420950820 Valve Cover Gasket for Sea-Doo RXP 155 1503 2008

Valve Cover Gasket for Sea-Doo RXP 155 1503

This valve cover gasket seals the valve cover to the cylinder head on the 1503 engine, replacing OEM part number 420950820 to keep oil contained and the top end sealed.

Overview

This valve cover gasket is a direct-fit sealing component for the 1503 engine used in Sea-Doo watercraft, matching OEM reference 420950820. The gasket seats between the valve cover and cylinder head to prevent oil seepage and keep the top end sealed under operating pressure. It is intended for riders and mechanics servicing a Sea-Doo RXP 155 1503 valve cover.

Built For Performance

• Direct replacement for OEM part number 420950820
• Seals the valve cover to the cylinder head mating surface
• Resists oil, heat, and repeated engine thermal cycling
• Helps prevent oil weeping and seepage at the top end
• Pre-formed shape for straightforward installation

Fits These Machines

• for Sea-Doo RXP 155 1503

On-The-Job Use

• Valve cover resealing during top end service
• Routine gasket replacement on the 1503 engine
• Oil leak repair at the valve cover
• Rebuild and refresh work on Sea-Doo watercraft

Specs At A Glance

Good To Know

Q: Does this gasket replace my original valve cover gasket? A: Yes, it is made to replace the valve cover gasket on the 1503 engine and matches OEM reference 420950820. Confirm your engine code and part number before ordering.

Q: Can I reuse this gasket after removing the valve cover? A: A valve cover gasket is normally replaced once the cover is removed rather than reused. Fresh sealing material helps prevent leaks after reassembly.

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