420256606 Valve Seat Sleeve for Sea-Doo GTX LTD SCIC 1503 2005 2007

Valve Seat Sleeve for Sea-Doo

This valve seat sleeve, part number 420256606, is a replacement component that fits into the cylinder head to provide a durable seating surface for the valve, helping restore proper sealing on Sea-Doo 1503 engine applications.

Overview

This valve seat sleeve is a precision-fit replacement component for Sea-Doo 1503 engine cylinder heads. It provides a hardened seating surface for the valve, helping maintain proper compression and combustion sealing. Built for riders and mechanics performing top-end service on the 1503 engine platform.

Built For Performance

• Precision-machined seating surface for consistent valve contact
• Hardened material resists wear from repeated valve cycling
• Direct replacement for OEM part number 420256606
• Designed to restore proper valve sealing and compression
• Compatible with Sea-Doo 1503 engine cylinder heads

Fits These Machines

• for Sea-Doo GTX LTD SCIC 1503 (2005)
• for Sea-Doo GTX LTD SCIC 1503 (2007)

On-The-Job Use

• Top-end engine rebuilds on 1503-equipped watercraft
• Cylinder head service and valve job procedures
• Restoring compression on high-hour engines
• Routine maintenance for performance-minded riders

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: No, this is an aftermarket valve seat sleeve made to fit Sea-Doo 1503 engines and cross-references OEM part number 420256606.

Q: How many valve seat sleeves come with this listing? A: This listing is for the valve seat sleeve as described, so confirm the quantity needed for your specific cylinder head service 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.