Universal air filter details
K&N Filters Universal Air Filter – 2-3/8" FLG x 5-3/16" B x 3-1/2" T x 4-11/32" H (KNNRU-8490)
The K&N Filters Universal Air Filter – 2-3/8" FLG x 5-3/16" B x 3-1/2" T x 4-11/32" H (KNNRU-8490) is engineered to provide reliable filtration for a wide range of engines and machinery. Designed with exact flange and dimension specifications, this universal air filter ensures a tight fit and optimal airflow. It is suitable for automotive, industrial, and mechanical applications where high-quality air filtration is critical. This air filter helps protect your engine from harmful debris, dust, and contaminants, contributing to improved engine performance and longevity. Its durable construction supports extended use under demanding conditions. Ideal for replacement or custom setups, the K&N Filters Universal Air Filter is a dependable choice for maintenance and upgrades.
Features and Specifications:
Flange Inside Diameter: 2-3/8 inches
Flange Length: 0.75 in (19 mm)
Base Outside Diameter: 5-3/16 inches
Top Outside Diameter: 3-1/2 inches
Height: 4-11/32 inches
Flange Type: Offset
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-8490




