420950820 Valve Cover Gasket for Sea-Doo GTX S 1503 2016

Valve Cover Gasket for Sea-Doo

This valve cover gasket for Sea-Doo seals the valve cover to the cylinder head, replacing OEM part 420950820 to keep oil contained and prevent leaks on your watercraft engine.

Overview

This valve cover gasket for Sea-Doo is a direct-fit sealing component made to replace the original gasket on the 1503 engine. It creates a reliable seal between the valve cover and cylinder head, keeping oil where it belongs and protecting the top end from contamination. Ideal for riders performing routine maintenance or repairing a leaking valve cover on their Sea-Doo GTX S.

Built For Performance

• Precision-cut to match OEM part 420950820 for a direct fit
• Constructed from oil-resistant material for long service life
• Seals the valve cover to prevent oil seepage and loss
• Withstands the heat cycling typical of marine engine operation
• Designed for the 1503 engine platform
• Easy replacement during top-end maintenance

Fits These Machines

• for Sea-Doo GTX S 1503 (2016)

On-The-Job Use

• Routine top-end maintenance and valve cover resealing
• Repairing oil leaks around the valve cover
• Engine rebuilds and gasket replacement jobs
• Seasonal servicing of personal watercraft

Specs At A Glance

Good To Know

Q: Does this gasket replace the original part? A: Yes, it cross-references OEM part 420950820 and is made to fit the 1503 engine valve cover. Confirm your model and serial number before ordering.

Q: How often should a valve cover gasket be replaced? A: Replace it whenever you notice oil seepage around the valve cover or during top-end service. Fresh gaskets help maintain proper oil sealing.

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