420950820 Valve Cover Gasket for Sea-Doo GTS 1503 2015

Valve Cover Gasket for Sea-Doo

This valve cover gasket for Sea-Doo watercraft seals the joint between the valve cover and the cylinder head, referencing OEM part number 420950820.

Overview

This valve cover gasket is a replacement sealing component for Sea-Doo personal watercraft. It creates a tight barrier that keeps oil contained inside the engine and keeps dirt and moisture out. Ideal for riders performing routine top-end maintenance on their own machine.

Built For Performance

• Direct replacement for OEM part number 420950820
• Constructed to resist oil, heat, and constant engine vibration
• Precision cut to match the valve cover mating surface
• Helps prevent oil seepage and maintain proper crankcase sealing
• Simple install during valve cover removal or top-end service

Fits These Machines

• for Sea-Doo GTS 1503

On-The-Job Use

• Routine valve cover gasket replacement after oil leaks appear
• Top-end engine service on 1503-powered watercraft
• Seasonal maintenance before launching the craft
• Rebuilds where the valve cover has been removed

Specs At A Glance

Good To Know

Q: How do I know if my valve cover gasket needs replacing? A: Common signs include oil weeping around the valve cover, a burning oil smell, or visible residue buildup along the head seam. Replacing it during top-end service is the simplest way to prevent leaks.

Q: Is this an original Sea-Doo part? A: No, this is an aftermarket valve cover gasket made to reference OEM part number 420950820. It is designed for Sea-Doo watercraft but is not produced by the original manufacturer.

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