420950840 Water Pump Housing Gasket for Sea-Doo GTX IS 215 1503 2010-2011

Water Pump Housing Gasket for Sea-Doo

This water pump housing gasket for Sea-Doo seals the housing to the engine block on the 1503 engine, replacing OEM part 420950840 to keep coolant flowing without leaks.

Overview

This water pump housing gasket for Sea-Doo is a direct-fit sealing component for the 1503 engine used in the GTX IS 215. It sits between the pump housing and the engine case, preventing coolant seepage under pressure and temperature swings. Designed for riders and mechanics servicing 2010 to 2011 models.

Built For Performance

• Precision-cut to match the OEM 420950840 gasket profile
• Coolant-resistant material holds up to heat cycling
• Compressible construction seals uneven mating surfaces
• Maintains proper pump housing pressure
• Compact footprint installs without trimming

Fits These Machines

• for Sea-Doo GTX IS 215 with 1503 engine, 2010-2011

On-The-Job Use

• Water pump housing resealing during routine service
• Coolant leak repair at the pump housing joint
• Engine rebuilds requiring new sealing components
• Preventive maintenance before riding season

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: No, this is an aftermarket water pump housing gasket for Sea-Doo made to OEM specifications. It cross-references part 420950840.

Q: Can I reuse the old gasket? A: No, gaskets compress and harden over time, so a fresh gasket should be installed whenever the housing is removed. Reusing an old one risks coolant leaks.

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