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VF4000 K&N Cabin Air Filter

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Cabin Air Filter
K&N® washable cabin air filters are engineered to fit directly into your factory air box, offering excellent protection from environmental contaminants and odor-causing particles. The thermally bonded high-flow synthetic material acts as a physical barrier, helping trap dust, pollen, mold, bacteria, fungi, and other pollutants, and is specially pleated to increase the contaminant-capturing surface area. Each filter is engineered to install easily into your factory cabin air box, and is designed to be easily washed and reinstalled whenever necessary. Buy with confidence under the K&N® 10-Year/Million Mile Limited Warranty™.
  • Electrostatically charged to capture most mold, mildew, pollen, spores, fungi, dust, germs, and other contaminants
  • Washable and easy to clean and reuse
  • Engineered to last for the life of your vehicle
  • Specially designed filter media is pleated to increase contaminant-capturing surface area
  • Specially treated to help capture contaminants that cause odors
  • Pre-treated and ready to install
  • Fits directly into your factory cabin air box
  • 10-Year/Million Mile Limited Warranty™
Length12.438 in (316 mm)
Width6.688 in (170 mm)
Height1.125 in (29 mm)
Material UsedPolyethylene
Filter MaterialNon-woven Synthetic
Package Contents1 Cabin Filter
Filter Quantity1
Warranty1,000,000 Miles/10 Year
Product StyleCabin Filters
Weight1.1 lb (0.5 kg)
Product Box Height13.5 in (343 mm)
Product Box Length7.75 in (197 mm)
Product Box Width1.75 in (44 mm)
Cross References
1A First C302382
1A First K302382
3F Quality 1585
Acr Equipment 321585
BMW 64316913505
BMW 64316913506
BMW 64316935822
BMW 64316935823
BMW 64319174370
BMW 64319174372
Bosch 1987432102
Bosch BSC3672WS
Clean NC2138
Comline EKF158
Coopers PCK81682
Corteco 21653063
Denckermann M110675
Febi-Bilstein 22069
Fiaam PCK81682
Fram CFA101032
Fram FFCF10733
Hengst E1909LI
Hengst E2963LI
JP Group 1428102700
Knecht LA197
Magneti Marelli 3502030626200
Mahle LA197
Mann-Hummel CU3139
Mann-Hummel FP3139
Mapco 65619
Mecafilter JLR7161
Meyle 3123190007S
MicroGard 3100
Muller FC238
Muller FK238
Open Parts CAF209802
Purflux AHC219
Ryco RCA169
Sofima S3228C
Swag 30922069
Technocar EC4202
Topran 500647
Trucktec 0859067
UFI 5322800
Valeo 698863
Vemo V203010091
Wesfil WACF0082
WIX 49374
Zaffo Z501
DIY Level

Advanced Moderate Easy

Tools Typically Needed


Installation Time

10-20 Minutes


Installation PDF

Installation Instruction Sheet

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K&N is the home of the original red oiled air filter. In the early 1960s, two motorcycle racers, Ken Johnson and Norm McDonald (K&N), developed a ground-breaking new idea for an oiled air filter. Five decades later, K&N® is still innovating industry-leading filtration technology, and offers outstanding protection for everything from top-fuel dragsters to commuter vehicles across the globe. Thank you for helping us reach 50 years in business!

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