420254882 Intake or Exhaust Valve Guide for Sea-Doo GTX LTD HO 1503 2019

Intake or Exhaust Valve Guide for Sea-Doo

This intake or exhaust valve guide, reference 420254882, guides the valve stem to keep valve motion true inside the cylinder head.

Overview

This valve guide is a replacement component for the cylinder head of Sea-Doo 1503 engines, cross-referenced to 420254882. It keeps the intake or exhaust valve aligned as it opens and closes, which helps maintain proper sealing and steady compression. It suits riders and mechanics rebuilding or refreshing a Sea-Doo GTX LTD HO top end.

Built For Performance

• Precision bore sized to the valve stem for accurate alignment
• Stamped or referenced as 420254882 for easy cross-checking
• Designed for the intake or exhaust position in the cylinder head
• Direct replacement for a worn or out-of-spec guide
• Install with a valve guide driver and ream to final clearance

Fits These Machines

• for Sea-Doo GTX LTD HO 1503, 2019

On-The-Job Use

• Top-end rebuilds after valve seat or guide wear
• Refreshing the cylinder head while the engine is out
• Correcting oil consumption or valve stem play
• Routine maintenance on high-hour 1503 engines

Specs At A Glance

Good To Know

Q: Are valve guides sold as a full set? A: This listing covers the guide as described in the title; check the quantity shown before ordering if you are replacing several positions.

Q: Does a replacement guide need machining after install? A: Guides are commonly reamed or honed to final stem clearance after pressing in, so have the head checked by a machinist.

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