HP -
Year of Manufacture
Model Type Q7 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code DCBD
ccm -
kW -
HP -
Year of Manufacture
Model Type Q8 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code DCBD
ccm -
kW -
HP -
Year of Manufacture
Model Type RS Q8 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DHUB
ccm -
kW -
HP -
Year of Manufacture
Model Type RS e-tron GT (Electric Engine)
Cabin Air Filter
Engine Code EBGA
ccm -
kW -
HP -
Year of Manufacture
Model Type RS5 (V6 2.9L 2894cc 177 CID)
Cabin Air Filter
Engine Code DECA
ccm -
kW -
HP -
Year of Manufacture
Model Type RS5 Sportback (V6 2.9L 2894cc 177 CID)
Cabin Air Filter
Engine Code DECA
ccm -
kW -
HP -
Year of Manufacture
Model Type RS6 Avant (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DWLA
ccm -
kW -
HP -
Year of Manufacture
Model Type RS7 Sportback (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DWLA
ccm -
kW -
HP -
Year of Manufacture
Model Type S4 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code CWGD
ccm -
kW -
HP -
Year of Manufacture
Model Type S7 Sportback (V6 2.9L 2894cc 177 CID)
Cabin Air Filter
Engine Code DKMB
ccm -
kW -
HP -
Year of Manufacture
Model Type SQ5 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code CWGD
ccm -
kW -
HP -
Year of Manufacture
Model Type SQ5 Sportback (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code CWGD
ccm -
kW -
HP -
Year of Manufacture
Model Type SQ7 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DWRB
ccm -
kW -
HP -
Year of Manufacture
Model Type SQ8 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DWRB
ccm -
kW -
HP -
Year of Manufacture
Model Type e-tron GT (Electric Engine)
Cabin Air Filter
Engine Code EBFA
ccm -
kW -
HP -
Year of Manufacture
Model Type e-tron Quattro (Electric Engine)
Cabin Air Filter
Engine Code -
ccm -
kW -
HP -
Year of Manufacture
Model Type e-tron S (Electric Engine)
Cabin Air Filter
Engine Code -
ccm -
kW -
HP -
Year of Manufacture
Model Type e-tron S Sportback (Electric Engine)
Cabin Air Filter
Engine Code -
ccm -
kW -
HP -
Year of Manufacture
Model Type e-tron Sportback (Electric Engine)
Cabin Air Filter
Engine Code -
ccm -
kW -
HP -
Year of Manufacture

