420837352 Rotary Shaft Assembly for Sea-Doo 3D RFI 800 2005

Rotary Shaft Assembly for Sea-Doo 3D RFI 800

The Rotary Shaft Assembly for Sea-Doo 3D RFI 800 from 2005 transfers engine torque to the jet pump on your personal watercraft, keeping the drive line solid under load.

Overview

This Rotary Shaft Assembly for Sea-Doo 3D RFI 800 is the connecting drive shaft between the engine coupler and the jet pump on the 2005 3D RFI 800 model. Built as a direct replacement, the Rotary Shaft Assembly lets you refresh a worn or damaged driveline and get back on the water with confidence.

Built For Performance

• Precision-cut splines for full engagement with the engine coupler
• Heat-treated steel shaft for reliable torque transfer under load
• Machined journals that match OEM bearing dimensions
• Corrosion-resistant coating for long service in wet environments
• Balanced to reduce vibration through the pump tunnel
• Pre-assembled with bearing and seal hardware where applicable

Fits These Machines

• for Sea-Doo 3D RFI 800, 2005

On-The-Job Use

• Replacing a stripped or worn driveshaft spline
• Scheduled driveline service on the 2005 3D RFI 800
• Repairing a PWC after pump or coupler failure
• Refreshing a stored craft before the riding season

Specs At A Glance

Good To Know

Q: Will this fit the 2005 3D RFI 800 directly? A: Yes, it is designed for the 2005 Sea-Doo 3D RFI 800 application. Always confirm driveline compatibility against your hull serial number before ordering.

Q: Is this an original Sea-Doo part? A: No, this is an aftermarket Rotary Shaft Assembly made for Sea-Doo applications. It is not an OEM factory part.

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