420950820 Valve Cover Gasket for Sea-Doo GTS Pro 130 1503 2011

Valve Cover Gasket for Sea-Doo

This valve cover gasket for Sea-Doo replaces OEM part 420950820 to seal the valve cover mating surface on 1503 engines, keeping oil contained and preventing leaks.

Overview

This valve cover gasket for Sea-Doo is a direct-fit sealing component for the 1503 engine found in GTS Pro 130 models from 2011. It seals the gap between the valve cover and cylinder head, preventing oil seepage and maintaining proper crankcase pressure. This gasket suits riders performing routine top-end maintenance or replacing a worn, leaking seal.

Built For Performance

• Direct replacement for OEM part number 420950820
• Seals the valve cover to cylinder head mating surface
• Resists oil, heat, and vibration common in marine engines
• Preformed shape for straightforward installation
• Compatible with 1503 engine platform

Fits These Machines

• for Sea-Doo GTS Pro 130 1503, 2011

On-The-Job Use

• Routine top-end maintenance on 1503 engines
• Replacing a leaking or hardened valve cover gasket
• Engine rebuilds and reseal jobs
• Seasonal pre-ride inspection and service

Specs At A Glance

Good To Know

Q: How do I know if my valve cover gasket needs replacing? A: Look for oil residue around the valve cover seam or a burning oil smell after rides. A hardened or visibly compressed gasket is a clear sign it should be replaced.

Q: Does this gasket require sealant during installation? A: Most valve cover gaskets of this type install dry, but always check your service manual for the specific torque sequence and any recommended sealant points at corners.

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