Model Type Engine Code ccm kW HP Year of Manufacture
A4 Quattro (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DPAA - - -
A4 allroad (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DPAA - - -
A5 Quattro (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DPAA - - -
A5 Sportback (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DKYA - - -
A6 Quattro (V6 3.0L 2995cc)
Cabin Air Filter DLZA - - -
A6 allroad (V6 3.0L 2995cc)
Cabin Air Filter DLZA - - -
A7 Sportback (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DLHA - - -
Q5 (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DAXC - - -
Q5 PHEV (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DLGA - - -
Q5 Sportback (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DAXC - - -
Q7 (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DMFB - - -
Q7 (V6 3.0L 2995cc)
Cabin Air Filter DCBD - - -
Q8 (V6 3.0L 2995cc)
Cabin Air Filter DCBD - - -
RS Q8 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DJPB - - -
RS e-tron GT (Electric Engine)
Cabin Air Filter EBGA - - -
RS5 (V6 2.9L 2894cc 177 CID)
Cabin Air Filter DKMB - - -
RS5 Sportback (V6 2.9L 2894cc 177 CID)
Cabin Air Filter DKMB - - -
RS6 Avant (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DJPB - - -
RS7 Sportback (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DJPB - - -
S4 (V6 3.0L 2995cc)
Cabin Air Filter CWGD - - -
S7 Sportback (V6 2.9L 2894cc 177 CID)
Cabin Air Filter DKMB - - -
SQ5 (V6 3.0L 2995cc)
Cabin Air Filter CWGD - - -
SQ5 Sportback (V6 3.0L 2995cc)
Cabin Air Filter CWGD - - -
SQ7 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DCUE - - -
SQ8 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DCUE - - -
e-tron GT (Electric Engine)
Cabin Air Filter EBFA - - -
e-tron Quattro (Electric Engine)
Cabin Air Filter - - - -
e-tron S (Electric Engine)
Cabin Air Filter - - - -
e-tron S Sportback (Electric Engine)
Cabin Air Filter - - - -
e-tron Sportback (Electric Engine)
Cabin Air Filter - - - -
Model Type A4 Quattro (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DPAA
ccm -
kW -
HP -
Year of Manufacture
Model Type A4 allroad (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DPAA
ccm -
kW -
HP -
Year of Manufacture
Model Type A5 Quattro (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DPAA
ccm -
kW -
HP -
Year of Manufacture
Model Type A5 Sportback (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DKYA
ccm -
kW -
HP -
Year of Manufacture
Model Type A6 Quattro (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code DLZA
ccm -
kW -
HP -
Year of Manufacture
Model Type A6 allroad (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code DLZA
ccm -
kW -
HP -
Year of Manufacture
Model Type A7 Sportback (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DLHA
ccm -
kW -
HP -
Year of Manufacture
Model Type Q5 (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DAXC
ccm -
kW -
HP -
Year of Manufacture
Model Type Q5 PHEV (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DLGA
ccm -
kW -
HP -
Year of Manufacture
Model Type Q5 Sportback (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DAXC
ccm -
kW -
HP -
Year of Manufacture
Model Type Q7 (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DMFB
ccm -
kW -
HP -
Year of Manufacture
Model Type Q7 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code DCBD
ccm -
kW -
HP -
Year of Manufacture
Model Type Q8 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code DCBD
ccm -
kW -
HP -
Year of Manufacture
Model Type RS Q8 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DJPB
ccm -
kW -
HP -
Year of Manufacture
Model Type RS e-tron GT (Electric Engine)
Cabin Air Filter
Engine Code EBGA
ccm -
kW -
HP -
Year of Manufacture
Model Type RS5 (V6 2.9L 2894cc 177 CID)
Cabin Air Filter
Engine Code DKMB
ccm -
kW -
HP -
Year of Manufacture
Model Type RS5 Sportback (V6 2.9L 2894cc 177 CID)
Cabin Air Filter
Engine Code DKMB
ccm -
kW -
HP -
Year of Manufacture
Model Type RS6 Avant (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DJPB
ccm -
kW -
HP -
Year of Manufacture
Model Type RS7 Sportback (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DJPB
ccm -
kW -
HP -
Year of Manufacture
Model Type S4 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code CWGD
ccm -
kW -
HP -
Year of Manufacture
Model Type S7 Sportback (V6 2.9L 2894cc 177 CID)
Cabin Air Filter
Engine Code DKMB
ccm -
kW -
HP -
Year of Manufacture
Model Type SQ5 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code CWGD
ccm -
kW -
HP -
Year of Manufacture
Model Type SQ5 Sportback (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code CWGD
ccm -
kW -
HP -
Year of Manufacture
Model Type SQ7 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DCUE
ccm -
kW -
HP -
Year of Manufacture
Model Type SQ8 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DCUE
ccm -
kW -
HP -
Year of Manufacture
Model Type e-tron GT (Electric Engine)
Cabin Air Filter
Engine Code EBFA
ccm -
kW -
HP -
Year of Manufacture
Model Type e-tron Quattro (Electric Engine)
Cabin Air Filter
Engine Code -
ccm -
kW -
HP -
Year of Manufacture
Model Type e-tron S (Electric Engine)
Cabin Air Filter
Engine Code -
ccm -
kW -
HP -
Year of Manufacture
Model Type e-tron S Sportback (Electric Engine)
Cabin Air Filter
Engine Code -
ccm -
kW -
HP -
Year of Manufacture
Model Type e-tron Sportback (Electric Engine)
Cabin Air Filter
Engine Code -
ccm -
kW -
HP -
Year of Manufacture

