K&N Engineering · New
K&N Universal Air Filter - Oval Straight - 3.688in Flange ID x 10.25in Base O/S Length x 7.875in H
MPN RC-5178 · Store SKU knnRC-5178
Supplier stock checked 11/7/2026, 4:35:30 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
K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. This universal air filter has a rigid flange for a clamp-on hose connection. K&N universal air filters are washable and reusable. K&N's Universal Air Filters are designed and manufactured for a wide variety of applications. This universal air filter has a rigid flange for a clamp-on hose connection. K&N universal air filters are washable and reusable. 3-11/16in.FLG; 10in. X 7in.B; 9in. X 5-3/8in.T; 7-7/8in.H W/STUD Oval Universal Air Filter
Manufacturer fitment & guides
Check RC-5178 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