420950820 Valve Cover Gasket for Sea-Doo Wake P STD 155 1503 2019

Valve Cover Gasket for Sea-Doo

This valve cover gasket is a direct replacement seal for the 1503 engine, cross-referencing OEM part number 420950820, designed to keep oil contained where the valve cover meets the cylinder head.

Overview

This valve cover gasket for Sea-Doo is a sealing component that fits between the valve cover and the cylinder head on the 1503 engine. It prevents oil seepage and keeps contaminants out of the top end, making it a practical replacement for worn or leaking gaskets. This valve cover gasket suits riders performing routine maintenance on their personal watercraft.

Built For Performance

• Direct cross-reference to OEM part number 420950820
• Constructed to seal the valve cover to cylinder head mating surface
• Resists oil, heat, and vibration typical of marine engine operation
• Helps prevent oil leaks and maintain proper crankcase pressure
• Flexible material compresses evenly for a consistent seal

Fits These Machines

• for Sea-Doo Wake P STD 155 1503, 2019

On-The-Job Use

• Routine top-end maintenance on 1503 engines
• Replacing a weeping or hardened valve cover gasket
• Engine rebuilds and reseal jobs
• Seasonal service before riding season

Specs At A Glance

Good To Know

Q: Does this gasket fit other 1503 engines? A: It is listed for the 2019 Sea-Doo Wake P STD 155 1503, so confirm your model and serial number before ordering. Q: Is sealant required during installation? A: Follow the service manual for your specific engine; some applications call for a light sealant while others rely on the gasket alone.

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