420950840 Water Pump Housing Gasket for Sea-Doo GTI SE DT 1503 2007

Water Pump Housing Gasket for Sea-Doo

This water pump housing gasket seals the housing to the engine block on 2007 Sea-Doo GTI SE DT 1503 models, crossing to OEM number 420950840.

Overview

This water pump housing gasket is a direct-fit sealing component made to stop coolant leaks at the pump housing mating surface for Sea-Doo personal watercraft. The gasket for Sea-Doo GTI SE DT 1503 sits between the housing and block, holding a tight seal under pressure and heat. It suits riders and mechanics doing routine cooling system service on their 2007 machine.

Built For Performance

• Precision-cut to match the housing mounting surface
• Seals coolant passages under pressure and heat cycling
• Withstands continuous marine engine operating temperatures
• Designed as a direct replacement for OEM 420950840
• Resists coolant, water, and corrosion exposure

Fits These Machines

• for Sea-Doo GTI SE DT 1503, 2007

On-The-Job Use

• Water pump housing resealing during cooling system repair
• Routine maintenance on 2007 Sea-Doo GTI SE DT 1503 watercraft
• Leak repair at the pump housing mating surface

Specs At A Glance

Good To Know

Q: Does this gasket fit any other model years? A: It is listed for the 2007 Sea-Doo GTI SE DT 1503 and cross-references OEM 420950840, so match your part number before ordering.

Q: Should I replace the gasket whenever the housing is removed? A: Yes, a fresh water pump housing gasket is standard practice any time the housing is taken off to prevent coolant leaks.

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