
QuadBoss · Clearance
QuadBoss Polaris Big Boss/Magnum/Scrambler / Trail Blazer/Boss / Xplorer Rear Caliper Rebuild Kit
MPN 412778 · Store SKU qbs412778
Supplier stock checked 11/7/2026, 6:42:03 AM UTC. Adding a part does not reserve it.
Clearance and scratch-and-dent parts are final sale. No returns or refunds.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
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. QuadBoss 412778 Brake Caliper Rebuild Kit, Rear, Black
Manufacturer fitment & guides
Check 412778 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Clearance item. All sales are final under the supplier clearance policy.