420837352 Rotary Shaft for Sea-Doo GSX RFI 800 1999-2000

Rotary Shaft for Sea-Doo

This rotary shaft for Sea-Doo personal watercraft serves as a direct replacement component, cross-referencing OEM part number 420837352, and is designed to transfer rotational power within the driveline assembly.

Overview

This rotary shaft is a replacement driveline component built for Sea-Doo personal watercraft. It carries the OEM cross-reference 420837352 and is intended to restore power transfer in your jet pump assembly. Ideal for riders and mechanics performing routine driveline maintenance on compatible Sea-Doo models.

Built For Performance

• Cross-references OEM part number 420837352 for straightforward identification
• Constructed from corrosion-resistant metal suited to marine environments
• Machined splines for positive engagement with the driveline
• Balanced profile to support smooth rotation at operating speed
• Direct-fit replacement designed to match original mounting dimensions

Fits These Machines

• for Sea-Doo GSX RFI 800, 1999-2000

On-The-Job Use

• Routine driveline rebuilds on personal watercraft
• Replacing a worn or damaged shaft after seasonal use
• Jet pump and impeller service work
• Pre-season maintenance to keep your PWC water-ready

Specs At A Glance

Good To Know

Q: Does this rotary shaft come with mounting hardware? A: This listing covers the rotary shaft itself. Reuse your existing hardware unless inspection shows wear, in which case replacement fasteners are recommended.

Q: How do I know this shaft fits my watercraft? A: Confirm your model and year match the compatibility list, then verify the OEM part number 420837352 against your machine before ordering.

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