420950840 Water Pump Housing Gasket for Sea-Doo Fish Pro Trophy 170 1630 2022-20

Water Pump Housing Gasket for Sea-Doo

This water pump housing gasket seals the pump housing on 1630 ACE engines, helping keep coolant contained and the impeller circuit working as designed; OEM cross-reference 420950840.

Overview

This water pump housing gasket for Sea-Doo is a direct-fit sealing component for the 1630 ACE engine used across 2022-2026 Fish Pro Trophy 170 models. It seats between the pump housing and engine block to prevent coolant leaks under heat and pressure. Ideal for scheduled maintenance or a rebuild where the original gasket has hardened or failed.

Built For Performance

• Precision-cut to match the 420950840 housing profile
• Constructed from coolant-resistant gasket material
• Withstands the heat cycling of the 1630 ACE engine
• Compresses evenly for a consistent seal
• Designed for use with the factory water pump housing

Fits These Machines

• for Sea-Doo Fish Pro Trophy 170 1630 (2022-2026)

On-The-Job Use

• Water pump housing reseal during coolant service
• Engine rebuilds and top-end teardowns
• Fishing-season maintenance for Fish Pro owners
• Replacing a hardened or weeping original gasket

Specs At A Glance

Good To Know

Q: Does this gasket require sealant during install? A: Most installs use a dry fit since the gasket is pre-formed for the housing surface, but always follow the service manual torque sequence for the housing bolts.

Q: How often should the water pump housing gasket be replaced? A: Replace it any time the housing is removed, and inspect for weeping or hardening during routine coolant service intervals.

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