Model Type Engine Code ccm kW HP Year of Manufacture
A4 allroad (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DPAA - - -
A6 Quattro (V6 3.0L 2995cc)
Cabin Air Filter DLZA - - -
A6 allroad (V6 3.0L 2995cc)
Cabin Air Filter DLZA - - -
Q5 (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DPVA - - -
Q5 PHEV (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DLGA - - -
Q5 Sportback (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DPVA - - -
Q7 (V6 3.0L 2995cc)
Cabin Air Filter DCBD - - -
Q7 (L4 2.0L 1984cc 121 CID)
Cabin Air Filter DMFB - - -
Q8 (V6 3.0L 2995cc)
Cabin Air Filter DCBD - - -
RS Q8 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DHUB - - -
RS5 (V6 2.9L 2894cc 177 CID)
Cabin Air Filter DECA - - -
RS5 Sportback (V6 2.9L 2894cc 177 CID)
Cabin Air Filter DECA - - -
RS6 Avant (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DJPB - - -
RS7 Sportback (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DJPB - - -
S4 (V6 3.0L 2995cc)
Cabin Air Filter CTUD - - -
S5 (V6 3.0L 2995cc)
Cabin Air Filter CWGD - - -
S5 Sportback (V6 3.0L 2995cc)
Cabin Air Filter CWGD - - -
S7 Sportback (V6 2.9L 2894cc 177 CID)
Cabin Air Filter DKMB - - -
SQ5 (V6 3.0L 2995cc)
Cabin Air Filter CWGD - - -
SQ5 Sportback (V6 3.0L 2995cc)
Cabin Air Filter CWGD - - -
SQ7 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DCUE - - -
SQ8 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DCUE - - -
e-tron Quattro (Electric Engine)
Cabin Air Filter - - - -
e-tron Sportback (Electric Engine)
Cabin Air Filter - - - -
Model Type A4 allroad (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DPAA
ccm -
kW -
HP -
Year of Manufacture
Model Type A6 Quattro (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code DLZA
ccm -
kW -
HP -
Year of Manufacture
Model Type A6 allroad (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code DLZA
ccm -
kW -
HP -
Year of Manufacture
Model Type Q5 (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DPVA
ccm -
kW -
HP -
Year of Manufacture
Model Type Q5 PHEV (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DLGA
ccm -
kW -
HP -
Year of Manufacture
Model Type Q5 Sportback (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DPVA
ccm -
kW -
HP -
Year of Manufacture
Model Type Q7 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code DCBD
ccm -
kW -
HP -
Year of Manufacture
Model Type Q7 (L4 2.0L 1984cc 121 CID)
Cabin Air Filter
Engine Code DMFB
ccm -
kW -
HP -
Year of Manufacture
Model Type Q8 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code DCBD
ccm -
kW -
HP -
Year of Manufacture
Model Type RS Q8 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DHUB
ccm -
kW -
HP -
Year of Manufacture
Model Type RS5 (V6 2.9L 2894cc 177 CID)
Cabin Air Filter
Engine Code DECA
ccm -
kW -
HP -
Year of Manufacture
Model Type RS5 Sportback (V6 2.9L 2894cc 177 CID)
Cabin Air Filter
Engine Code DECA
ccm -
kW -
HP -
Year of Manufacture
Model Type RS6 Avant (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DJPB
ccm -
kW -
HP -
Year of Manufacture
Model Type RS7 Sportback (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DJPB
ccm -
kW -
HP -
Year of Manufacture
Model Type S4 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code CTUD
ccm -
kW -
HP -
Year of Manufacture
Model Type S5 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code CWGD
ccm -
kW -
HP -
Year of Manufacture
Model Type S5 Sportback (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code CWGD
ccm -
kW -
HP -
Year of Manufacture
Model Type S7 Sportback (V6 2.9L 2894cc 177 CID)
Cabin Air Filter
Engine Code DKMB
ccm -
kW -
HP -
Year of Manufacture
Model Type SQ5 (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code CWGD
ccm -
kW -
HP -
Year of Manufacture
Model Type SQ5 Sportback (V6 3.0L 2995cc)
Cabin Air Filter
Engine Code CWGD
ccm -
kW -
HP -
Year of Manufacture
Model Type SQ7 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DCUE
ccm -
kW -
HP -
Year of Manufacture
Model Type SQ8 (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DCUE
ccm -
kW -
HP -
Year of Manufacture
Model Type e-tron Quattro (Electric Engine)
Cabin Air Filter
Engine Code -
ccm -
kW -
HP -
Year of Manufacture
Model Type e-tron Sportback (Electric Engine)
Cabin Air Filter
Engine Code -
ccm -
kW -
HP -
Year of Manufacture

