420834488 Starter Gear for Sea-Doo Challenger SE 2 x 215 1503 2012

Starter Gear for Sea-Doo

This starter gear, reference 420834488, transfers torque from the starter motor to the engine flywheel so the 1503 engine in your watercraft turns over and fires reliably.

Overview

This starter gear for Sea-Doo is the toothed drive component that meshes with the flywheel ring gear during engine cranking. The starter gear for Sea-Doo delivers dependable engagement on Challenger SE models running the 1503 215 engine. It is built for riders who need a solid replacement rather than a weak aftermarket part.

Built For Performance

• Precision-cut gear teeth for clean mesh with the flywheel ring gear
• Hardened tooth surfaces to resist wear during repeated starts
• Balanced construction to reduce vibration at cranking speed
• Direct replacement for part number 420834488
• Manufactured to meet or exceed the original fit and function

Fits These Machines

• for Sea-Doo Challenger SE 2 x 215 with the 1503 engine, 2012

On-The-Job Use

• Routine replacement for a worn or stripped starter drive gear
• Restoring reliable cold starts at the launch ramp
• Servicing the starting system before a season on the water
• Shop repairs where engagement noise points to a bad gear

Specs At A Glance

Good To Know

Q: How do I know my starter gear needs replacing? A: Grinding or squealing during start-up, or an engine that cranks without catching, often points to worn teeth on the starter gear or flywheel ring gear. Inspect both parts together before ordering.

Q: Is this an original Sea-Doo part? A: No, this is a replacement starter gear made to fit Sea-Doo applications and cross-references part number 420834488. Confirm your engine and serial number 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.