420834488 Starter Gear for Sea-Doo GTX SCIC 1503 2007 Jet Ski

Starter Gear for Sea-Doo

This starter gear is an engine starting component that engages the starter motor to turn over the 1503 engine, serving as a replacement for OEM reference 420834488.

Overview

This starter gear is a driveline component engineered for the Sea-Doo 1503 engine family, providing the mechanical link that transfers starter motor rotation to the engine flywheel. It is a direct replacement for OEM 420834488 and offers dependable engagement for personal watercraft owners and marine mechanics performing routine rebuilds. This starter gear is built for the Sea-Doo GTX SCIC and other 1503-equipped models.

Built For Performance

• Constructed from hardened steel for long service life under repeated starting cycles
• Precision-cut gear teeth for smooth engagement with the flywheel
• Direct replacement for OEM reference 420834488
• Heat-treated surface for added wear resistance
• Designed to match the 1503 engine starter assembly
• Corrosion-resistant finish suitable for marine environments

Fits These Machines

• for Sea-Doo GTX SCIC with 1503 engine (2007)
• for Sea-Doo 1503-equipped models using OEM 420834488

On-The-Job Use

• Starter system rebuilds on Sea-Doo personal watercraft
• Routine maintenance when starting engagement is weak or slipping
• Engine overhaul projects on 1503 powerplants
• Replacing a worn or damaged starter gear after flywheel inspection

Specs At A Glance

Good To Know

Q: Does this gear fit my Sea-Doo? A: It is intended for Sea-Doo models with the 1503 engine and OEM 420834488 starter gear. Verify your model and OEM number before ordering.

Q: Should I replace the flywheel at the same time? A: Inspect the flywheel teeth for wear whenever the starter gear is replaced. A worn flywheel can damage a new gear quickly.

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