Caterpillar 7W-3920 7W3920 Engine Air Filter

$ 53.06
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  • Availability: In Stock
  • Product Sku: 7W-3920-1Pack
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Standard Efficiency Engine Air Filter - Primary

It pays to choose genuine Cat® Filters to protect the iron that generates your income.

Contamination is your engine’s number one enemy, which is why it’s critical to protect your Cat equipment with genuine Cat Filter Elements. Cat Standard Efficiency Primary Engine Air Filters are your best value for normal duty applications, delivering increased engine protection and preventing equipment downtime.

Offering a long service life and exceptional filtration, Cat Air Filters are also environmentally friendly and cost effective. Designed to the exact specifications of your Cat equipment, genuine Cat Filters are a crucial factor in your machine’s ability to use air efficiently. A clean filter element protects internal mechanisms from being damaged by dirt.

Consistently choosing Cat Air Filters is the best choice to ensure long life and optimum performance of your Cat machinery.

  • Quick serviceability
  • Improved contamination control holds particulates during filter change

Specifications for Cat 7W3920 Air Filter:

Efficiency Rating: Standard Efficiency
Primary vs Secondary: Primary
Seal Type: Axial Seal


Wheel-Type Loader
910E 910F

Backhoe Loader
446B 446

Integrated Toolcarrier

RT100 RT80


AC-DELCO A210C, AIR REFINER 10182, ARM-812, BALDWIN PA1673, BIG A 93378, CARQUEST 87378, CATERPILLAR 1W-0392, 4M-3976, 4M-9378, 4M-9387, 7W-3920, CO-OP PMA-4M9378, COOPERS AZA608, CROSLAND 9588, CUMMINS 253341, DELUXE AF-597, DONALDSON P019167, P138845, P181105, FIAAM FLI6181, FLEETGUARD AF337, FLEETLIFE FA-4M9378, AFR-8337, Fram CA216, GENERAL MOTORS 6421541, GONHER GA1008, GA1008M, HASTINGS AF106, KRALINATOR LA80, LUBER-FINER LAF7531, MOTORCRAFT FA 536, NAPA 2378, NELSON 70254N, PUROLATOR A49378, WGB SA-131, WIX 42378


* All fitment filter part numbers are based on your engine serial number.
* Please confirm with our team if you are unsure this filter will fit your engine.