420950820 Valve Cover Gasket for Sea-Doo GTR-X 300 1630 2024-2026

Valve Cover Gasket for Sea-Doo

This valve cover gasket for Sea-Doo watercraft seals the valve cover to the cylinder head on 1630 engines, referencing OEM part number 420950820.

Overview

This valve cover gasket is a replacement sealing component for Sea-Doo personal watercraft. It keeps oil sealed inside the top end while blocking dirt and moisture from entering the engine. A practical choice for riders servicing their own craft.

Built For Performance

• Direct replacement for OEM part number 420950820
• Made to withstand oil, heat, and engine vibration
• Precision cut for a clean fit against the valve cover surface
• Helps stop oil seepage and maintain proper engine sealing
• Straightforward install during top-end service

Fits These Machines

• for Sea-Doo GTR-X 300 1630

On-The-Job Use

• Valve cover gasket replacement when leaks appear
• Top-end engine service on 1630-powered watercraft
• Pre-season maintenance before hitting the water
• 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: Watch for oil weeping around the valve cover, a burning oil smell, or residue 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.