420834488 Starter Gear for Sea-Doo RXT STD 230 1503 2018-2019

Starter Gear for Sea-Doo

The Starter Gear for Sea-Doo, part number 420834488, is a replacement starter drive gear that engages the flywheel to crank the engine on RXT STD 230 1503 models from 2018 to 2019.

Overview

This starter gear for Sea-Doo is a direct-fit replacement that transfers torque from the starter motor to the engine flywheel for reliable ignition. Built to match the original 420834488 starter gear for Sea-Doo, it restores dependable starting on RXT STD 230 1503 watercraft from 2018 to 2019. It is intended for riders and mechanics replacing a worn or stripped starter gear in a 1503 engine.

Built For Performance

• Precision-cut gear teeth for proper flywheel engagement
• Constructed from hardened steel for wear resistance
• Direct replacement for part number 420834488
• Designed to match the 1503 engine starter assembly
• Resists corrosion in marine environments

Fits These Machines

• for Sea-Doo RXT STD 230 1503, 2018
• for Sea-Doo RXT STD 230 1503, 2019

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 motor service and rebuilds
• Marine shops performing engine starting system repairs

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: This is a replacement starter gear made for Sea-Doo models and is not an original factory component. It is designed to match the fit and function of part number 420834488.

Q: How do I know if my starter gear needs replacing? A: Common signs include a grinding noise during start attempts or an engine that will not crank even with a charged battery. Inspecting the gear teeth for wear or stripping confirms whether replacement is needed.

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