QuadBoss QBS413030 Yamaha YFM250/YFM350/YFM400/450/YFM600 Rear Differential Bearing & Seal Kit

Kit contains all of the bearings and seals required to service an ATV/UTV differential, restoring smooth operation and helping prevent leaks and premature wear under demanding riding conditions.

• Helps restore smooth, quiet differential operation and proper gear support
• Includes all bearings and seals needed to service one differential
• Built to meet or exceed OEM specifications for durability and fit
• Model specific kits for easier installation with no parts hunting

The QuadBoss QBS413030 rear differential bearing and seal kit contains the bearings and seals required to service one ATV/UTV differential. It is designed to help restore smooth, quiet differential operation, provide proper gear support and help prevent leaks and premature wear under demanding riding conditions.

Key Features & Performance Benefits

• Differential Service Kit: Includes the bearings and seals needed to service one differential.
• Smooth Operation: Helps restore smooth, quiet differential performance and proper gear support.
• Leak Prevention: Replacement seals help address leaks during differential service.
• Model-Specific Design: Provides a model-specific kit for easier installation without parts hunting.

Key Product Specifications & Technical Data

• Brand: QuadBoss
• Part Number: QBS413030
• Product Type: Rear differential bearing and seal kit
• Application: ATV/UTV differential service
• Service Coverage: One differential
• Components: Bearings and seals
• Vehicle Family: Yamaha YFM250, YFM350, YFM400, YFM450 and YFM600 applications
• Performance Focus: Smooth operation, gear support, leak prevention and reduced premature wear

What's Included in the Box

One QuadBoss rear differential bearing and seal kit containing the bearings and seals required to service one differential.

Fitment

Fits 2000–2004 Yamaha YFM400 Big Bear 2x4 and 4x4 models.

Fitments:
1999 Yamaha YFM250 Bear Tracker Base
2000 Yamaha YFM250 Bear Tracker Base
2000 Yamaha YFM400 Big Bear 2x4 Base
2000 Yamaha YFM400 Big Bear 4x4 Base
2000 Yamaha YFM400A Kodiak Base
2001 Yamaha YFM250 Bear Tracker Base
2001 Yamaha YFM400 Big Bear 2x4 Base
2001 Yamaha YFM400 Big Bear 4x4 Base
2001 Yamaha YFM400A Kodiak Base
2002 Yamaha YFM250 Bear Tracker Base
2002 Yamaha YFM400 Big Bear 2x4 Base
2002 Yamaha YFM400 Big Bear 4x4 Base
2002 Yamaha YFM400A Kodiak Base
2003 Yamaha YFM250 Bear Tracker Base
2003 Yamaha YFM400 Big Bear 2x4 Base
2003 Yamaha YFM400 Big Bear 4x4 Base
2003 Yamaha YFM400A Kodiak Base
2004 Yamaha YFM250 Bear Tracker Base
2004 Yamaha YFM400 Big Bear 2x4 Base
2004 Yamaha YFM400 Big Bear 4x4 Base
2004 Yamaha YFM400A Kodiak Base
2005 Yamaha YFM250 Bruin Base
2005 Yamaha YFM400 Big Bear 4x4 Base
2006 Yamaha YFM250 Bruin Base
2006 Yamaha YFM350 Wolverine Base
2006 Yamaha YFM400 Big Bear 4x4 Base
2006 Yamaha YFM450FX Wolverine 4x4 Base
2007 Yamaha YFM250 Big Bear Base
2007 Yamaha YFM350 Grizzly 4x4 Auto Base
2007 Yamaha YFM350 Grizzly Auto Base
2007 Yamaha YFM350 Wolverine Base
2007 Yamaha YFM450FX Wolverine 4x4 Base
2008 Yamaha YFM250 Big Bear Base
2008 Yamaha YFM350 Grizzly 4x4 Auto Base
2008 Yamaha YFM350 Grizzly Auto Base
2008 Yamaha YFM350 Wolverine Base
2008 Yamaha YFM450FX Wolverine 4x4 Base
2009 Yamaha YFM250 Big Bear Base
2009 Yamaha YFM350 Grizzly 4x4 Auto Base
2009 Yamaha YFM350 Grizzly Auto Base
2009 Yamaha YFM350 Wolverine Base
2009 Yamaha YFM450FX Wolverine 4x4 Base
2010 Yamaha YFM350 Grizzly 4x4 Auto Base
2010 Yamaha YFM350 Grizzly Auto Base
2011 Yamaha YFM350 Grizzly 4x4 Auto Base
2011 Yamaha YFM350 Grizzly Auto Base
2012 Yamaha YFM350 Grizzly 4x4 Auto Base
2012 Yamaha YFM350 Grizzly Auto Base
2013 Yamaha YFM350 Grizzly 4x4 Auto Base
2013 Yamaha YFM350 Grizzly Auto Base
2014 Yamaha YFM350 Grizzly 4x4 Auto Base
2014 Yamaha YFM350 Grizzly Auto Base

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