420950772 Head Gasket for Sea-Doo RXT IS 260 1503 2010-2012

Head Gasket for Sea-Doo RXT IS 260 1503

This head gasket, OEM cross-reference 420950772, seals the cylinder head to the engine block on the Sea-Doo RXT IS 260 1503, keeping combustion pressure and coolant where they belong.

Overview

This head gasket is a direct-fit sealing component for the Sea-Doo RXT IS 260 1503 watercraft. It seals the junction between the cylinder head and block, maintaining compression and preventing coolant or oil leaks. It suits riders and mechanics performing top-end rebuilds or routine gasket replacement.

Built For Performance

• Precision-cut to match the 1503 engine cylinder head profile
• OEM cross-reference 420950772 for confident matching
• Seals combustion pressure at the head-to-block junction
• Withstands the heat cycles of marine engine operation
• Prevents coolant and oil seepage at the mating surface

Fits These Machines

• for Sea-Doo RXT IS 260 1503, 2010-2012

On-The-Job Use

• Top-end rebuilds on the 1503 engine
• Routine head gasket replacement after overheating
• Compression restoration on high-hour watercraft

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: This is an aftermarket head gasket that cross-references OEM number 420950772. It is not an original brand product.

Q: Should I replace head bolts at the same time? A: Many mechanics recommend new head bolts when replacing a head gasket on the 1503 engine. Follow the manufacturer torque sequence during installation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.