420236501 Timing Chain Tensioner Guide for Sea-Doo GTR P STD 230 1503 2018

Timing Chain Tensioner Guide for Sea-Doo

This timing chain tensioner guide is a replacement component for Sea-Doo 1503 engine applications, cross-referenced under OEM part number 420236501, and it maintains proper chain alignment so the camshaft timing stays accurate.

Overview

This timing chain tensioner guide is built to keep the timing chain tracking correctly on Sea-Doo 1503 engines, reducing wear and helping preserve valve timing under load. The timing chain tensioner guide fits as a direct replacement for the original guide on the listed 2018 GTR models. It is intended for riders and mechanics performing timing chain service or a full top-end rebuild.

Built For Performance

• Constructed to match OEM part number 420236501 dimensions
• Fits the 1503 engine platform
• Guides the timing chain to limit lateral movement
• Helps maintain correct camshaft timing
• Suited to replacement during chain or tensioner service

Fits These Machines

• for Sea-Doo GTR 230 (2018)
• for Sea-Doo GTR-X 230 (2018)
• for Sea-Doo GTR P STD 230 1503 (2018)
• for Sea-Doo GTR P X 230 1503 (2018)

On-The-Job Use

• Timing chain replacement on 1503 engines
• Top-end rebuilds and camshaft service
• Personal watercraft maintenance
• Wear inspection and preventive replacement

Specs At A Glance

Good To Know

Q: Does this replace the original guide on my 2018 GTR? A: It is a replacement for OEM 420236501 and fits the 2018 Sea-Doo GTR 230 and GTR-X 230 1503 models listed. Confirm your engine serial number before ordering.

Q: Should the guide be replaced with the timing chain? A: Replacing the guide alongside the chain and tensioner is common practice when the engine is already apart. Inspect the old guide for grooving or cracks before reassembly.

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