K&N Engineering YA-4350 High-Flow Air Filter for Yamaha Warrior, Wolverine, and Grizzly

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: YA-4350PK Air Filter Wrap, 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

The K&N Engineering YA-4350 High-Flow Air Filter is designed for select Yamaha ATVs, including the YFM350X Warrior, YFM350FX Wolverine, and YFM600 Grizzly. Its high-flow design helps improve airflow to support stronger horsepower, acceleration, and throttle response while helping protect the engine from dirt and debris. The filter installs directly into the factory air box for an application-specific fit and reliable sealing.

Built with multiple layers of washable, reusable oiled cotton gauze, the K&N Engineering YA-4350 provides a large filtration area and high dust-holding capacity for demanding off-road use. Pleated filter media supports extended service intervals, while the rugged construction is suited for trails, dunes, motocross, utility work, and other challenging riding environments. Most filters arrive pre-oiled and ready to install, and no fuel-management modifications are required to obtain the intended performance benefits.

The K&N Engineering YA-4350 is serviceable rather than disposable, helping reduce replacement waste and long-term maintenance costs. For additional protection in dusty environments, it is compatible with the associated YA-4350PK Air Filter Wrap. K&N recommends the 99-5000 Filter Care Service Kit Aerosol for cleaning and maintaining the filter. This product is covered by a one-year limited warranty. Fitment includes the 1987–1995 Yamaha YFM350X Warrior, 1995 Yamaha YFM350F Wolverine 4x4, and select Yamaha YFM350FX Wolverine and YFM600 Grizzly applications through the listed model years.

What's Included

• One K&N Engineering YA-4350 washable high-flow air filter

Features:

• Increased airflow: Designed to support improved horsepower, acceleration, and throttle response on compatible Yamaha ATVs.
• Rugged off-road construction: High dust-holding capacity and durable materials help the filter perform in demanding riding and working conditions.
• OEM-style fit: Installs directly into the factory air box with an application-specific sealing bead for a precise fit.
• Washable and reusable media: Multiple layers of oiled cotton gauze and pleated media provide effective filtration, extended service intervals, and convenient serviceability.

Fitments:
1987 Yamaha YFM350X Warrior Base
1988 Yamaha YFM350X Warrior Base
1989 Yamaha YFM350X Warrior Base
1990 Yamaha YFM350X Warrior Base
1991 Yamaha YFM350X Warrior Base
1992 Yamaha YFM350X Warrior Base
1993 Yamaha YFM350X Warrior Base
1994 Yamaha YFM350X Warrior Base
1995 Yamaha YFM350F Wolverine 4x4 Base
1995 Yamaha YFM350X Warrior Base
1996 Yamaha YFM350F Wolverine 4x4 Base
1996 Yamaha YFM350X Warrior Base
1997 Yamaha YFM350F Wolverine 4x4 Base
1997 Yamaha YFM350X Warrior Base
1998 Yamaha YFM350F Wolverine 4x4 Base
1998 Yamaha YFM350X Warrior Base
1998 Yamaha YFM600FW Grizzly 4x4 Base
1999 Yamaha YFM350F Wolverine 4x4 Base
1999 Yamaha YFM350X Warrior Base
1999 Yamaha YFM600FW Grizzly 4x4 Base
2000 Yamaha YFM350F Wolverine 4x4 Base
2000 Yamaha YFM350X Warrior Base
2000 Yamaha YFM600FW Grizzly 4x4 Base
2001 Yamaha YFM350F Wolverine 4x4 Base
2001 Yamaha YFM350X Warrior Base
2001 Yamaha YFM600FW Grizzly 4x4 Base
2002 Yamaha YFM350F Wolverine 4x4 Base
2002 Yamaha YFM350X Warrior Base
2003 Yamaha YFM350F Wolverine 4x4 Base
2003 Yamaha YFM350X Warrior Base
2004 Yamaha YFM350F Wolverine 4x4 Base
2004 Yamaha YFM350X Warrior Base
2005 Yamaha YFM350F Wolverine 4x4 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