Model Type Engine Code ccm kW HP Year of Manufacture
A5 Quattro (4 cyl. 2.0L FI Turbo 16V) Cabin Air Filter CYRB 1984 - -
A7 Sportback (V6 3.0L FI Turbo 24V) Cabin Air Filter DLZA 2995 - -
Q5 (4 cyl. 2.0L FI Turbo 16V) Cabin Air Filter DJYA 1984 - -
Q8 (V6 3.0L FI Turbo 24V) Cabin Air Filter CWGD 2995 - -
RS5 (V6 2.9L FI Turbo 24V) Cabin Air Filter DECA 2894 - -
RS5 Sportback (V6 2.9L FI Turbo 24V) Cabin Air Filter DECA 2894 - -
S4 (V6 3.0L F.I. Turbo 24V) Cabin Air Filter CWGD 2995 - -
S5 (V6 3.0L FI Turbo 24V) Cabin Air Filter CWGD 2995 - -
S5 Sportback (V6 3.0L FI Turbo 24V) Cabin Air Filter CWGD 2995 - -
Model Type A5 Quattro (4 cyl. 2.0L FI Turbo 16V)
Cabin Air Filter
Engine Code CYRB
ccm 1984
kW -
HP -
Year of Manufacture
Model Type A7 Sportback (V6 3.0L FI Turbo 24V)
Cabin Air Filter
Engine Code DLZA
ccm 2995
kW -
HP -
Year of Manufacture
Model Type Q5 (4 cyl. 2.0L FI Turbo 16V)
Cabin Air Filter
Engine Code DJYA
ccm 1984
kW -
HP -
Year of Manufacture
Model Type Q8 (V6 3.0L FI Turbo 24V)
Cabin Air Filter
Engine Code CWGD
ccm 2995
kW -
HP -
Year of Manufacture
Model Type RS5 (V6 2.9L FI Turbo 24V)
Cabin Air Filter
Engine Code DECA
ccm 2894
kW -
HP -
Year of Manufacture
Model Type RS5 Sportback (V6 2.9L FI Turbo 24V)
Cabin Air Filter
Engine Code DECA
ccm 2894
kW -
HP -
Year of Manufacture
Model Type S4 (V6 3.0L F.I. Turbo 24V)
Cabin Air Filter
Engine Code CWGD
ccm 2995
kW -
HP -
Year of Manufacture
Model Type S5 (V6 3.0L FI Turbo 24V)
Cabin Air Filter
Engine Code CWGD
ccm 2995
kW -
HP -
Year of Manufacture
Model Type S5 Sportback (V6 3.0L FI Turbo 24V)
Cabin Air Filter
Engine Code CWGD
ccm 2995
kW -
HP -
Year of Manufacture

