420254882 Intake or Exhaust Valve Guide for Sea-Doo GTR STD 230 1503 2017-2019

Intake or Exhaust Valve Guide for Sea-Doo

This intake or exhaust valve guide, reference 420254882, keeps valve stems moving true inside the cylinder head of 1503-powered watercraft.

Overview

This valve guide is a cylinder head component that steadies the intake or exhaust valve as it opens and closes. It suits riders and mechanics servicing 1503 engines who need a dependable replacement for a worn guide. Install it as part of a top-end refresh to maintain proper valve alignment.

Built For Performance

• Fits both intake and exhaust valve positions
• Precision bore supports straight valve stem travel
• Direct cross-reference to 420254882
• Restores factory valve geometry when replacing worn guides
• Suited to 1503 engine cylinder heads

Fits These Machines

• for Sea-Doo GTR STD 230 1503, 2017-2019

On-The-Job Use

• Cylinder head rebuilds on 1503 engines
• Valve seal and guide replacement during top-end service
• Restoring valve alignment after guide wear

Specs At A Glance

Good To Know

Q: How many valve guides does one engine need? A: A 1503 cylinder head uses multiple guides, so confirm the quantity required for your rebuild before ordering. Replacing them as a set keeps valve wear even across the head.

Q: Does a new guide need machining after install? A: Valve guides are often finish-sized to the valve stem after pressing into the head. Have a machine shop check clearance if you are unsure.

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