420950820 Valve Cover Gasket for Sea-Doo Base 16-170 1630 2026

Valve Cover Gasket for Sea-Doo

This valve cover gasket for Sea-Doo replaces OEM part 420950820 to seal the valve cover to the cylinder head and 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 in Base 16-170 models. It seals the joint between the valve cover and cylinder head, keeping oil contained and protecting the engine from leaks that can lead to performance loss. It is intended for riders and mechanics performing routine maintenance or top-end service.

Built For Performance

• Precision-cut to match the valve cover mating surface on 1630 engines
• Oil-resistant material designed to hold up under constant heat cycling
• Cross-references OEM part 420950820 for straightforward replacement
• Seals the valve cover to cylinder head joint to prevent oil leaks
• Suited for routine top-end service and gasket replacement

Fits These Machines

• for Sea-Doo Base 16-170 1630, 2026

On-The-Job Use

• Valve cover resealing during top-end maintenance
• Leak repair on the 1630 engine valve cover joint
• Routine gasket replacement after heat cycling or disassembly

Specs At A Glance

Good To Know

Q: Does this gasket come as a single piece? A: Yes, this valve cover gasket is supplied as one piece for the 1630 engine valve cover joint.

Q: Does the OEM number in the title match my part? A: This gasket cross-references OEM 420950820, so compare that number to your existing part before ordering.

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