420950820 Valve Cover Gasket for Sea-Doo GTX S/C 1503 2003-2006

Valve Cover Gasket for Sea-Doo GTX S/C 1503

This valve cover gasket seals the valve cover to the cylinder head on the 1503 engine used in the Sea-Doo GTX S/C, replacing OEM part number 420950820 to prevent oil seepage and keep the top end sealed.

Overview

This valve cover gasket is a direct-fit sealing component for the 1503 engine found in the Sea-Doo GTX S/C. It seals the joint between the valve cover and cylinder head, stopping oil weep and keeping the valve train area clean and properly lubricated. Ideal for riders and mechanics servicing a 2003 to 2006 Sea-Doo GTX S/C who need a reliable replacement valve cover gasket.

Built For Performance

• Direct replacement for OEM part number 420950820
• Precision-cut to match the 1503 valve cover mating surface
• Constructed from oil-resistant gasket material
• Helps prevent oil leaks and maintain proper crankcase sealing
• Withstands the heat and vibration of marine engine operation
• Simple install with the valve cover removed

Fits These Machines

• for Sea-Doo GTX S/C 1503 (2003-2006)

On-The-Job Use

• Valve cover resealing during top-end service
• Leak repair on the 1503 engine
• Routine maintenance before the riding season
• Engine rebuild and gasket refresh work

Specs At A Glance

Good To Know

Q: Does this fit my Sea-Doo GTX S/C? A: It is made for the 1503 engine in 2003-2006 GTX S/C models, so confirm your engine and year before ordering.

Q: Should I replace the gasket if I remove the valve cover? A: Yes, a new valve cover gasket is recommended any time the cover is removed to ensure a proper seal.

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