420950772 Head Gasket for Sea-Doo GTX LTD S/C 1503 2003-2004

Head Gasket for Sea-Doo GTX LTD S/C 1503

This head gasket (OEM cross-reference 420950772) seals the cylinder head to the engine block on the Sea-Doo GTX LTD S/C 1503, holding compression and keeping coolant separated for 2003 through 2004 models.

Overview

This head gasket is a direct-fit sealing component for the Sea-Doo GTX LTD S/C 1503 personal watercraft. It sits between the cylinder head and engine block to maintain combustion pressure and stop coolant from entering the cylinders. Built for riders servicing a 2003 to 2004 Sea-Doo GTX LTD S/C 1503 with a failing gasket.

Built For Performance

• Cross-references OEM part number 420950772
• Multi-layer steel construction for dependable sealing
• Designed for the 1503 supercharged engine
• Handles heat cycling and coolant contact
• Precision cut to match OEM port and bolt patterns
• Restores compression after gasket failure

Fits These Machines

• for Sea-Doo GTX LTD S/C 1503, 2003
• for Sea-Doo GTX LTD S/C 1503, 2004

On-The-Job Use

• Top-end rebuilds after a blown head gasket
• Maintenance on higher-hour 1503 engines
• Restoring compression on a supercharged Sea-Doo
• Shop or DIY repair on 2003 to 2004 GTX LTD S/C models

Specs At A Glance

Good To Know

Q: Will this fit my 2003 Sea-Doo GTX LTD S/C 1503? A: Yes, this gasket cross-references OEM 420950772 and is listed for 2003 through 2004 GTX LTD S/C 1503 models. Confirm your engine code and serial number before ordering.

Q: Can I reuse my old head gasket? A: No, head gaskets are single-use crush components and must be replaced once removed. Reinstall with proper torque specs and a clean, flat mating surface.

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