420236501 Timing Chain Tensioner Guide for Sea-Doo GTX S 155 1503 2012-2013

Timing Chain Tensioner Guide for Sea-Doo

The timing chain tensioner guide keeps the timing chain aligned and tensioned on the 1503 engine, maintaining correct camshaft timing on your Sea-Doo GTX S 155.

Overview

This timing chain tensioner guide is a replacement component built for the Sea-Doo 1503 engine platform. It holds the timing chain in position and manages tension during engine operation, helping protect valve timing and reduce chain noise. It is intended for riders and technicians servicing a Sea-Doo GTX S 155 from the listed model years.

Built For Performance

• Designed around the 1503 four-stroke engine platform
• Maintains steady timing chain tension during operation
• Helps reduce chain wear and stretching over time
• Durable construction for marine engine environments
• Direct replacement for the factory tensioner guide

Fits These Machines

• for Sea-Doo GTX S 155 (2012-2013)
• for Sea-Doo GTX S 155 (2015)

On-The-Job Use

• Timing chain service on 1503 engines
• Engine rebuild and top-end refresh projects
• Routine maintenance on high-hour watercraft
• Repairing noisy or worn timing components

Specs At A Glance

Good To Know

Q: What does a timing chain tensioner guide do? A: It keeps the timing chain aligned and tensioned so camshaft timing stays accurate. A worn guide can cause noise and timing drift.

Q: Is this an original Sea-Doo part? A: This is an aftermarket replacement component made for Sea-Doo watercraft and is referenced by part number 420236501. Confirm fitment against your model and serial number 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.