420950840 Water Pump Housing Gasket for Sea-Doo RXT 1503 2005-2006

Water Pump Housing Gasket for Sea-Doo

This water pump housing gasket for Sea-Doo seals the pump housing to prevent coolant leaks on 1503-powered models, and is a direct cross-reference for OEM 420950840.

Overview

This water pump housing gasket for Sea-Doo is a sealing component that fits between the pump housing and engine case to keep coolant contained under pressure. The gasket for Sea-Doo water pump applications helps maintain proper cooling flow on 1503 engines used in RXT models from 2005 to 2006. It is intended for riders performing routine maintenance or replacing a worn, leaking seal.

Built For Performance

• Precision-cut to match the OEM 420950840 sealing profile
• Constructed from gasket material rated for coolant and heat exposure
• Compresses evenly to seal the pump housing mating surface
• Resists swelling and breakdown from prolonged coolant contact
• Direct replacement for the original housing gasket

Fits These Machines

• for Sea-Doo RXT 1503, 2005
• for Sea-Doo RXT 1503, 2006

On-The-Job Use

• Cooling system repairs on 1503 engines
• Water pump housing reassembly
• Routine gasket replacement during maintenance
• Leak repair at the pump housing mating surface

Specs At A Glance

Good To Know

Q: Do I need to replace this gasket every time the housing is removed? A: Yes, a new gasket should be used each time the water pump housing is taken off to ensure a reliable coolant seal.

Q: Does this gasket fit both years listed? A: It is listed for the 2005 to 2006 RXT 1503 models, but you should confirm your serial number and part number before ordering.

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