420236501 Timing Chain Tensioner Guide for Sea-Doo GTX P STD 155 1503 2018

Timing Chain Tensioner Guide for Sea-Doo

This timing chain tensioner guide is a replacement component that keeps the timing chain aligned and tensioned on the 2018 Sea-Doo GTX P STD 155 with the 1503 engine, matching OEM reference 420236501.

Overview

This timing chain tensioner guide for Sea-Doo supports proper chain tracking on the 1503 engine fitted to the 2018 GTX P STD 155. It is a service part for riders and shops handling timing chain wear. The GTX P STD 155 owner gets a direct cross-reference to 420236501 for quick verification.

Built For Performance

• Designed for the 1503 engine used in the GTX P STD 155
• Guide face shaped to hold the timing chain on its correct path
• Replaces a grooved or worn tensioner guide during service
• Cross-references OEM number 420236501 for confirmation
• Rated for continuous oil-lubricated marine engine operation
• Fits into the stock tensioner location without modification

Fits These Machines

• for Sea-Doo GTX P STD 155 1503, 2018

On-The-Job Use

• Timing chain service on 1503 powered GTX models
• Top-end inspection and rebuild work
• Correcting chain noise traced to a worn guide
• Scheduled maintenance on higher-hour 2018 watercraft

Specs At A Glance

Good To Know

Q: Should the tensioner itself be replaced at the same time? A: If the tensioner shows weak spring pressure or scoring, replacing it alongside the guide is recommended. Both wear together under normal use.

Q: Is this an original Sea-Doo part? A: This is an aftermarket replacement for Sea-Doo applications, cross-referenced to 420236501. Verify your engine 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.