420254882 Intake or Exhaust Valve Guide for Sea-Doo RXT 1503 2005-2006

Intake or Exhaust Valve Guide for Sea-Doo RXT 1503

This intake or exhaust valve guide, OEM cross-reference 420254882, is a replacement engine component that keeps valve stems aligned inside the cylinder head of Sea-Doo RXT 1503 watercraft.

Overview

This valve guide is a precision-fit engine part made to replace worn or damaged guides in the 1503 engine used in Sea-Doo RXT models from 2005 to 2006. The valve guide holds each valve stem on its correct axis so the valve seats squarely and combustion stays sealed. It is a direct replacement component for rebuilders, marine mechanics, and owners restoring top-end performance.

Built For Performance

• OEM cross-reference 420254882 for accurate replacement matching
• Precision bore keeps valve stems aligned for consistent sealing
• Fits both intake and exhaust valve positions on the 1503 engine
• Constructed for the heat and load of marine four-stroke operation
• Suits top-end rebuilds, valve jobs, and cylinder head service

Fits These Machines

• for Sea-Doo RXT with 1503 engine, 2005 to 2006

On-The-Job Use

• Top-end engine rebuilds on Sea-Doo RXT watercraft
• Cylinder head reconditioning and valve guide replacement
• Restoring compression and valve sealing after wear
• Routine engine service for 2005 to 2006 1503 powerplants

Specs At A Glance

Good To Know

Q: Can this guide be used for both intake and exhaust valves? A: Yes, this guide is listed for both intake and exhaust valve positions on the 1503 engine. Confirm the position and quantity needed for your cylinder head before ordering.

Q: Does installing a new valve guide require machining? A: Valve guides are typically pressed in and may need reaming or honing to reach the correct stem clearance. Have a qualified marine machinist check clearance after installation.

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