420950820 Valve Cover Gasket for Sea-Doo Cruise 18-100 1630 2022

Valve Cover Gasket for Sea-Doo

This valve cover gasket for Sea-Doo seals the valve cover to the cylinder head, preventing oil seepage on 1630 engine applications, and cross-references OEM number 420950820.

Overview

This valve cover gasket for Sea-Doo is a direct-fit sealing component designed to keep oil contained where the valve cover meets the cylinder head. It helps maintain proper oil pressure and prevents leaks that can lead to engine bay contamination and oil loss. Suitable for riders and mechanics performing routine top-end service on their personal watercraft.

Built For Performance

• Precision-cut to match the valve cover mating surface for a consistent seal
• Constructed from oil-resistant gasket material
• Cross-references OEM part number 420950820
• Compresses evenly to seal against oil seepage under heat cycling
• Direct replacement for worn or leaking factory gaskets

Fits These Machines

• for Sea-Doo models equipped with the 1630 engine

On-The-Job Use

• Top-end rebuilds and valve cover resealing
• Routine maintenance to stop minor oil leaks
• Post-storage service after winter layup
• Repair work following overheating or gasket failure

Specs At A Glance

Good To Know

Q: How do I know if my valve cover gasket needs replacing? A: Common signs include oil residue around the valve cover, a burning oil smell, and low oil levels between changes. Replacing the gasket restores a clean seal.

Q: Should the gasket be replaced every time the valve cover is removed? A: Yes, best practice is to install a fresh gasket any time the valve cover is taken off. Reusing an old gasket risks leaks and repeat labor.

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