1503 Complete Crankshaft Assembly for Sea-Doo Speedster 430 2008

Complete Crankshaft Assembly for Sea-Doo Speedster 430

This complete crankshaft assembly is a replacement engine component for the Sea-Doo Speedster 430 1503, providing the rotating core that turns piston motion into drive output on the 1503 engine platform.

Overview

This complete crankshaft assembly is built to serve as the rotating heart of the Sea-Doo Speedster 430 1503 engine, converting combustion force into usable power. It is a direct replacement option for the 1503 powerplant used in the 2008 model year. It suits rebuilders and owners bringing a worn engine back to life.

Built For Performance

• Complete assembly supplied ready for installation into the 1503 engine case
• Built to handle the load demands of the Sea-Doo Speedster 430 1503 drivetrain
• Connecting rod and journal geometry matched to the 1503 platform
• Balanced rotating mass to support smooth operation at high rpm
• Manufactured to consistent tolerances for reliable rebuild results

Fits These Machines

• for Sea-Doo Speedster 430, 2008
• for Sea-Doo 1503 engine platform

On-The-Job Use

• Engine rebuilds on the Sea-Doo Speedster 430 1503
• Replacing a seized, scored, or worn crankshaft
• Restoring a project boat to running condition
• Shop-level engine refresh work

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: No, this is an aftermarket complete crankshaft assembly designed as a replacement for the Sea-Doo Speedster 430 1503. It is not manufactured by or affiliated with Sea-Doo.

Q: Should I replace bearings at the same time? A: Replacing crankshaft bearings and seals during a rebuild is common practice when installing a new crankshaft assembly. Confirm the correct bearing set for your 1503 engine 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.