420236501 Timing Chain Tensioner Guide for Sea-Doo Challenger SP 155 1503 2009

Timing Chain Tensioner Guide for Sea-Doo Challenger SP 155

This timing chain tensioner guide is a replacement engine component for the 1503 engine family, designed to keep the timing chain aligned and under proper tension; it corresponds to OEM reference 420236501.

Overview

The timing chain tensioner guide for Sea-Doo Challenger SP 155 keeps the timing chain running true through the 1503 engine's valvetrain. As a wear item, this guide for Sea-Doo helps maintain consistent chain tension so cam timing stays accurate. It is intended for riders and marine mechanics servicing or rebuilding the top end of a 1503 powerplant.

Built For Performance

• Replacement tensioner guide engineered for the 1503 engine platform
• Maintains timing chain alignment to support accurate cam timing
• Cross-references OEM part number 420236501 for easy lookup
• Constructed to withstand continuous marine engine heat and vibration
• Direct-fit item for timing chain service on the Challenger SP 155

Fits These Machines

• for Sea-Doo Challenger SP 155 with 1503 engine
• for Sea-Doo models using OEM 420236501 tensioner guide

On-The-Job Use

• Timing chain replacement and top-end rebuilds
• Refreshing worn tensioner guides during engine service
• Marine shop maintenance on 1503-equipped watercraft

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: This is an aftermarket tensioner guide for Sea-Doo applications, referenced by OEM number 420236501. Confirm your engine code and serial before ordering.

Q: When should a timing chain tensioner guide be replaced? A: Guides are commonly replaced during timing chain service or when inspection shows scoring and wear. Follow your service manual for inspection intervals.

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