420834488 Starter Gear for Sea-Doo Sportster S/C 215 1503 2006

Starter Gear for Sea-Doo

This starter gear (OEM cross-reference 420834488) engages the starter motor to crank the engine on 2003-2009 Sea-Doo 1503 4-TEC watercraft, delivering dependable starting power for Sportster S/C 215 models and other 1503-equipped craft.

Overview

This starter gear is a direct-fit replacement component for the Sea-Doo 1503 4-TEC engine, engineered to mesh with the flywheel and transmit torque from the starter motor during engine start-up. Manufactured to OEM specifications under part number 420834488, this starter gear restores reliable cranking on Sportster S/C 215 models when the original gear shows wear or damage. A practical choice for owners and technicians servicing Sea-Doo 1503 4-TEC equipped watercraft.

Built For Performance

• Precision-machined gear teeth for smooth flywheel engagement
• Hardened steel construction resists wear from repeated start cycles
• Built to OEM specifications under cross-reference 420834488
• Correct tooth profile and dimensions for the 1503 4-TEC platform
• Withstands the torque loads of high-compression engine start-up

Fits These Machines

• for Sea-Doo Sportster S/C 215
• for Sea-Doo 1503 4-TEC equipped models 2003-2009

On-The-Job Use

• Replacing a worn or damaged starter gear during engine repair
• Restoring reliable starting on Sportster S/C 215 watercraft
• Scheduled maintenance on Sea-Doo 1503 4-TEC engines
• Shop service where OEM-equivalent starter parts are needed

Specs At A Glance

Good To Know

Q: What causes a starter gear to fail? A: Wear from repeated start cycles, misalignment with the flywheel, or debris in the housing can damage the gear teeth over time. Replacing the gear when grinding or no-crank symptoms appear helps prevent further starter damage.

Q: Is this an original Sea-Doo part? A: This is an aftermarket starter gear made to OEM specifications for Sea-Doo 1503 4-TEC applications, cross-referencing part number 420834488. Confirm your model and serial number 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.