13107-3721 Impeller Shaft for Kawasaki SX 650 1987-1993

Impeller Shaft for Kawasaki

This impeller shaft for Kawasaki fits SX 650 watercraft from 1987 through 1993 and carries OEM cross-reference 13107-3721, delivering the drive connection the jet pump needs.

Overview

This impeller shaft for Kawasaki is the driveshaft component that transfers engine power into the jet pump impeller on SX 650 personal watercraft. It serves riders and mechanics replacing a worn, bent, or corroded shaft on a 1987 to 1993 machine. Built to OEM cross-reference 13107-3721, this impeller shaft keeps the pump spinning true.

Built For Performance

• Machined to match OEM cross-reference 13107-3721 for direct replacement
• Steel construction built to handle continuous driveline torque
• Splined ends sized for the SX 650 pump and coupler interface
• Straightness held to tight tolerance to limit vibration at speed
• Corrosion-resistant finish for regular water exposure

Fits These Machines

• for Kawasaki SX 650, 1987
• for Kawasaki SX 650, 1988
• for Kawasaki SX 650, 1989
• for Kawasaki SX 650, 1990
• for Kawasaki SX 650, 1991
• for Kawasaki SX 650, 1992
• for Kawasaki SX 650, 1993

On-The-Job Use

• Replacing a bent or worn shaft after pump damage
• Driveline rebuilds on SX 650 hulls
• Routine jet pump service and bearing replacement
• Restoring a stored or neglected personal watercraft

Specs At A Glance

Good To Know

Q: Is this an original Kawasaki part? A: No, this is an aftermarket impeller shaft built to cross-reference 13107-3721 for Kawasaki SX 650. It is not an original brand product.

Q: What else should I replace at the same time? A: Most mechanics replace pump bearings, seals, and the coupler when fitting a new impeller shaft. Check spline wear on the mated parts before reassembly.

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