420950840 Water Pump Housing Gasket for Sea-Doo GTI 130 Rental 1630 2020

Water Pump Housing Gasket for Sea-Doo

This water pump housing gasket seals the pump housing to the engine on personal watercraft, replacing OEM part 420950840.

Overview

This water pump housing gasket for Sea-Doo keeps the cooling system sealed on select personal watercraft. The gasket for Sea-Doo GTI 130 models prevents coolant leaks at the pump housing joint so water flow stays consistent through the engine. It serves rental fleet operators and owners doing routine pump service on a 1630 engine.

Built For Performance

• Precision-cut to match the OEM 420950840 footprint
• Seals the water pump housing to the engine mating surface
• Resists coolant, heat, and continuous water exposure
• Compresses evenly to maintain a leak-free joint
• Ideal for pump rebuilds and routine cooling system service

Fits These Machines

• for Sea-Doo GTI 130 Rental 1630
• for Sea-Doo GTI 130 models
• for Sea-Doo models running the 1630 engine

On-The-Job Use

• Water pump housing reseals after a rebuild
• Cooling system service on 1630-equipped watercraft
• Rental fleet maintenance to prevent coolant seepage

Specs At A Glance

Good To Know

Q: Do I need to replace this gasket every time the pump housing is removed? A: Yes, a fresh gasket for Sea-Doo pump housings is recommended each time the housing is separated to keep the seal reliable.

Q: Is sealant required with this gasket? A: Follow the service manual for your model, as some applications call for a dry install while others allow a light sealant.

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