420850948 Water Pump Seal for Sea-Doo GTS P STDR 90 900 2018

Water Pump Seal for Sea-Doo

This water pump seal for Sea-Doo is a replacement sealing component for the cooling system pump, cross-referencing OEM part number 420850948.

Overview

This water pump seal for Sea-Doo seals the pump shaft on GTS P STDR 90 900 models to stop coolant loss. The water pump seal for Sea-Doo helps maintain proper cooling flow and guards against overheating. It suits riders and technicians handling cooling system repairs or pump rebuilds.

Built For Performance

• Seals the pump shaft against coolant weep and pressure loss
• OEM cross-reference 420850948 for straightforward part matching
• Built to handle marine cooling system conditions
• Compact design that seats in the pump housing
• Ideal for rebuild and preventive maintenance work

Fits These Machines

• for Sea-Doo GTS P STDR 90 900, 2018

On-The-Job Use

• Cooling system pump rebuilds
• Leak repair at the pump shaft
• Pre-season maintenance on personal watercraft
• Overheating diagnostics and repair

Specs At A Glance

Good To Know

Q: How do I confirm this seal matches my watercraft? A: Verify the OEM number 420850948 and model year against your parts diagram, and check your engine serial number before ordering. Q: Is it worth replacing the impeller while the pump is open? A: Many riders replace the impeller and inspect the bearings and housing at the same time to avoid repeat labor.

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