39145-3742 Jet Pump Trim Seal for Kawasaki STX-12F 1200 2003-2007

Jet Pump Trim Seal for Kawasaki

This jet pump trim seal replaces OEM 39145-3742 for the Kawasaki STX-12F 1200, sealing the pump trim joint to help keep water flow controlled.

Overview

The jet pump trim seal is a direct-fit replacement designed around OEM 39145-3742 for the Kawasaki STX-12F 1200. It seals the trim section of the jet pump so the pump housing stays properly seated against the nozzle. Built for personal watercraft owners replacing a worn or leaking trim seal on a 2003-2007 STX-12F.

Built For Performance

• Cross-references OEM part number 39145-3742
• Seals the jet pump trim joint against water intrusion
• Restores proper pump-to-nozzle alignment
• Designed for marine water exposure
• Direct-fit replacement for the original seal

Fits These Machines

• for Kawasaki STX-12F 1200 (2003-2007)

On-The-Job Use

• Routine jet pump maintenance
• Replacing a cracked or flattened trim seal
• Pump rebuilds on the STX-12F 1200
• Post-season winterizing service

Specs At A Glance

Good To Know

Q: Is this an original Kawasaki seal? A: No, this is an aftermarket replacement cross-referenced to OEM 39145-3742. Always confirm the part number against your machine before ordering.

Q: How often should a trim seal be replaced? A: Inspect it during pump service or whenever the pump is removed. Replace it if it is cracked, flattened, or leaking.

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