The Outerwears Pre-Filter for K&N Ya 4504 is designed to help protect compatible air filters from dirt, sand, dust, and other airborne debris. Its red filter cover adds a distinctive appearance while providing an additional layer of filtration support for off-road and high-performance riding environments. This pre-filter is intended for use with K&N Ya 4504 applications and is identified by manufacturer part number 20-2079-03 and vendor part number 25-5853R.
Built for powersports use, the Outerwears pre-filter helps reduce the amount of larger contaminants reaching the primary air filter. This can help extend service intervals and maintain consistent airflow when riding in dusty, sandy, or muddy conditions. Proper installation and routine inspection are recommended to ensure the cover remains clean, secure, and compatible with the air filter system.
Fitment: Fits 2004-2009 Yamaha YFZ450 models, including 2004 Yamaha YFZ450, 2005 Yamaha YFZ450, 2006 Yamaha YFZ450, 2007 Yamaha YFZ450, 2008 Yamaha YFZ450, and 2009 Yamaha YFZ450. Also fits 2009 and 2015 Yamaha YFZ450R and 2009 and 2015 Yamaha YFZ450R SE models. Verify the existing air filter application and model year before ordering.
The Outerwears Pre-Filter is supplied in red and is made for riders seeking added air filter protection without replacing the complete intake system. Use the manufacturer and vendor part numbers when confirming compatibility: Outerwears 20-2079-03 and 25-5853R.
Features:
- Brand: Outerwears
- Product Type: Air filter pre-filter cover
- Color: Red
- Application: K&N Ya 4504 air filter
- Manufacturer Part Number: 20-2079-03
- Vendor Part Number: 25-5853R
- Fitment: 2004-2009 Yamaha YFZ450
- Fitment: 2009 and 2015 Yamaha YFZ450R
- Fitment: 2009 and 2015 Yamaha YFZ450R SE
- Protection: Helps shield the primary air filter from dust, sand, dirt, and debris
Fitment:
2004 Yamaha YFZ450
2005 Yamaha YFZ450
2006 Yamaha YFZ450
2006 Yamaha YFZ450 Bill Balance Edition
2007 Yamaha YFZ450
2007 Yamaha YFZ450 Bill Balance Edition
2007 Yamaha YFZ450 SE
2008 Yamaha YFZ450
2008 Yamaha YFZ450 SE
2009 Yamaha YFZ450
2009 Yamaha YFZ450R
2009 Yamaha YFZ450R SE
2015 Yamaha YFZ450R
2015 Yamaha YFZ450R SE