420236501 Timing Chain Tensioner Guide for Sea-Doo Challenger S 2 x 155 1503

Timing Chain Tensioner Guide for Sea-Doo Challenger S 155

This timing chain tensioner guide is a replacement engine component for the 1503 engine used in Sea-Doo Challenger S 2 x 155 models, cross-referencing OEM part number 420236501 to keep the timing chain aligned and tensioned.

Overview

This timing chain tensioner guide fits the 1503 engine in the Sea-Doo Challenger S 2 x 155. It keeps the timing chain aligned and tensioned so timing stays accurate under load. A practical replacement for owners servicing the Sea-Doo Challenger S 2 x 155 or rebuilding a 1503 engine.

Built For Performance

• Cross-references OEM part number 420236501
• Designed to match the 1503 engine timing chain layout
• Helps maintain correct chain tension and alignment
• Reduces chain slap and premature timing wear

Fits These Machines

• for Sea-Doo Challenger S 2 x 155, 2012
• for Sea-Doo models equipped with the 1503 engine

On-The-Job Use

• Timing chain service on the 1503 engine
• Top-end rebuilds on Sea-Doo Challenger S 2 x 155 watercraft
• Routine maintenance to prevent timing chain failure

Specs At A Glance

Good To Know

Q: Does this guide match OEM part 420236501? A: It is listed to cross-reference 420236501, so verify your existing part number before ordering.

Q: Should I replace the guide alone? A: Inspect the chain and related tensioner parts at the same time, since worn components often wear together.

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