420256606 Valve Seat Sleeve for Sea-Doo GTX 155 STD 1503 2014

Valve Seat Sleeve for Sea-Doo GTX 155 STD

This valve seat sleeve is a replacement engine component that presses into the cylinder head to give the valve a durable seating surface, and it references OEM part number 420256606.

Overview

This valve seat sleeve for Sea-Doo GTX 155 STD models supports valve train service on the 1503 engine. The valve seat sleeve for Sea-Doo helps restore proper valve sealing and compression during a top-end rebuild. It suits riders and shops repairing or refreshing the cylinder head on 2014 GTX 155 STD machines.

Built For Performance

• Direct replacement for OEM part number 420256606
• Precision-formed to seat correctly in the 1503 cylinder head
• Provides a hard, wear-resistant valve contact surface
• Helps restore valve sealing and consistent compression
• Suited to top-end rebuild and valve service work

Fits These Machines

• for Sea-Doo GTX 155 STD 1503, 2014

On-The-Job Use

• Cylinder head rebuilding on 1503 engines
• Valve train service and refresh
• Top-end repair after valve or seat wear
• Shop and DIY engine repair projects

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: This is an aftermarket valve seat sleeve that references OEM part number 420256606, not an original brand product.

Q: How many sleeves should I order? A: Order the quantity needed for the valves you are servicing in your engine, and confirm the count against your head before ordering.

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