K&N Engineering Part HA-4207 Off-Road Replacement Air Filter for Honda TRX420 Rancher (2007-2009)

K&N off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with just a K&N filter element. K&N replacement air filters are washable and reusable and provide high air-flow with excellent filtration. K&N Replacement Air Filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. K&N air filters are washable and reusable and provide high air-flow with excellent filtration.

• Designed to provide increased horsepower and acceleration specifically developed for Off-Road, Motocross, ATVs, UTVs and Side by Sides
• Fits directly into OEM air box with application specific sealing bead ensuring a precise fit
• Pleated media provides a large filtration area offering long service intervals
• No fuel management modifications are required to obtain increased performance
• Multiple layers of woven cotton gauze media offers excellent filtration
• Washable & reusable, most are pre-oiled and ready to ride
• One Year Limited Warranty

The K&N HA-4207 Replacement Air Filter is engineered specifically for off-road riding enthusiasts seeking reliable performance in dusty and dirty conditions. Designed for Honda TRX420 Rancher models from 2007 to 2009, this filter ensures clean carburetion even at high altitudes, maintaining optimal engine performance. Its direct fit into the OEM air box features an application-specific sealing bead that guarantees a precise and secure fit, preventing unfiltered air from bypassing the filter media. The pleated design provides a large filtration surface area, which extends service intervals and reduces maintenance frequency. Made from multiple layers of woven cotton gauze media, this filter offers excellent filtration efficiency while maximizing airflow, a critical factor for off-road applications. Since it is washable and reusable, most units come pre-oiled and ready to install, allowing for long-term durability and cost savings. The HA-4207 is a proven upgrade for riders looking to increase horsepower and acceleration without the need for fuel management modifications, making it an ideal choice for motocross, ATV, UTV, and side-by-side applications. Backed by a one-year limited warranty, this filter combines high performance with environmental responsibility, as it does not require disposal after each use and can be cleaned and reused multiple times.

Features:

• Designed to provide increased horsepower and acceleration specifically developed for off-road, motocross, ATVs, UTVs, and side-by-sides

• Fits directly into OEM air box with application-specific sealing bead ensuring a precise fit

• Pleated media provides a large filtration area offering long service intervals

• No fuel management modifications are required to obtain increased performance

• Multiple layers of woven cotton gauze media offers excellent filtration

• Washable and reusable, most are pre-oiled and ready to ride

• One-year limited warranty