420236501 Timing Chain Tensioner Guide for Sea-Doo Fish Pro 155 1503 2019

Timing Chain Tensioner Guide for Sea-Doo

This timing chain tensioner guide is a replacement component for Sea-Doo 1503 engine applications, cross-referenced to OEM part number 420236501, that keeps the timing chain aligned and properly tensioned as it travels through the engine.

Overview

This timing chain tensioner guide serves as a direct-fit replacement for the worn or failed guide in Sea-Doo 1503 engines, helping maintain correct timing chain routing and tension. The tensioner guide is designed for riders and mechanics servicing personal watercraft that need dependable valve timing and reduced chain noise. Built to OEM-style dimensions for part number 420236501, this guide is intended for anyone rebuilding or refreshing a Sea-Doo 1503 engine.

Built For Performance

• Constructed to match OEM part number 420236501 for direct replacement fit
• Maintains proper timing chain alignment to support accurate valve timing
• Helps reduce chain slap and vibration during engine operation
• Durable material designed to withstand continuous engine heat and oil exposure
• Simple bolt-in installation for standard timing chain service

Fits These Machines

• for Sea-Doo Fish Pro 155 1503
• for Sea-Doo 1503 equipped models requiring part 420236501

On-The-Job Use

• Timing chain service and engine rebuilds on Sea-Doo 1503 powerplants
• Replacing a worn, cracked, or noisy original tensioner guide
• Routine top-end maintenance to protect valve timing components
• Shop and DIY repair work where an OEM-style replacement guide is needed

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: No, this is a replacement timing chain tensioner guide that cross-references OEM part number 420236501. It is designed to fit Sea-Doo 1503 applications.

Q: Do I need to replace other timing components at the same time? A: It is often recommended to inspect the timing chain, sprockets, and related guides during the same service. Replacing worn components together helps maintain correct timing and reduces the chance of repeat labor.

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