
QuadBoss · Clearance
QuadBoss Polaris 400L/Big Boss/Scrambler/Sportsman/Trail Boss/Xplorer Crankshaft Bearing/Seal Kit
MPN 414078 · Store SKU qbs414078
Supplier stock checked 11/7/2026, 8:48:45 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
Koyo precision crank bearings. Double-lip seals with PTFE contact area tolerates dry start conditions with less crankshaft pin wear. QuadBoss 414078 Engine Crankshaft Bearing & Seal Kit
Manufacturer fitment & guides
Check 414078 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.