420850948 Water Pump Seal for Sea-Doo GTI P STD 90 900 2018

Water Pump Seal for Sea-Doo

This water pump seal for Sea-Doo is a replacement sealing component that prevents coolant and water from leaking around the water pump shaft, and it cross-references OEM part number 420850948.

Overview

This water pump seal for Sea-Doo is a direct replacement component engineered to keep the water pump sealed against coolant and water intrusion. It is designed for riders and mechanics performing pump service on their personal watercraft. The 420850948 reference matches the original seal used on the GTI P STD 90 900 platform.

Built For Performance

• Replaces OEM seal reference 420850948
• Seals the water pump shaft against coolant and water leaks
• Resists heat and coolant exposure during normal engine operation
• Compact profile that installs in the factory pump housing location
• Suited to routine pump rebuild and reseal jobs

Fits These Machines

• for Sea-Doo GTI P STD 90 900 2018

On-The-Job Use

• Water pump reseal and rebuild service
• Coolant leak repair on the water pump assembly
• Scheduled maintenance and winterization teardown
• Shop and DIY repair of personal watercraft cooling systems

Specs At A Glance

Good To Know

Q: Does this seal fit my 2018 GTI P STD 90 900? A: It is listed for that model and year, but serial number and pump variation can affect fit, so confirm against your machine before ordering.

Q: Can I reuse this seal after removal? A: Seals are single-use components and should be replaced once removed, so install a fresh seal during any pump service.

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