Model Type Engine Code ccm kW HP Year of Manufacture
A4 Quattro (4 cyl. 2.0L FI Turbo 16V) Cabin Air Filter CYMC 1984 - -
A5 Quattro (4 cyl. 2.0L FI Turbo 16V) Cabin Air Filter CYRB 1984 - -
A6 Quattro (V6 3.0L FI Supercharged 24V) Cabin Air Filter DLZA 2995 - -
A7 Sportback (V6 3.0L FI Turbo 24V) Cabin Air Filter DLZA 2995 - -
A8 Quattro (V6 3.0L FI Turbo) Cabin Air Filter CZSE 2995 - -
Q5 (4 cyl. 2.0L FI Turbo 16V) Cabin Air Filter DJYA 1984 - -
Q7 (V6 3.0L FI Supercharged 24V) Cabin Air Filter CREC 2995 - -
Q8 (V6 3.0L FI Turbo 24V) Cabin Air Filter CWGD 2995 - -
RS5 (V6 2.9L FI Turbo 24V) Cabin Air Filter DECA 2894 - -
S4 (V6 3.0L F.I. Turbo 24V) Cabin Air Filter CWGD 2995 - -
S5 (V6 3.0L FI Turbo 24V) Cabin Air Filter CWGD 2995 - -
S5 Sportback (V6 3.0L FI Turbo 24V) Cabin Air Filter CWGD 2995 - -
SQ5 (V6 3.0L FI Turbo 24V) Cabin Air Filter CWGD 2995 - -
Model Type A4 Quattro (4 cyl. 2.0L FI Turbo 16V)
Cabin Air Filter
Engine Code CYMC
ccm 1984
kW -
HP -
Year of Manufacture
Model Type A5 Quattro (4 cyl. 2.0L FI Turbo 16V)
Cabin Air Filter
Engine Code CYRB
ccm 1984
kW -
HP -
Year of Manufacture
Model Type A6 Quattro (V6 3.0L FI Supercharged 24V)
Cabin Air Filter
Engine Code DLZA
ccm 2995
kW -
HP -
Year of Manufacture
Model Type A7 Sportback (V6 3.0L FI Turbo 24V)
Cabin Air Filter
Engine Code DLZA
ccm 2995
kW -
HP -
Year of Manufacture
Model Type A8 Quattro (V6 3.0L FI Turbo)
Cabin Air Filter
Engine Code CZSE
ccm 2995
kW -
HP -
Year of Manufacture
Model Type Q5 (4 cyl. 2.0L FI Turbo 16V)
Cabin Air Filter
Engine Code DJYA
ccm 1984
kW -
HP -
Year of Manufacture
Model Type Q7 (V6 3.0L FI Supercharged 24V)
Cabin Air Filter
Engine Code CREC
ccm 2995
kW -
HP -
Year of Manufacture
Model Type Q8 (V6 3.0L FI Turbo 24V)
Cabin Air Filter
Engine Code CWGD
ccm 2995
kW -
HP -
Year of Manufacture
Model Type RS5 (V6 2.9L FI Turbo 24V)
Cabin Air Filter
Engine Code DECA
ccm 2894
kW -
HP -
Year of Manufacture
Model Type S4 (V6 3.0L F.I. Turbo 24V)
Cabin Air Filter
Engine Code CWGD
ccm 2995
kW -
HP -
Year of Manufacture
Model Type S5 (V6 3.0L FI Turbo 24V)
Cabin Air Filter
Engine Code CWGD
ccm 2995
kW -
HP -
Year of Manufacture
Model Type S5 Sportback (V6 3.0L FI Turbo 24V)
Cabin Air Filter
Engine Code CWGD
ccm 2995
kW -
HP -
Year of Manufacture
Model Type SQ5 (V6 3.0L FI Turbo 24V)
Cabin Air Filter
Engine Code CWGD
ccm 2995
kW -
HP -
Year of Manufacture

