K&N Engineering E-3770 High-Flow Washable Replacement Air Filter

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product! K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty. Associated products: 99-5000 Filter Care Service Kit Aerosol

• Will not void vehicle warranty
• Million Mile Limited Warranty

Upgrade your vehicle’s intake performance with the K&N Engineering E-3770 High-Flow Air Filter. This washable, reusable filter uses layered, oiled cotton media to improve airflow while capturing contaminants that can harm engine components. Designed as a high-performance replacement for compatible factory air intake systems, it supports improved horsepower potential without requiring major intake modifications.

The K&N E-3770 is engineered for long-term use and can be cleaned, re-oiled, and reused throughout the life of your vehicle. Its drop-in installation is designed to fit the factory air box, making it a practical alternative to disposable paper filters. The filter is backed by K&N’s 10-Year/Million Mile Limited Warranty and is designed not to void the vehicle warranty when properly installed and maintained. For cleaning and reconditioning, use the K&N 99-5000 Filter Care Service Kit Aerosol.

Brief Description: Reusable, high-flow air filter engineered to increase airflow, support horsepower gains, and provide dependable engine protection.

Key Product Specifications & Technical Data:

• Brand: K&N Engineering
• Part Number: E-3770
• Product Type: Automotive high-flow air filter
• Filter Construction: Layered, oiled cotton media
• Service Type: Washable and reusable
• Installation Type: Drop-in replacement for compatible factory air boxes
• Warranty: 10-Year/Million Mile Limited Warranty
• Recommended Service Product: K&N 99-5000 Filter Care Service Kit Aerosol

What’s Included: One K&N Engineering E-3770 washable, reusable high-flow air filter. Verify vehicle application and intake configuration before installation.

Features:

• High-Flow Performance: Layered, oiled cotton media is engineered to improve airflow and support increased horsepower potential.
• Reusable Construction: Washable and re-oilable design can be serviced and reused throughout the life of the vehicle.
• Engine Protection: Captures contaminants while maintaining strong airflow for dependable intake performance.
• Easy Installation: Designed as a drop-in replacement for compatible factory air boxes and will not void the vehicle warranty when properly installed.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1