Description

The K&N Filters Universal Air Filter – 5-3/8″ FLG x 6-3/4″ OD x 5-1/8″ H (KNNRU-5123) is a high-performance replacement filter engineered for a wide range of automotive applications. Designed to improve airflow and filtration, this universal air filter fits securely onto intakes with a 5 3/8″ inner diameter. Its 6 3/4″ outer diameter and 5 1/8″ height offer an ideal balance of flow and fitment. Constructed using K&N’s signature oiled cotton gauze, this filter is both washable and reusable, making it a smart long-term investment for any vehicle setup that demands both filtration and performance.

Features and Specifications:

Flange Inside Diameter: 5-3/8-inch
Flange Length: 0.938-inch
Outside Diameter: 6-3/4-inch
Height: 5-1/8-inch
Engineered Power: Advanced air filter media enhances horsepower, acceleration, and overall engine performance.
Superior Protection: Four 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 75,000 miles, equivalent to about five 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.