Complete Crankshaft Assembly for Sea-Doo Challenger Wake 310 1503 2008

Complete Crankshaft Assembly for Sea-Doo Challenger Wake 310 1503

This complete crankshaft assembly is a direct-fit replacement engine component for the Sea-Doo Challenger Wake 310 1503, restoring the rotating core of the 1503 engine so the drive system turns smoothly under load.

Overview

The complete crankshaft assembly for Sea-Doo Challenger Wake 310 1503 brings the engine's rotating mass back to spec when a worn or damaged crank has sidelined the boat. This crankshaft assembly is built to handle the demands of the 1503 powerplant in the Challenger Wake 310, making it a practical choice for rebuilders and marine mechanics. It serves owners who need a reliable bottom-end replacement without hunting down every individual component.

Built For Performance

• Complete assembly with crank, rods, and bearings ready for installation
• Machined journals sized for the 1503 engine platform
• Balanced rotating assembly for reduced vibration at speed
• Heat-treated steel construction for marine-duty durability
• Designed as a direct replacement for the factory crankshaft
• Inspected for trueness and journal finish before shipping

Fits These Machines

• for Sea-Doo Challenger Wake 310
• for Sea-Doo 1503 engine applications

On-The-Job Use

• Engine rebuilds after bottom-end failure
• Marine service shops handling 1503 tear-downs
• Restoring a Challenger Wake 310 to running condition
• Preventive replacement during a full engine refresh

Specs At A Glance

Good To Know

Q: Does this assembly include connecting rods and bearings? A: Yes, it is listed as a complete crankshaft assembly, meaning the crank is supplied with its rods and bearings fitted for a straightforward bottom-end job.

Q: Can I install this without machining the cases? A: Crank installation typically requires checking journal clearances and case alignment, so measuring before assembly is always recommended.

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