420950840 Water Pump Housing Gasket for Sea-Doo Utopia / SE 310 2008

Water Pump Housing Gasket for Sea-Doo

This water pump housing gasket seals the pump housing on Sea-Doo 1503 engine applications, replacing OEM part 420950840.

Overview

This water pump housing gasket is a direct-fit sealing component for the Sea-Doo 1503 engine used in the Utopia and SE 310. The gasket sits between the pump housing and the engine block to prevent coolant leaks and maintain proper cooling system pressure. It is intended for owners performing routine maintenance or rebuilding a water pump on their Sea-Doo craft.

Built For Performance

• Precision-cut to match OEM part number 420950840
• Seals the water pump housing to prevent coolant loss
• Constructed from gasket material suited to marine cooling systems
• Withstands the heat and pressure of a running 1503 engine
• Direct replacement for the original housing gasket

Fits These Machines

• for Sea-Doo Utopia with 1503 engine (2008)
• for Sea-Doo SE 310 with 1503 engine (2008)

On-The-Job Use

• Water pump housing resealing during pump rebuilds
• Routine cooling system maintenance
• Repairing coolant leaks at the pump housing joint
• Engine reassembly after water pump service

Specs At A Glance

Good To Know

Q: Does this gasket fit other Sea-Doo models? A: This gasket is listed for the Utopia and SE 310 with the 1503 engine. Confirm your model and serial number before ordering.

Q: Is this an original Sea-Doo part? A: This is an aftermarket gasket that cross-references OEM part 420950840. It is not an original Sea-Doo product.

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