Model Type Engine Code ccm kW HP Year of Manufacture
A4 allroad (4 cyl. 2.0L F.I. Turbo 16V) Cabin Air Filter CYMC 1984 - -
A5 Quattro (4 cyl. 2.0L F.I. Turbo 16V) Cabin Air Filter CYRB 1984 - -
A5 Sportback (4 cyl. 2.0L FI Turbo 16V) Cabin Air Filter CYMC 1984 - -
Q5 (4 cyl. 2.0L FI Turbo 16V) Cabin Air Filter DAYB 1984 - -
Q7 (V6 3.0L F.I. Supercharged 24V) Cabin Air Filter CREC 2995 - -
Q7 (4 cyl. 2.0L FI Turbo 16V) Cabin Air Filter CYMC 1984 - -
RS5 (V6 2.9L FI Turbo 24V) Cabin Air Filter DECA 2894 - -
S4 (V6 3.0L F.I. Turbo 24V) Cabin Air Filter CWGD 2995 - -
SQ5 (V6 3.0L DI Turbo 24V) Cabin Air Filter CWGD 2995 - -
Model Type A4 allroad (4 cyl. 2.0L F.I. Turbo 16V)
Cabin Air Filter
Engine Code CYMC
ccm 1984
kW -
HP -
Year of Manufacture
Model Type A5 Quattro (4 cyl. 2.0L F.I. Turbo 16V)
Cabin Air Filter
Engine Code CYRB
ccm 1984
kW -
HP -
Year of Manufacture
Model Type A5 Sportback (4 cyl. 2.0L FI Turbo 16V)
Cabin Air Filter
Engine Code CYMC
ccm 1984
kW -
HP -
Year of Manufacture
Model Type Q5 (4 cyl. 2.0L FI Turbo 16V)
Cabin Air Filter
Engine Code DAYB
ccm 1984
kW -
HP -
Year of Manufacture
Model Type Q7 (V6 3.0L F.I. Supercharged 24V)
Cabin Air Filter
Engine Code CREC
ccm 2995
kW -
HP -
Year of Manufacture
Model Type Q7 (4 cyl. 2.0L FI Turbo 16V)
Cabin Air Filter
Engine Code CYMC
ccm 1984
kW -
HP -
Year of Manufacture
Model Type RS5 (V6 2.9L FI Turbo 24V)
Cabin Air Filter
Engine Code DECA
ccm 2894
kW -
HP -
Year of Manufacture
Model Type S4 (V6 3.0L F.I. Turbo 24V)
Cabin Air Filter
Engine Code CWGD
ccm 2995
kW -
HP -
Year of Manufacture
Model Type SQ5 (V6 3.0L DI Turbo 24V)
Cabin Air Filter
Engine Code CWGD
ccm 2995
kW -
HP -
Year of Manufacture

Model Type Engine Code ccm kW HP Year of Manufacture
A4 allroad (4 cyl. 2.0L FI Turbo 16V) Cabin Air Filter CYMC 1984 - -
A5 (4 cyl. 2.0L F.I. Turbo 16V) Cabin Air Filter CYMC 1984 - -
Q7 (4 cyl. 2.0L D.I. Turbo 16V) Cabin Air Filter CYMC 1984 - -
Model Type A4 allroad (4 cyl. 2.0L FI Turbo 16V)
Cabin Air Filter
Engine Code CYMC
ccm 1984
kW -
HP -
Year of Manufacture
Model Type A5 (4 cyl. 2.0L F.I. Turbo 16V)
Cabin Air Filter
Engine Code CYMC
ccm 1984
kW -
HP -
Year of Manufacture
Model Type Q7 (4 cyl. 2.0L D.I. Turbo 16V)
Cabin Air Filter
Engine Code CYMC
ccm 1984
kW -
HP -
Year of Manufacture

Model Type Engine Code ccm kW HP Year of Manufacture
Cayenne (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DCUD - - -
Cayenne (V6 2.9L 2894cc 177 CID)
Cabin Air Filter DCAB - - -
Cayenne (V6 3.0L 2995cc 183 CID)
Cabin Air Filter DCBE - - -
Model Type Cayenne (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DCUD
ccm -
kW -
HP -
Year of Manufacture
Model Type Cayenne (V6 2.9L 2894cc 177 CID)
Cabin Air Filter
Engine Code DCAB
ccm -
kW -
HP -
Year of Manufacture
Model Type Cayenne (V6 3.0L 2995cc 183 CID)
Cabin Air Filter
Engine Code DCBE
ccm -
kW -
HP -
Year of Manufacture

