420950840 Water Pump Housing Gasket for Sea-Doo GTX STD 1503 2004-2006

Water Pump Housing Gasket for Sea-Doo

This water pump housing gasket seals the pump housing to the engine case on Sea-Doo personal watercraft, replacing OEM part 420950840.

Overview

This water pump housing gasket is a direct-fit sealing component for the cooling system on select Sea-Doo watercraft. It seals the mating surface between the water pump housing and the engine block to prevent coolant leaks and maintain proper flow. This water pump housing gasket is intended for owners performing routine pump maintenance or rebuilding a cooling system on a compatible Sea-Doo model.

Built For Performance

• Seals the water pump housing mating surface to prevent coolant loss
• Maintains proper coolant circulation through the engine
• OEM cross-reference 420950840 for straightforward fitment lookup
• Designed for the 1503 engine platform
• Ideal replacement during pump rebuild or housing removal

Fits These Machines

• for Sea-Doo GTX STD 1503 (2004-2006)

On-The-Job Use

• Water pump housing reseal during routine maintenance
• Cooling system service after housing removal
• Engine rebuild projects requiring a fresh gasket

Specs At A Glance

Good To Know

Q: Does this gasket fit other Sea-Doo models? A: It is referenced for the 1503 platform and the 2004-2006 GTX STD 1503. Confirm your engine and housing part numbers before ordering.

Q: Can this gasket be reused after removal? A: Gaskets are single-use sealing components and should be replaced any time the water pump housing is removed.

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