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

Description

The K&N Engineering YA-4504 off-road replacement air filter is designed to deliver high performance and reliable filtration for Yamaha YFZ450 models from 2004 to 2009. Constructed with multiple layers of woven cotton gauze media, this filter offers excellent airflow to enhance horsepower and acceleration without requiring fuel management modifications. Its pleated design provides a large filtration surface, enabling longer service intervals and sustained engine protection in dusty and dirty off-road conditions. The filter fits directly into the OEM air box using an application-specific sealing bead, ensuring a precise and secure fit. This reusable and washable filter is pre-oiled and ready to install, allowing for quick maintenance and consistent performance across various riding environments. With a one-year limited warranty, the K&N YA-4504 is ideal for motocross, ATV, UTV, and side-by-side applications where clean carburetion and high airflow are critical for optimal engine performance.

Features:

• Designed to increase horsepower and acceleration specifically 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 extended service intervals

• No fuel management modifications required for increased performance

• Multiple layers of woven cotton gauze media offer excellent filtration

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

• Includes a one-year limited warranty

Fitment:
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 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