K&N Engineering · New
K&N Universal Air Filter - Round Tapered 3.5in Flange ID / 5.5in Base OD / 4.5in Top OD / 6.5in H
MPN RP-4630 · Store SKU knnRP-4630
Supplier stock checked 11/7/2026, 1:45:46 PM 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
The RP-4630 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a K&N embossed carbon fiber top for strength and durability. The carbon fiber element adds to the light-weight design and gives this filter a smooth glass like finish. The RP-4630 is a clamp-on filter that has an inside flange diameter of 3-1/2 inches and a flange length of 1-1/4 inches. The base diameter is 5-1/2 inches, the top diameter is 4-1/2 inches and the filter height is 6-1/2 inches. Regardless of the angle or offset diameter of an air intake, there is probably a K&N Universal air filter for your equipment. K&N universal air filters are washable and reusable. 3-1/2in.FLG; 5-1/2in.B; 4-1/2in.T; 6-1/2in.H Universal Air Filter - Carbon Fiber Top Universal Air Filter-Carbon Fiber Top
Manufacturer fitment & guides
Check RP-4630 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
