420834488 Starter Gear for Sea-Doo Islandia SE 430 1503 2008

Starter Gear for Sea-Doo

This starter gear, OEM cross-reference 420834488, engages the starter motor to turn the engine over on personal watercraft, and it is made for riders replacing a worn or damaged gear.

Overview

This starter gear is a direct replacement component for the Sea-Doo 1503 engine starter assembly. A starter gear for Sea-Doo engages the flywheel to crank the engine, and this unit is built to restore reliable starting on your watercraft. It is intended for riders and mechanics servicing the 430 or Islandia SE 1503 platform.

Built For Performance

• OEM cross-reference 420834488 matches the original starter gear specification
• Hardened gear teeth resist wear from repeated engagement
• Precision machining supports smooth meshing with the flywheel
• Corrosion-resistant surface treatment suited to marine environments
• Direct-fit design for the Sea-Doo 1503 starter assembly

Fits These Machines

• for Sea-Doo Islandia SE 430
• for Sea-Doo 1503 equipped models

On-The-Job Use

• Replacing a stripped or worn starter gear on a personal watercraft
• Restoring reliable engine cranking before a day on the water
• Routine starter rebuilds and maintenance
• Shop repairs on Sea-Doo 1503 powerplants

Specs At A Glance

Good To Know

Q: How do I know if my starter gear needs replacing? A: Grinding noises during starting, a starter that spins without cranking the engine, or visible tooth damage all point to a worn starter gear. Inspect the gear and flywheel teeth together before ordering.

Q: Does this starter gear come with installation hardware? A: This listing covers the starter gear itself. Reuse or replace mounting hardware as needed and follow the service manual torque values during installation.

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