42034-3707 Coupler for Kawasaki STX 750 1998 Jet Ski

Coupler for Kawasaki

This coupler for Kawasaki, part 42034-3707, connects the driveshaft to the jet pump so power transfers cleanly to the impeller.

Overview

This coupler is a driveshaft-to-pump driveline component for Kawasaki personal watercraft. The coupler for Kawasaki 42034-3707 keeps the driveshaft engaged with the pump shaft so thrust reaches the impeller without slipping. It suits riders replacing a worn coupler on a 1998 STX 750.

Built For Performance

• Cross-references OEM part 42034-3707
• Splined bore matches the driveshaft and pump shaft
• Dampens driveline shock between shaft and impeller
• Steel construction for marine driveline loads
• Direct replacement for the stock coupler

Fits These Machines

• for Kawasaki STX 750, 1998

On-The-Job Use

• Replacing a stripped or worn coupler during driveline service
• Pump and driveshaft reassembly after impeller work
• Routine maintenance on 1998 STX 750 watercraft

Specs At A Glance

Good To Know

Q: How do I know this coupler fits my machine? A: Confirm your model and year match the fitment listed and that your current part is 42034-3707. Verify the splines on your driveshaft and pump shaft before ordering.

Q: Does this include the driveshaft or pump? A: No, this listing is for the coupler only. Reuse your existing driveshaft and pump unless they also need replacement.

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