aFe · New
aFe Magnum FORCE Intake Air Filter w/Pro DRY S 2-3/4IN F x 6IN B x 5-1/2IN T (Inverted) x 8IN
MPN 21-91139 · Store SKU afe21-91139
Supplier stock checked 11/7/2026, 4:49:39 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
With three layers of progressively finer mesh synthetic media between 100% polyurethane top and base, this high flow, "oil-free" conical performance filter provides maximum convenience and easy maintenance with excellent airflow. Washable and reusable for multiple cleanings, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. Pliable polyurethane flange with integrated bumps insures tight, no leak seal over the life of the filter. This filter has a 99.2% filter efficiency. Magnum FORCE Intake Replacement Air Filter w/ Pro DRY S Media 2-3/4 IN F x 6 IN B x 5-1/2 IN T (Inverted) x 8 IN H Magnum FORCE Intake Replacement Air Filter w/ Pro DRY S Media
Manufacturer fitment & guides
Check 21-91139 against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
