Complete Crankshaft Assembly for Sea-Doo Challenger SP 155 1503 2009

Complete Crankshaft Assembly for Sea-Doo Challenger SP 155 1503

This complete crankshaft assembly is a replacement engine component for the Sea-Doo Challenger SP 155 equipped with the 1503 engine, restoring the rotating core that converts piston motion into drive output for the jet pump.

Overview

This complete crankshaft assembly serves the Sea-Doo Challenger SP 155 1503 as a full replacement crank unit for 2009 model year boats. The crankshaft assembly carries the connecting rods and journals that transfer combustion force into rotation, making it a central part of the 1503 power plant. It suits rebuilders and owners who need a complete crankshaft assembly for a 2009 Sea-Doo Challenger SP 155 rather than loose components.

Built For Performance

• Complete assembly ready for installation with rods and journals in place
• Built to match 1503 engine crankshaft dimensions for the 2009 Challenger SP 155
• Balanced rotating mass to support smooth operation at high rpm
• Hardened journal surfaces for wear resistance under load
• Direct fitment in the 1503 engine case without adapter parts
• Suited to full engine rebuilds and bottom-end refresh work

Fits These Machines

• for Sea-Doo Challenger SP 155 1503, 2009

On-The-Job Use

• Bottom-end rebuilds after bearing or rod failure
• Engine replacement work on 2009 Challenger SP 155 boats
• Seasonal rebuild programs for jet boat service shops
• Crank replacement where damage rules out reuse of the original
• Restoring a 1503 engine to running condition

Specs At A Glance

Good To Know

Q: Does this fit my 2009 Challenger SP 155? A: The assembly is listed for the 2009 Sea-Doo Challenger SP 155 with the 1503 engine. Confirm your serial number and engine code before ordering.

Q: Can I install this without machining work? A: A complete crankshaft assembly is intended for direct installation, though checking bearing clearances and case condition during a rebuild is standard practice.

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