This QuadBoss 414078 crankshaft bearing and seal kit is designed specifically for Polaris powersports models, including the 1994-1998 Polaris Sport 400L and Big Boss 400L 6X6. These bearings feature precision engineering to ensure smooth engine operation and durability under demanding conditions. The kit includes double-lip seals with PTFE contact areas, providing excellent resistance to dry start conditions and reducing crankshaft pin wear, which enhances engine longevity and performance.
The bearings are constructed to meet high standards of quality and reliability, ensuring they can withstand the rigors of off-road riding. Installation of these components restores engine efficiency and helps maintain proper lubrication and sealing within the crankshaft assembly. Whether you're performing maintenance or a rebuild, these parts are essential for optimal engine function.
Engineered by QuadBoss, these parts are compatible with multiple Polaris models from the mid-1990s, making them a versatile and reliable choice for enthusiasts and mechanics. Their precision fit and high-quality materials make them a trusted option for those seeking to preserve the performance and durability of their powersports vehicle. Make sure to check compatibility with your specific model to ensure proper fitment and optimal performance.

Features:

• Designed for Polaris 400L models from 1994 to 1998

• Includes crankshaft bearings and seals for complete repair

• Double-lip seals with PTFE contact area for enhanced dry start resistance

• Reduces crankshaft pin wear and extends engine life

• High-precision components engineered for durability and reliable performance

Fitment:
1994 Polaris 400L 2X4 Base
1994 Polaris 400L 4X4 Base
1994 Polaris Big Boss 400L 6X6 Base
1994 Polaris Sport 400L Base
1995 Polaris 400L 2X4 Base
1995 Polaris Big Boss 400L 6X6 Base
1995 Polaris Scrambler 400 4X4 Base
1995 Polaris Sport 400L Base
1996 Polaris Big Boss 400L 6X6 Base
1996 Polaris Scrambler 400 4X4 Base
1996 Polaris Sport 400L Base
1997 Polaris Big Boss 400L 6X6 Base
1997 Polaris Scrambler 400 4X4 Base
1997 Polaris Sport 400L Base
1998 Polaris Scrambler 400 4X4 Base
1998 Polaris Sport 400L Base
1999 Polaris Scrambler 400 4X4 Base
1999 Polaris Sport 400L Base
2000 Polaris Scrambler 400 2X4 Base
2000 Polaris Scrambler 400 4X4 Base
2001 Polaris Scrambler 400 2X4 Base
2001 Polaris Scrambler 400 4X4 Base
2002 Polaris Scrambler 400 2X4 Base
2002 Polaris Scrambler 400 4X4 Base
2002 Polaris Xplorer 400L Base
2003 Polaris Trail Blazer 400 Base