420254882 Valve Guide for Sea-Doo GTI STD 155 1503 2017 Intake Exhaust

Intake or Exhaust Valve Guide for Sea-Doo GTI STD 155 1503

This intake or exhaust valve guide, OEM cross-reference 420254882, keeps valve stems aligned inside the cylinder head of the 1503 engine.

Overview

This valve guide is a replacement component for the 1503 engine found in the Sea-Doo GTI STD 155. It holds the intake or exhaust valve stem on its correct axis so the valve seats squarely and seals combustion pressure. It suits riders and shops servicing a 2017 Sea-Doo GTI STD 155 1503.

Built For Performance

• Precision bore for consistent valve stem clearance
• Guides intake or exhaust valves on the 1503 engine
• Direct cross-reference to OEM part 420254882
• Stable material for repeat heat cycles in the cylinder head
• Sold individually for targeted replacement

Fits These Machines

• for Sea-Doo GTI STD 155 1503, 2017

On-The-Job Use

• Cylinder head rebuilds on the 1503 engine
• Valve seal and seat service
• Top end refresh on the Sea-Doo GTI STD 155
• Shop repair work on 2017 model units

Specs At A Glance

Good To Know

Q: Does this fit both intake and exhaust positions? A: This guide serves the intake or exhaust valve location on the 1503 engine, so confirm your specific position and clearance needs before installation.

Q: How many should I order? A: This listing is for one valve guide, so count the positions you are servicing and order the matching quantity for your cylinder head job.

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