420834488 Starter Gear for Sea-Doo RXP 1503 2005-2006

Starter Gear for Sea-Doo

This starter gear is a replacement drive component that engages the starter motor to turn over the engine on 2005-2006 Sea-Doo RXP 1503 models, cross-referencing OEM part number 420834488.

Overview

This starter gear serves as the engagement link between the starter motor and the engine flywheel on 2005-2006 Sea-Doo RXP 1503 watercraft. The starter gear is machined to mesh cleanly with the flywheel ring gear so the engine spins up reliably on every start attempt. It is intended for riders replacing a worn or stripped starter gear and for shops servicing Sea-Doo 1503 engine platforms.

Built For Performance

• Direct cross-reference to OEM part number 420834488 for straightforward replacement
• Hardened tooth surfaces resist wear from repeated starter engagement
• Precision-cut gear teeth for smooth mesh with the flywheel ring gear
• Designed to fit 2005-2006 Sea-Doo RXP 1503 starter assemblies
• Compact, lightweight construction that installs in the stock starter location

Fits These Machines

• for Sea-Doo RXP 1503, 2005
• for Sea-Doo RXP 1503, 2006

On-The-Job Use

• Replacing a stripped or chipped starter gear during engine service
• Starter rebuilds on 2005-2006 Sea-Doo RXP 1503 personal watercraft
• Routine driveline maintenance to restore reliable cold-start cranking
• Shop repairs where the starter spins but fails to engage the flywheel

Specs At A Glance

Good To Know

Q: How do I know if my starter gear needs replacing? A: Common signs include a starter that spins without cranking the engine, grinding noises on startup, or visible tooth damage found during inspection. Confirm the gear meshes correctly with the flywheel before ordering.

Q: Does this starter gear fit both model years listed? A: It is referenced for 2005-2006 Sea-Doo RXP 1503 models, but fit can depend on serial number. Verify your machine's exact year and engine configuration before purchase.

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