K&N Filters air filter details
K&N Filters Custom Air Filter – 14" D x 3.063" H (KNNE-3743)
The K&N Filters Custom Air Filter – 14" D x 3.063" H (KNNE-3743) is designed for enthusiasts who demand high-performance airflow in custom applications. This round custom air filter is built to support a wide range of carburetor and throttle body setups, especially where precise fitment is key. With its washable and reusable design, it offers a long-lasting solution for high-flow air filtration. Ideal for engines requiring a 14-inch diameter and 3.063-inch height configuration, it helps improve performance while maintaining engine protection.
Features and Specifications:
Air Filter Material: Cotton Gauze
Inside Diameter: 12 in (305 mm)
Outside Diameter: 14 in (356 mm)
Height: 3.063 in (78 mm)
Weight: 2.4 lb. (1.1 kg)
Increased Horsepower: Enhances engine performance by improving airflow.
Reusable Design: Washable and built to last the lifetime of the vehicle.
High Filtration: Delivers superior airflow while maintaining exceptional contaminant protection.
Factory Fit: Engineered for a direct fit into the original air box.
Long Maintenance Cycle: Requires cleaning only every 50,000 miles under normal highway use.
Emissions Compliant: Legal in all 50 U.S. states.
Product identification
- Brand: K&N Filters
- Model / MPN: KNNE-3743




