420917515 Connecting Rod Kit for Sea-Doo GTX S/C 1503 2003-2006

Connecting Rod Kit for Sea-Doo

This connecting rod kit replaces worn or damaged rods in the 1503 engine, cross-referencing OEM 420917515, giving the rotating assembly fresh strength for rebuilds and top-end service.

Overview

This connecting rod kit for Sea-Doo is built for the 1503 supercharged engine and serves riders rebuilding a crank or replacing failed rods. The connecting rod kit restores reliable power transfer from piston to crankshaft, keeping the 1503 running the way it should.

Built For Performance

• Direct cross-reference to OEM part number 420917515
• Fits the 1503 four-stroke engine platform
• Sold as a matched kit for consistent balance
• Suited to supercharged GTX applications
• Construction aimed at high-RPM marine use

Fits These Machines

• for Sea-Doo GTX S/C 1503 (2003-2006)

On-The-Job Use

• Engine rebuilds and crank service
• Top-end refresh after rod failure
• Supercharged PWC maintenance
• Off-season winter rebuild projects

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: No, this is an aftermarket connecting rod kit that cross-references OEM 420917515. It is designed to fit the 1503 engine but is not manufactured by Sea-Doo.

Q: Should rods be replaced as a set? A: Yes, replacing all rods together is standard practice during a rebuild to keep the rotating assembly balanced. Always confirm the exact part number against your 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.