The K&N E-4284 replacement air filter is constructed with layers of woven cotton for outstanding filtration and low air restriction to help your engine run more efficiently. This air filter can be washed and reused. The E-4284 is easy to install andis custom designed to fit right into the factory air box of some Wisconsin/Robin engines, as well as other applications.

Warranty Information

K&N Warranty Info (PDF)

Ratings & Reviews

Be the first to write a review.

Questions & Answers

Be the first to ask a question.