Universal air filter details
K&N Filters Universal Chrome Air Filter – 2-1/8" FLG x 3-1/2" B x 2" T x 4" H – 3 Per Box (KNNRC-1923)
The K&N Filters Universal Chrome Air Filter – 2-1/8" FLG x 3-1/2" B x 2" T x 4" H – 3 Per Box (KNNRC-1923) is designed to improve airflow and filtration efficiency for a range of automotive and industrial applications. Built with a durable chrome top and base, this universal air filter ensures excellent engine protection and a long service life. Featuring a 2-1/8-inch flange, a 3-1/2-inch base diameter, a 2-inch top diameter, and a 4-inch overall height, it fits a variety of setups where space and performance matter. Whether upgrading a custom build, replacing a worn-out filter, or enhancing your engine’s airflow, this high-performance K&N Filters product is a reliable choice.
Features and Specifications:
Flange Inside Diameter: 2-1/8 inches
Base Outside Diameter: 3-1/2 inches
Top Outside Diameter: 2 inches
Height: 4 inches
Engineered Power: Advanced air filter media boosts horsepower, acceleration, and overall engine performance.
4 Layers of Protection: Premium cotton gauze layers, treated with a special tacking agent, trap harmful contaminants for superior filtration.
Rugged Construction: Built with durable materials and modern construction methods for long-lasting reliability.
Long-lasting Cleanliness: Requires cleaning every 75,000 miles (5 years) under normal highway conditions.
Easy Installation: Pre-oiled and ready to install, offering a simple, cost-effective upgrade for improved vehicle performance.
Universal Fitment: Compatible with a wide range of vehicles and applications.
Eco-friendly: Reduces landfill waste by eliminating the need for disposable filters.
Product identification
- Brand: K&N Filters
- Model / MPN: KNNRC-1923




