420950840 Water Pump Housing Gasket for Sea-Doo GTR STD 230 1503 2017

Water Pump Housing Gasket for Sea-Doo

This water pump housing gasket for Sea-Doo seals the pump housing on 1503 engine-equipped models to prevent coolant leaks, and it cross-references OEM part number 420950840.

Overview

This water pump housing gasket for Sea-Doo is a sealing component made for the 1503 engine platform. It sits between the water pump housing and the engine to stop coolant from seeping out during operation. A go-to choice for riders and shops handling cooling system maintenance or a rebuild on their personal watercraft.

Built For Performance

• Cut to match the 420950840 OEM gasket shape
• Made from coolant-resistant gasket material
• Handles constant pressure and heat cycling
• Seals the water pump housing mating surface reliably
• Direct replacement for the factory gasket on 1503 engines

Fits These Machines

• for Sea-Doo GTR STD 230 1503, 2017

On-The-Job Use

• Water pump housing resealing during scheduled maintenance
• Cooling system repair after a leak appears at the housing
• Engine rebuilds that require removing the pump housing
• Preventive replacement when the old gasket shows wear

Specs At A Glance

Good To Know

Q: Should this gasket be replaced every time the housing comes off? A: Yes, gaskets are single-use sealing parts and should be swapped out any time the water pump housing is separated from the engine. Reusing one risks coolant leaks under pressure.

Q: Is sealant needed when installing this gasket? A: Practices vary, but many technicians install this gasket dry on a clean, flat mating surface. Check your model's service manual for the recommended procedure.

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