420950820 Valve Cover Gasket for Sea-Doo Cruise 21-170 1630 2022-2025

Valve Cover Gasket for Sea-Doo

This valve cover gasket for Sea-Doo, OEM cross-reference 420950820, seals the valve cover to the cylinder head to prevent oil seepage on 1630 engine platforms.

Overview

This valve cover gasket for Sea-Doo is a direct-fit sealing component for the 1630 engine used across the Cruise 21-170 lineup. It creates a tight barrier between the valve cover and cylinder head, keeping oil contained and preventing leaks that can foul the engine bay. Ideal for riders performing routine top-end maintenance or replacing a worn, hardened gasket on their 2022-2025 model.

Built For Performance

• Precision-cut to match the 1630 valve cover mating surface
• Oil-resistant material resists heat cycling and engine vibration
• OEM cross-reference 420950820 for easy part verification
• Reusable sealing design for straightforward installation
• Maintains proper oil pressure by preventing leaks at the valve cover

Fits These Machines

• for Sea-Doo Cruise 21-170 1630, 2022-2025

On-The-Job Use

• Routine top-end service and valve cover removal jobs
• Fixing oil seepage around the valve cover on 1630 engines
• Seasonal maintenance before spring riding
• Rebuild or refresh of the upper engine assembly

Specs At A Glance

Good To Know

Q: How do I know if my valve cover gasket needs replacing? A: Common signs include oil seeping around the valve cover, a burning oil smell, or visible residue on the engine surface. A hardened or cracked gasket should be replaced to prevent further leaks.

Q: Does this gasket require any sealant during installation? A: Most valve cover gaskets install dry and rely on the gasket material to seal properly against the mating surfaces. Always check your service manual for the specific torque sequence and any sealant recommendations.

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