K&N Engineering · New
K&N Universal Clamp-On Air Filter - 3in Flg 3-1/2in B 3-1/2in T 5-3/4in H
MPN RU-3121HBK · Store SKU knnRU-3121HBK
Supplier stock checked 11/7/2026, 11:24:24 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 Universal Clamp-On Air Filter - 3in Flg 3-1/2in B 3-1/2in T 5-3/4in H
Manufacturer fitment & guides
Check RU-3121HBK 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.