420256606 Valve Seat Sleeve for Sea-Doo Wake 2 x 260 1503 2012

Valve Seat Sleeve for Sea-Doo

This Valve Seat Sleeve (OEM 420256606) is a replacement cylinder head component that holds the valve seat in place on Sea-Doo 1503 engines.

Overview

This Valve Seat Sleeve is a cylinder head component for Sea-Doo 1503 engines, designed to seat and stabilize the valve within the head. The valve seat sleeve helps maintain proper valve alignment and sealing, supporting consistent compression and combustion. It suits riders and mechanics servicing a Sea-Doo Wake 2 x 260 or similar 1503-equipped watercraft.

Built For Performance

• Direct replacement for OEM part number 420256606
• Engineered for the Sea-Doo 1503 four-stroke engine platform
• Helps maintain correct valve seating and alignment
• Supports reliable compression and combustion sealing
• Suited to cylinder head service and rebuild work

Fits These Machines

• for Sea-Doo Wake 2 x 260 (2012)
• for Sea-Doo models equipped with the 1503 engine

On-The-Job Use

• Cylinder head rebuilds and valve service
• Top-end engine repair on 1503-equipped watercraft
• Routine maintenance for marine mechanics and DIY owners

Specs At A Glance

Good To Know

Q: How many valve seat sleeves do I need? A: Order one for each valve position you are servicing, and check your engine's cylinder head layout before buying. Inspect the head for wear and confirm the part number matches your application.

Q: Is this an original Sea-Doo part? A: This is an aftermarket replacement valve seat sleeve made to fit the listed Sea-Doo application and OEM reference 420256606. It is not an original brand product.

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