420950820 Valve Cover Gasket for Sea-Doo Sport 18-230 1630 2022-2025

Valve Cover Gasket for Sea-Doo

This valve cover gasket seals the valve cover to the cylinder head on 1630 engine applications, replacing OEM part 420950820 to prevent oil seepage and maintain proper crankcase sealing.

Overview

This valve cover gasket is a direct replacement sealing component for 1630 engine applications. It keeps oil contained at the valve cover mating surface and helps maintain proper engine sealing under normal operating conditions. Designed for riders and mechanics servicing their own watercraft, this gasket offers a reliable seal for routine maintenance.

Built For Performance

• Precision-cut to match the valve cover mating surface for a consistent seal
• Constructed from oil-resistant gasket material for long service life
• Replaces OEM part number 420950820
• Resists heat and oil exposure common to marine engine environments
• Direct-fit design for straightforward installation

Fits These Machines

• for Sea-Doo Sport 18-230 1630, 2022-2025

On-The-Job Use

• Routine valve cover resealing during engine maintenance
• Oil leak repair at the valve cover mating surface
• Top-end service on 1630 marine engines
• Seasonal tune-ups and gasket replacement

Specs At A Glance

Good To Know

Q: Does this gasket require sealant during installation? A: Most valve cover gaskets install dry, but always follow your service manual for the specific torque sequence and any sealant recommendations.

Q: How do I know if my valve cover gasket needs replacing? A: Common signs include oil weeping around the valve cover edges or visible gasket deterioration, which usually points to a worn seal.

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