K&N Engineering · New
K&N Replacement Industrial Air Filter Round 5.5in ID / 7in OD / 2.25in H
MPN E-4665 · Store SKU knnE-4665
Supplier stock checked 11/7/2026, 4:21:57 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 K&N E-4665 replacement air filter is constructed with an oil-free synthetic media. A tube of grease is provided in the packaging so that there is an airtight fit in case of severe vibrations. The E-4665 provides superior filtration protecting your equipment's engine. This K&N air filter can be cleaned and used again, lasting the life of your equipment. K&N E-4665 is easy to install and will fit into your factory air box. K&N E-4665 fits some John Deere lawnmowers and some Briggs & Stratton lawnmowers, as well as other applications. This K&N synthetic air filter can be cleaned and used again, lasting the life of your equipment. K&N E-4665 is easy to install will fit into your factory air box. Replacement Industrial Air Filter BRIGGS/STRATTON 351400
Manufacturer fitment & guides
Check E-4665 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