Model Type Engine Code ccm kW HP Year of Manufacture
Cayenne (V6 2.9L 2894cc 177 CID)
Cabin Air Filter DCAB - - -
Cayenne (V6 3.0L 2995cc 183 CID)
Cabin Air Filter DCBE - - -
Cayenne (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DCUD - - -
Model Type Cayenne (V6 2.9L 2894cc 177 CID)
Cabin Air Filter
Engine Code DCAB
ccm -
kW -
HP -
Year of Manufacture
Model Type Cayenne (V6 3.0L 2995cc 183 CID)
Cabin Air Filter
Engine Code DCBE
ccm -
kW -
HP -
Year of Manufacture
Model Type Cayenne (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DCUD
ccm -
kW -
HP -
Year of Manufacture

Model Type Engine Code ccm kW HP Year of Manufacture
Cayenne (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DWNF - - -
Cayenne (V6 3.0L 2995cc 183 CID)
Cabin Air Filter DCBF - - -
Macan (V6 2.9L 2894cc 177 CID)
Cabin Air Filter DGRB - - -
Model Type Cayenne (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DWNF
ccm -
kW -
HP -
Year of Manufacture
Model Type Cayenne (V6 3.0L 2995cc 183 CID)
Cabin Air Filter
Engine Code DCBF
ccm -
kW -
HP -
Year of Manufacture
Model Type Macan (V6 2.9L 2894cc 177 CID)
Cabin Air Filter
Engine Code DGRB
ccm -
kW -
HP -
Year of Manufacture

Model Type Engine Code ccm kW HP Year of Manufacture
Cayenne (V6 3.0L 2995cc 183 CID)
Cabin Air Filter DCBE - - -
Cayenne (V6 2.9L 2894cc 177 CID)
Cabin Air Filter DCAB - - -
Cayenne (V8 4.0L 3996cc 244 CID)
Cabin Air Filter DCUD - - -
Model Type Cayenne (V6 3.0L 2995cc 183 CID)
Cabin Air Filter
Engine Code DCBE
ccm -
kW -
HP -
Year of Manufacture
Model Type Cayenne (V6 2.9L 2894cc 177 CID)
Cabin Air Filter
Engine Code DCAB
ccm -
kW -
HP -
Year of Manufacture
Model Type Cayenne (V8 4.0L 3996cc 244 CID)
Cabin Air Filter
Engine Code DCUD
ccm -
kW -
HP -
Year of Manufacture

Model Type Engine Code ccm kW HP Year of Manufacture
Cayenne (V6 3.0L FI Turbo 24V) Cabin Air Filter DCBE 2997 - -
Cayenne Hybrid (V6 3.0L D.I. Turbo 24V) Cabin Air Filter DCBE 2997 - -
Cayenne S (V6 2.9L Turbo) Cabin Air Filter DCAB 2894 - -
Cayenne Turbo (V8 4.0L Turbo) Cabin Air Filter DCUA 3996 - -
Cayenne Turbo S Hybrid (V8 4.0L Turbo) Cabin Air Filter DCUA 3996 - -
Model Type Cayenne (V6 3.0L FI Turbo 24V)
Cabin Air Filter
Engine Code DCBE
ccm 2997
kW -
HP -
Year of Manufacture
Model Type Cayenne Hybrid (V6 3.0L D.I. Turbo 24V)
Cabin Air Filter
Engine Code DCBE
ccm 2997
kW -
HP -
Year of Manufacture
Model Type Cayenne S (V6 2.9L Turbo)
Cabin Air Filter
Engine Code DCAB
ccm 2894
kW -
HP -
Year of Manufacture
Model Type Cayenne Turbo (V8 4.0L Turbo)
Cabin Air Filter
Engine Code DCUA
ccm 3996
kW -
HP -
Year of Manufacture
Model Type Cayenne Turbo S Hybrid (V8 4.0L Turbo)
Cabin Air Filter
Engine Code DCUA
ccm 3996
kW -
HP -
Year of Manufacture

