K&N Engineering · New
K&N Filter 3/4 inch Flange 2 inch OD 2 1/2 inch Height
MPN RU-3630 · Store SKU knnRU-3630
Supplier stock checked 11/7/2026, 12:35:17 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
K&N Rubber Base Crankcase Vent Filters are designed to clamp directly to metal or plastic tubing. Ideal for engines, transmissions, oil or gas tanks on racing vehicles. Note: Legal in California only for racing vehicles which may never be used, registered, or licensed for use upon a highway. See knfilters.com for CARB status on each part for a specific vehicle. K&N Rubber Base Crankcase Vent Filters are designed to clamp directly to metal or plastic tubing. Ideal for engines, transmissions, oil or gas tanks on racing vehicles. Universal Clamp-On Air Filter 3/4in.FLG; 2in.OD; 2-1/2in.H
Manufacturer fitment & guides
Check RU-3630 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
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