420254882 Intake or Exhaust Valve Guide for Sea-Doo GTR STD HO 1503 2019

Intake or Exhaust Valve Guide for Sea-Doo

This intake or exhaust valve guide for Sea-Doo keeps valves tracking straight in the cylinder head, cross-referenced to OEM part number 420254882.

Overview

This valve guide for Sea-Doo is a cylinder head component that supports the intake or exhaust valve through its full travel. It holds the valve stem on center so the valve seals correctly against the seat. It is a direct-fit replacement for owners servicing a Sea-Doo GTR STD HO 1503 from 2019.

Built For Performance

• Holds the valve stem on center through the lift cycle
• Supports consistent valve seat sealing
• Made to OEM cross-reference 420254882
• Works in intake or exhaust valve positions
• Suited to marine engine operating conditions

Fits These Machines

• for Sea-Doo GTR STD HO 1503, 2019

On-The-Job Use

• Cylinder head service on 1503 engines
• Valve guide replacement during a top-end rebuild
• Reconditioning after valve wear or heat damage
• Scheduled maintenance on personal watercraft

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: No, it is an aftermarket valve guide that cross-references OEM number 420254882, so it is not an original brand product.

Q: Does one guide cover both valve positions? A: Yes, the same guide fits intake and exhaust valve positions, so order the quantity your head service requires.

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