Air and Fuel› Air Cleaners, Filters, Intakes and Components

Dieselsite

DIESELSITE 4 Inlet Washable Air Filter [Black] -AF4-BLK

$105.73

SKU: D03C AF4-BLK

In Stock
In Stock
Ships by Jun 14
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Dieselsite AF4-BLK is a universal black air filter featuring a 4-inch inlet designed for easy retrofitting onto open air intake kits and DIY units. This filter is the largest open-air replacement available from Dieselsite. It is pre-oiled and washable, with an inverted filter on the end cap to maximize surface area.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDieselsite
Part NumberD03C AF4-BLK

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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