420950840 Water Pump Housing Gasket for Sea-Doo Islandia SE 155 1503 2007

Water Pump Housing Gasket for Sea-Doo

This water pump housing gasket seals the housing on the 1503 engine used in Sea-Doo Islandia and SE 155 models, replacing OEM part 420950840.

Overview

This water pump housing gasket for Sea-Doo keeps a tight seal on the 1503 engine's pump housing. The gasket for Sea-Doo Islandia and SE 155 applications replaces OEM 420950840 to help prevent coolant leaks at the housing joint. It suits owners and mechanics servicing the 2007 Islandia or SE 155 water pump assembly.

Built For Performance

• Direct replacement for OEM part 420950840
• Seals the water pump housing joint on the 1503 engine
• Designed for consistent fitment on 2007 Islandia and SE 155 models
• Helps prevent coolant seepage at the housing mating surface
• Simple install during water pump service

Fits These Machines

• for Sea-Doo Islandia 2007
• for Sea-Doo SE 155 2007

On-The-Job Use

• Water pump housing reseal during engine service
• Cooling system repairs on the 1503 engine
• Routine maintenance of Islandia and SE 155 jet boats

Specs At A Glance

Good To Know

Q: What does this gasket do? A: It seals the joint between the water pump housing and its mating surface on the 1503 engine. A fresh gasket helps stop coolant leaks after pump service.

Q: Does this fit my boat? A: It is listed for the 2007 Sea-Doo Islandia and SE 155 with the 1503 engine. Always confirm your model and engine 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.