Universal air filter details
K&N Filters Universal Clamp-On Air Filter – 2-3/4" FLG x 4-3/4" B x 3-1/2" T x 5-7/8" H (KNNRU-9310)
The K&N Filters Universal Clamp-On Air Filter – 2-3/4" FLG x 4-3/4" B x 3-1/2" T x 5-7/8" H (KNNRU-9310) is engineered for high airflow and superior performance across a wide range of vehicles and machinery. With a 2.75-inch flange, this filter is ideal for universal applications where a washable, reusable air filter is preferred. Designed with a 4.75-inch base, 3.5-inch top, and a total height of 5.875 inches, this unit fits snugly and efficiently in tight engine bays. The oiled cotton gauze filter media helps increase horsepower and improve engine sound while ensuring long service intervals between cleanings. Whether upgrading a cold air intake or building a custom setup, this clamp-on air filter offers reliable filtration and airflow.
Features and Specifications:
Flange Inside Diameter: 2.75 inches
Base Outside Diameter: 4.75 inches
Top Outside Diameter: 3.5 inches
Overall Height: 5.875 inches
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.
Product identification
- Brand: K&N Filters
- Model / MPN: KNNRU-9310




