K&N Engineering YA-6504 High-Flow Replacement Air Filter for Yamaha Rhino 660 and 450

The K&N High-Flow Air Filter for SxS / ATV, UTV is engineered to increase airflow for improved horsepower, acceleration, and throttle response while protecting your engine. Built with premium oiled cotton gauze, this washable and reusable air filter offers a precision OEM-style fit and rugged construction for long-lasting performance on the trail, in the dunes, or on the job. The K&N High-Flow Air Filter for SxS / ATV, UTV is engineered to increase airflow for improved horsepower, acceleration, and throttle response while protecting your engine. Associated products: 99-5000 Filter Care Service Kit Aerosol

• Designed to provide increased horsepower and acceleration specifically developed for Off-Road, Motocross, ATVs, UTVs and Side by Sides
• BUILT FOR DURABILITY: High dust holding capacity and rugged construction designed to perform in demanding driving conditions.
• 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

Brief Description: The K&N Engineering YA-6504 High-Flow Air Filter is a washable and reusable replacement filter designed for select Yamaha Rhino 660 and Rhino 450 side-by-side vehicles. Its premium oiled cotton gauze media is engineered to increase airflow while helping protect the engine from dirt and dust encountered on trails, in dunes, and during demanding utility use.

Key Features and Performance Benefits:

• High-Flow Performance: Supports improved horsepower, acceleration, and throttle response without requiring fuel-management modifications.
• Durable Filtration: Multiple layers of woven cotton gauze provide effective filtration and high dust-holding capacity.
• OEM-Style Fit: Installs directly into the factory air box with an application-specific sealing bead for a precise fit.
• Washable and Reusable: Can be cleaned and serviced for long-term use; most filters are pre-oiled and ready to install.

Product Specifications and Technical Data:

• Brand: K&N Engineering
• Part Number: YA-6504
• Product Type: Replacement powersports air filter
• Filter Media: Oiled cotton gauze
• Service Type: Washable and reusable
• Installation: Direct replacement for the OEM air filter
• Warranty: One-year limited warranty
• Maintenance Product: Compatible with K&N 99-5000 Filter Care Service Kit Aerosol

What's Included: One K&N Engineering YA-6504 high-flow replacement air filter. Filter care products are sold separately.

Fitment: Fits select 2004–2007 Yamaha YXR660 Rhino models, including the Rhino 660, Ducks Unlimited, Exploring Edition, Special Edition, and Sport Edition. This filter also fits select 2006–2009 Yamaha YXR450 Rhino applications. Verify the vehicle year, model, and original air-filter configuration before installation.

Fitments:
2004 Yamaha YXR66F Rhino 660 Base
2005 Yamaha YXR66F Rhino 660 Base
2006 Yamaha YXR45F Rhino 450 Base
2006 Yamaha YXR66F Rhino 660 Base
2006 Yamaha YXR66F Rhino 660 Exploring Edition Base
2006 Yamaha YXR66F Rhino 660 Special Edition Base
2007 Yamaha YXR45F Rhino 450 Base
2007 Yamaha YXR45F Rhino 450 Special Edition Base
2007 Yamaha YXR66F Rhino 660 Base
2007 Yamaha YXR66F Rhino 660 Ducks Unlimited Base
2007 Yamaha YXR66F Rhino 660 Exploring Edition Base
2007 Yamaha YXR66F Rhino 660 Special Edition Base
2007 Yamaha YXR66F Rhino 660 Sport Edition Base
2008 Yamaha YXR45F Rhino 450 Base
2008 Yamaha YXR45F Rhino 450 Special Edition Base
2009 Yamaha YXR45F Rhino 450 Base

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