420950840 Water Pump Housing Gasket for Sea-Doo Challenger SE 155 1503 2012

Water Pump Housing Gasket for Sea-Doo Challenger/SE

This water pump housing gasket for Sea-Doo Challenger/SE seals the pump housing to prevent coolant leaks, and it cross-references OEM part number 420950840.

Overview

This water pump housing gasket for Sea-Doo keeps the housing sealed so coolant circulates properly through the engine. It is a direct-fit replacement for the OEM 420950840 gasket used on the 1503 engine. Designed for riders servicing their own jet boat or PWC, this gasket helps restore a leak-free cooling system.

Built For Performance

• Cross-references OEM part number 420950840
• Fits 1503 engine water pump housing
• Seals the housing mating surface against coolant leaks
• Constructed for marine cooling system service
• Direct replacement for the factory gasket

Fits These Machines

• for Sea-Doo Challenger 155 with 1503 engine
• for Sea-Doo Challenger SE with 1503 engine

On-The-Job Use

• Water pump housing resealing during cooling system repair
• Routine maintenance of the 1503 engine
• Replacing a worn or leaking gasket

Specs At A Glance

Good To Know

Q: Is this an OEM Sea-Doo gasket? A: It is a replacement gasket that cross-references OEM part number 420950840. It is not an original brand product.

Q: How many do I need for one pump housing? A: This listing is for one gasket. Confirm your housing uses a single gasket 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.