Jet Pump Assembly for Sea-Doo Fish 18-170 1630 2025

Jet Pump Assembly for Sea-Doo

This jet pump assembly is a complete propulsion unit for Sea-Doo personal watercraft, drawing water through the impeller to produce forward thrust; it fits Fish 18-170 1630 models from 2025.

Overview

This jet pump assembly for Sea-Doo provides the thrust your personal watercraft needs to move efficiently through the water. As a direct-fit replacement for the Fish 18-170 1630 from 2025, this jet pump assembly brings propulsion back to spec after wear or debris damage. It is aimed at owners handling their own seasonal maintenance or repairs.

Built For Performance

• Complete housing with impeller and stator vanes installed
• Machined wear ring surface for consistent impeller clearance
• Corrosion-resistant materials for fresh and salt water
• Sealed bearing assembly protects the driveline from water intrusion
• Balanced impeller for smooth, low-vibration running
• Mounting points matched to original pump geometry

Fits These Machines

• for Sea-Doo Fish 18-170 1630, 2025

On-The-Job Use

• Replacing a pump damaged by debris or gravel
• Refreshing the driveline on a high-hour Fish 18-170 1630
• Seasonal maintenance before the riding season starts
• Saltwater use where corrosion resistance matters

Specs At A Glance

Good To Know

Q: Will this assembly fit my 2025 Fish 18-170 1630 without modification? A: It is made as a direct-fit replacement for that model and year, though verifying your serial number before ordering is always wise.

Q: Are the impeller and wear ring part of this assembly? A: It ships as a complete pump assembly, so the housing and internal pump components come together for a simpler install.

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