QuadBoss 412778 Rear Caliper Rebuild Kit for Polaris

Upgrade worn or leaking brakes with QuadBoss Caliper Rebuild Kits, which include the rubber seals, boots, and related components needed to rebuild one brake caliper, restoring proper braking performance and lever feel without replacing the entire caliper.

• Restores proper caliper function to help maintain consistent braking performance and lever feel
• Each kit contains all rubber seals and components needed to rebuild one brake caliper
• Model specific design for a precise fit on listed ATV/UTV applications

QuadBoss rear caliper rebuild kit, model 412778, is designed to help restore proper function to a worn or leaking brake caliper without replacing the entire caliper. The kit includes the rubber seals, boots, and related components needed to rebuild one brake caliper, helping support consistent braking performance and lever feel.

This model-specific kit is designed for a precise fit on listed Polaris ATV applications. Fitment includes the 1995–1998 Polaris Magnum 425 2X4 and 4X4, the 1997 Polaris Scrambler 500 4X4, and the 1998 Polaris Big Boss 500 6X6. Verify the vehicle model, year, drivetrain configuration, and part number before ordering.

Manufacturer part number: 412778. Vendor part number: 412778. Brand: QuadBoss.

Features:

• Brand: QuadBoss
• Model: Polaris Big Boss/Magnum/Scrambler / Trail Blazer/Boss / Xplorer Rear Caliper Rebuild Kit
• Part Number: 412778
• Rear caliper rebuild kit designed to help restore proper caliper function
• Includes rubber seals, boots, and related components needed to rebuild one brake caliper
• Model-specific design for a precise fit on listed ATV applications
• Fits 1995–1998 Polaris Magnum 425 2X4 and 4X4 models
• Fits 1997 Polaris Scrambler 500 4X4
• Fits 1998 Polaris Big Boss 500 6X6

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: false
Clearance Item: t
Units Per Sku: 1
Fitment:
1993 Polaris Trail Boss 250 4X4 Base
1994 Polaris 300 2X4 Base
1994 Polaris 300 4X4 Base
1994 Polaris 400L 4X4 Base
1994 Polaris Big Boss 400L 6X6 Base
1994 Polaris Sport 400L Base
1994 Polaris Sportsman 400 4X4 Base
1994 Polaris Trail Blazer 250 Base
1995 Polaris 300 2X4 Base
1995 Polaris 300 4X4 Base
1995 Polaris Big Boss 400L 6X6 Base
1995 Polaris Magnum 425 2X4 Base
1995 Polaris Magnum 425 4X4 Base
1995 Polaris Scrambler 400 4X4 Base
1995 Polaris Sport 400L Base
1995 Polaris Sportsman 400 4X4 Base
1995 Polaris Trail Blazer 250 Base
1995 Polaris Xplorer 400 4X4 Base
1996 Polaris Big Boss 400L 6X6 Base
1996 Polaris Magnum 425 2X4 Base
1996 Polaris Magnum 425 4X4 Base
1996 Polaris Scrambler 400 4X4 Base
1996 Polaris Sport 400L Base
1996 Polaris Sportsman 400 4X4 Base
1996 Polaris Sportsman 500 4X4 Base
1996 Polaris Trail Blazer 250 Base
1996 Polaris Xplorer 300 4X4 Base
1996 Polaris Xplorer 400 4X4 Base
1996 Polaris Xpress 300 Base
1997 Polaris Big Boss 400L 6X6 Base
1997 Polaris Magnum 425 2X4 Base
1997 Polaris Magnum 425 4X4 Base
1997 Polaris Scrambler 400 4X4 Base
1997 Polaris Scrambler 500 4X4 Base
1997 Polaris Sport 400L Base
1997 Polaris Sportsman 500 4X4 Base
1997 Polaris Trail Blazer 250 Base
1997 Polaris Xplorer 300 4X4 Base
1997 Polaris Xplorer 400 4X4 Base
1997 Polaris Xplorer 500 4X4 Base
1997 Polaris Xpress 300 Base
1998 Polaris Big Boss 500 6X6 Base
1998 Polaris Magnum 425 2X4 Base
1998 Polaris Magnum 425 4X4 Base
1998 Polaris Sport 400L Base
1998 Polaris Trail Blazer 250 Base
1998 Polaris Xplorer 300 4X4 Base
1998 Polaris Xplorer 400 4X4 Base
1998 Polaris Xpress 300 Base
1999 Polaris Big Boss 500 6X6 Base
1999 Polaris Xplorer 300 4X4 Base
1999 Polaris Xpress 300 Base