420236501 Timing Chain Tensioner Guide for Sea-Doo GTI P SE 155 1503 2018

Timing Chain Tensioner Guide for Sea-Doo

This timing chain tensioner guide fits 2018 Sea-Doo GTI P SE 155 1503 models and keeps the timing chain aligned and tensioned, carrying OEM reference 420236501.

Overview

This timing chain tensioner guide is built for the 2018 Sea-Doo GTI P SE 155 1503, keeping the timing chain running true under load. The guide supports consistent chain tension so valve timing stays accurate at rpm. Install it when servicing the timing chain assembly for reliable engine operation.

Built For Performance

• OEM cross-reference 420236501 for straightforward part matching
• Direct-fit replacement for the 1503 engine timing chain guide position
• Constructed to hold chain alignment under sustained marine use
• Helps prevent chain slap that can wear sprockets over time
• Designed for the 2018 GTI P SE 155 1503 platform

Fits These Machines

• for Sea-Doo GTI P SE 155 1503, 2018

On-The-Job Use

• Timing chain service on 1503 engine rebuilds
• Top-end tear-downs where the timing chain is removed
• Preventive replacement when chain noise is noticed
• Routine maintenance on GTI P SE 155 watercraft

Specs At A Glance

Good To Know

Q: Do I need to replace the tensioner itself with this guide? A: This listing covers the tensioner guide only, so inspect the tensioner and chain for wear during service and replace any worn parts together.

Q: Will this fit other 1503 models? A: It is listed for the 2018 GTI P SE 155 1503, but serial number and trim variations exist, so verify your machine 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.