Cometic Gasket · New
Cometic 14-19 Yamaha YZ450F Oil Seal Kit
MPN C3540OS · Store SKU cgsC3540OS
Supplier stock checked 11/7/2026, 5:46:42 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
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
Yamaha 2016+ WR450F, 2014+ YZ450F, 2016+ YZ450FX Oil Seal Kit Complete set of seals to rebuild crankshafts.
Manufacturer fitment & guides
Check C3540OS against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y