Description

The K&N Filters Universal Rubber Air Filter – 4″ FLG x 5-3/8″ B x 3-1/2″ T x 6″ H w/Vents (KNNRU-5141) is designed to provide reliable air filtration in a wide range of engine configurations. This universal rubber top filter features a 4-inch flange, 5-3/8 inch base, 3-1/2 inch top, and a 6-inch overall height. Engineered with two 0.400-inch vent connections built into the top, it supports applications that require additional breather ports. This air filter is ideal for both performance and general-purpose use, delivering durability and functionality in demanding conditions. With its universal fit and rugged rubber construction, it ensures secure mounting and long-lasting performance. Whether you’re upgrading or replacing your existing setup, this filter meets the airflow needs of many vehicle types.

Features and Specifications:

Flange Diameter: 4 inches
Base Diameter: 5-3/8 inches
Top Diameter: 3-1/2 inches
Height: 6 inches
Vent Size: Two 0.400-inch vents on the top
Engineered Power: Advanced air filter media enhances horsepower, acceleration, and overall engine performance.
Superior Protection: Two layers of premium cotton gauze with a specialized tacking agent trap harmful contaminants effectively.
Durable Construction: Built with high-quality materials and precision manufacturing for long-lasting performance.
Long Service Life: Under normal highway conditions, it requires cleaning only every 50,000 miles, equivalent to about three years.
Easy Installation: Pre-oiled and ready to use, making it a simple and cost-effective upgrade for better performance.
Versatile Fitment: Designed for compatibility with a wide range of applications.
Eco-Friendly: Reusable design helps reduce landfill waste from disposable filters.
Reliable Warranty: Backed by a 1-year limited warranty for peace of mind.