Model Type Engine Code ccm kW HP Year of Manufacture
Cayenne (V6 3.0L FI Turbo 24V) Cabin Air Filter DCBE 2997 - -
Cayenne Hybrid (V6 3.0L D.I. Turbo 24V) Cabin Air Filter DCBE 2997 - -
Cayenne S (V6 2.9L Turbo) Cabin Air Filter DCA 2894 - -
Cayenne Turbo (V8 4.0L Turbo) Cabin Air Filter 3996 - -
Model Type Cayenne (V6 3.0L FI Turbo 24V)
Cabin Air Filter
Engine Code DCBE
ccm 2997
kW -
HP -
Year of Manufacture
Model Type Cayenne Hybrid (V6 3.0L D.I. Turbo 24V)
Cabin Air Filter
Engine Code DCBE
ccm 2997
kW -
HP -
Year of Manufacture
Model Type Cayenne S (V6 2.9L Turbo)
Cabin Air Filter
Engine Code DCA
ccm 2894
kW -
HP -
Year of Manufacture
Model Type Cayenne Turbo (V8 4.0L Turbo)
Cabin Air Filter
Engine Code
ccm 3996
kW -
HP -
Year of Manufacture

  • 4M0 819 439 A
  • 8W0 819 439 A

No data available

SVHC declaration according to the regulation EC 1907/2006 concerning the Registration, Evaluation, Authorisation, and Restriction of Chemicals (REACH).

 

Product: CUK 31 003

MANN+HUMMEL is well aware of REACH and meets all legal obligations under this regulation.

MANN+HUMMEL has established internal processes to ensure implementation and compliance with the REACH Regulation. Especially, we continuously work on the assessment of the presence of SVHC (Substances of Very High Concern).

We may inform you that according to the present level of information and best knowledge, this product does not contain any SVHC listed on the Candidate List in a concentration above 0,1% (w/w).

Last update: 2025-05-28 00:00:00

Safety notice: Filters and similar components must only be installed by persons with relevant mechanical knowledge and experience, see IEC 60417 - 6183

Cabin Air Filter Content

Cabin air filters put the joy back into driving

Cabin air filter against pollen by MANN-FILTER

The air that flows into your vehicle through the ventilation ducts while driving may contain up to five times more exhaust gases, dirt, dust and other pollutants than fresh air. The only barrier between these pollutants and the occupants of your vehicle is the cabin air filter, which is why it is important to replace it every year, every 12,000 miles or as recommended by the vehicle's manufacturer.

Vehicle cabin air filters remove up to 90% of even the tiniest harmful particulates (up to 1µm, in size) creating a barrier between passengers and the incoming air. A MANN-FILTER cabin air filter separates nearly all fine PM2.5 particulates (up to 95%) – the damaging micro-organisms contained in dust, dirt, pollen, exhaust fumes, smoke and other pollutants. Some of these are smaller than 3% of the diameter of a human hair. Which shows how powerful and effective a cabin air filter is. 

Dust and pollen filters: Benefits at a glance

What’s all the fuss about? Here are the cabin air filter benefits you will enjoy with a MANN-FILTER product:

  • Performance – Our premium products offer exceptional performance in cabin air filter technology
  • Efficiency – Servicing and replacing the air conditioning filter in a car regularly improves system functionality
  • Support – Our easy to use online catalogue and simple installation instructions provide the guidance for a perfect fit!

What you need to know about changing a cabin air filter

Replace your cabin air filter after 15.000 km or every year

Cabin air filter replacement is vital to keeping the air clean inside your vehicle. This is often done as a feature of your regular servicing regime. Cabin air filters should be replaced once a year or every 12,000 miles. To optimize the clean air inside the car and improve the driving experience, check your cabin air filter annually.

How will you know if your cabin air filter needs changing? 

  • Listen out for strange noises. These could be caused by deposits inside the filter
  • Watch for unpleasant smells
  • Poor air flow is a sign of a clogged cabin air filter
  • If your windows fog up frequently and are hard to clear, change your filter
BenefitsADVANCED - CUK
Basic - CU
Eliminates almost 90% of odors 
Traps harmful gases, such as ozone, nitrogen oxides and sulphur dioxide 
Almost 100% filtration of tiny particles
Significant reduction (>95% of diesel soot)
Extends drivers’ concentration period and helps prevent headaches
Protects the air conditioning system