420950820 Valve Cover Gasket for Sea-Doo GTX 1503 2002-2003

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 leaks on 1503 engine applications.

Overview

This valve cover gasket for Sea-Doo is a direct-fit sealing component for the 1503 engine valve cover. It keeps oil contained at the head-to-cover joint, protecting against leaks and keeping the top end clean. It suits riders and mechanics servicing 2002-2003 GTX watercraft.

Built For Performance

• Precision-cut to match the OEM 420950820 sealing profile
• Constructed from oil-resistant gasket material for a durable seal
• Designed to withstand the heat cycling of marine engine operation
• Replaces a worn or hardened gasket to stop weeping oil at the valve cover
• Fits 1503 engine valve covers without modification
• Sold as a single gasket for straightforward replacement

Fits These Machines

• for Sea-Doo GTX (2002-2003)

On-The-Job Use

• Routine top-end maintenance on 1503 engines
• Replacing a hardened or leaking valve cover gasket
• Resealing the valve cover after a valve adjustment or inspection
• Shop service and DIY garage repairs on personal watercraft

Specs At A Glance

Good To Know

Q: Does this gasket fit the 2002-2003 GTX listed? A: Yes, it is listed for the 2002-2003 GTX with the 1503 engine. Confirm your model and serial number before ordering.

Q: Do I need to replace the gasket every time the valve cover is removed? A: It is good practice to fit a fresh gasket whenever the valve cover is off to prevent leaks. A hardened or flattened gasket may not reseal properly.

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