420256606 Valve Seat Sleeve for Sea-Doo GTI STD 1503 2006 2019

Valve Seat Sleeve for Sea-Doo GTI STD 1503

This valve seat sleeve is a replacement engine component for Sea-Doo GTI STD 1503 watercraft, designed to restore a proper sealing surface for the valve in the cylinder head, and it cross-references OEM part 420256606.

Overview

This valve seat sleeve for Sea-Doo serves as the wear surface where the valve seats inside the cylinder head of the 1503 engine. Installing a fresh valve seat sleeve for Sea-Doo helps restore compression sealing and valve performance on the GTI STD. It suits riders and mechanics rebuilding or servicing a 1503 engine who need a dependable replacement part.

Built For Performance

• Direct replacement for OEM part number 420256606
• Designed for the 1503 engine platform
• Provides a durable valve sealing surface
• Restores proper valve seating in the cylinder head
• Constructed for marine engine conditions

Fits These Machines

• for Sea-Doo GTI STD 1503 (2006)
• for Sea-Doo GTI STD 1503 (2019)

On-The-Job Use

• Cylinder head rebuilds on the 1503 engine
• Valve service and resealing work
• Top-end engine repair on GTI STD watercraft
• Routine engine maintenance

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: No, it is a replacement valve seat sleeve made to fit the listed application and cross-references OEM 420256606. Always confirm your engine model before ordering.

Q: How many sleeves come with this listing? A: This listing covers the valve seat sleeve as described. Check your engine's requirements to determine how many you need for your rebuild.

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