
QuadBoss · Clearance
QuadBoss Yamaha YFM450 Grizzly/YFZ450 Fuel Tap Kit
MPN 420578 · Store SKU qbs420578
Supplier stock checked 11/7/2026, 4:07:22 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
Kit includes all face screws, tank bolts, face gasket, tank gasket, diaphragm, O-rings, wave washer, and miscellaneous components necessary to rebuild on fuel tap. Non-rebuildable, riveted Honda specific kits include special drill and self-tapping screws along with instructions for easy and inexpensive rebuild. QuadBoss 420578 Fuel Line Petcock/Tap Rebuild Kit
Manufacturer fitment & guides
Check 420578 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.