420834488 Starter Gear for Sea-Doo GTX LTD IS 255 1503 2009

Starter Gear for Sea-Doo

This starter gear is a replacement starting system component that engages the flywheel to turn over the engine on personal watercraft, and it cross-references OEM part number 420834488.

Overview

The starter gear for Sea-Doo provides the mechanical link between the starter motor and the engine flywheel, allowing the engine to crank and fire reliably. This starter gear is manufactured to match the original dimensions and tooth count so it drops into the existing housing without modification. It is a solid choice for riders servicing a high-hours Sea-Doo GTX LTD IS 255 or any 1503-powered model that needs a fresh starter gear.

Built For Performance

• Hardened steel construction for long service life under repeated engagement
• Precision-cut gear teeth sized to mesh correctly with the flywheel ring gear
• Direct fitment on 1503 engine starter assemblies
• Corrosion-resistant finish suited to wet marine environments
• Cross-references OEM part number 420834488 for easy verification

Fits These Machines

• for Sea-Doo GTX LTD IS 255 (2009)
• for Sea-Doo models equipped with the 1503 engine

On-The-Job Use

• Replacing a worn or stripped starter gear during engine service
• Restoring reliable cold-start cranking on high-hours watercraft
• Routine maintenance of the starting system before the riding season
• Shop repairs on 1503-powered personal watercraft

Specs At A Glance

Good To Know

Q: Will this starter gear fit my Sea-Doo GTX LTD IS 255? A: It is listed for the 2009 GTX LTD IS 255 with the 1503 engine and cross-references OEM 420834488. Always confirm your model year and engine before ordering.

Q: Do I need to replace other starter parts at the same time? A: Inspect the flywheel ring gear teeth and starter motor for wear while the gear is out. Replacing worn mating parts at the same time helps prevent premature failure.

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