K&N Engineering Off-Road Replacement Air Filter for Yamaha YFZ450 (Part YA-4504)

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 Engineering YA-4504 off-road replacement air filter is specifically designed for Yamaha YFZ450 models from 2004 to 2010, ensuring optimal performance in dusty and challenging environments. Constructed with multiple layers of woven cotton gauze media, this filter offers excellent filtration while maintaining high airflow, which promotes increased horsepower and acceleration without the need for jet changes. Its precise fit with an application-specific sealing bead guarantees a secure and airtight seal within the OEM air box, simplifying installation and ensuring reliable operation in off-road conditions. The pleated media provides a large filtration area, extending service intervals and reducing maintenance frequency. This washable and reusable filter arrives pre-oiled and ready to install, allowing for long-term durability and consistent performance across multiple rides. Designed to deliver clean carburetion even at high altitudes, the YA-4504 filter supports off-road enthusiasts in demanding environments without requiring modifications to fuel management systems. Backed by a one-year limited warranty, this product is an ideal upgrade for riders seeking enhanced power, superior filtration, and durable performance in dirt, mud, and dust. Whether for motocross, ATV, UTV, or side-by-side use, the K&N YA-4504 air filter ensures your vehicle maintains peak performance during extended off-road adventures.

Features:

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

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

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

• No modifications to fuel management systems required for performance enhancement

• Multiple layers of woven cotton gauze media offer excellent filtration

• Washable and reusable, pre-oiled and ready to install

• Backed by a one-year limited warranty

Fits
Yamaha YFZ450 Base 2004
Yamaha YFZ450 Base 2005
Yamaha YFZ450 Base 2006
Yamaha YFZ450 Base 2007
Yamaha YFZ450 Base 2008
Yamaha YFZ450 Base 2009
Yamaha YFZ450 Base 2010
Yamaha YFZ450 Base 2011
Yamaha YFZ450 Base 2012
Yamaha YFZ450 Base 2013
Yamaha YFZ450 Base 2014
Yamaha YFZ450 Base 2015
Yamaha YFZ450 Base 2016
Yamaha YFZ450 Base 2017
Yamaha YFZ450 Bill Balance Edition Base 2006
Yamaha YFZ450 Bill Balance Edition Base 2007
Yamaha YFZ450 SE Base 2007
Yamaha YFZ450 SE Base 2008
Yamaha YFZ450R Base 2009
Yamaha YFZ450R Base 2010
Yamaha YFZ450R Base 2011
Yamaha YFZ450R Base 2012
Yamaha YFZ450R Base 2013
Yamaha YFZ450R Base 2014
Yamaha YFZ450R Base 2015
Yamaha YFZ450R Base 2016
Yamaha YFZ450R Base 2017
Yamaha YFZ450R Base 2018
Yamaha YFZ450R Base 2019
Yamaha YFZ450R Base 2020
Yamaha YFZ450R Base 2021
Yamaha YFZ450R Base 2022
Yamaha YFZ450R Base 2023
Yamaha YFZ450R Base 2024
Yamaha YFZ450R Base 2025
Yamaha YFZ450R SE Base 2009
Yamaha YFZ450R SE Base 2010
Yamaha YFZ450R SE Base 2011
Yamaha YFZ450R SE Base 2012
Yamaha YFZ450R SE Base 2013
Yamaha YFZ450R SE Base 2014
Yamaha YFZ450R SE Base 2015
Yamaha YFZ450R SE Base 2016
Yamaha YFZ450R SE Base 2017
Yamaha YFZ450R SE Base 2018
Yamaha YFZ450R SE Base 2020
Yamaha YFZ450R SE Base 2021
Yamaha YFZ450R SE Base 2022
Yamaha YFZ450R SE Base 2023
Yamaha YFZ450R SE Base 2024
Yamaha YFZ450X Base 2010
Yamaha YFZ450X Base 2011
Yamaha YFZ450X Bill Balance Base 2010
Yamaha YFZ450X SE Base 2011