Description

The K&N Filters Engine Air Filter – 11″ OD x 9-1/4″ ID x 4″ H (KNNE-3692) is designed to deliver high airflow while offering excellent filtration efficiency. Engineered with precision dimensions of 11″ outer diameter, 9 1/4″ inner diameter, and 4″ height, this round air filter is ideal for keeping contaminants out of your engine. Whether you’re replacing an old filter or upgrading for better performance, this K&N model ensures durability and engine protection. The K&N Filters Engine Air Filter is a reliable fit for applications requiring a round-style air filter.

Features and Specifications:

Outer Diameter: 11 inches
Inner Diameter: 9 1/4 inches
Height: 4 inches
Shape: Round
Increased Airflow: Up to 50% more airflow than disposable filters for improved power and acceleration.
Easy Install: Pre-oiled and ready to drop into the factory air box—no modifications needed.
Cost Savings: Saves up to $250 over 10 years by eliminating disposable filter purchases.
Eco Benefit: Washable and reusable to reduce waste and environmental impact.
Engine Protection: Advanced filtration blocks harmful contaminants for long-term engine health.
Long Life: Up to 50,000 miles before cleaning under typical highway conditions.
Made in USA: Proudly manufactured in the United States.
Track Proven: Official air filter of NASCAR—race-tested, vehicle-ready.