420256606 Valve Seat Sleeve for Sea-Doo Wake 2 x 155 1503 2012

Valve Seat Sleeve for Sea-Doo Wake 2 x 155 1503

This valve seat sleeve is a replacement engine component for the 1503 four-stroke powerplant, designed to restore a proper sealing surface for the valve in the cylinder head. It cross-references OEM part number 420256606.

Overview

This valve seat sleeve is a precision engine component for the Sea-Doo Wake 2 x 155 equipped with the 1503 engine. The valve seat sleeve renews the valve seating surface inside the cylinder head so the valve can seal compression and manage combustion gases correctly. It suits riders and mechanics rebuilding or refreshing a 2012 1503 engine.

Built For Performance

• Precision machined seating surface for consistent valve sealing
• Constructed to withstand high combustion temperatures
• Direct replacement for OEM part number 420256606
• Designed for the 1503 four-stroke engine platform
• Restores valve sealing in a rebuilt or refreshed cylinder head

Fits These Machines

• for Sea-Doo Wake 2 x 155 with the 1503 engine
• for Sea-Doo models running the 1503 engine, model year 2012

On-The-Job Use

• Cylinder head rebuilds and top-end service
• Replacing worn or damaged valve seats
• Engine reassembly during a full overhaul
• Compression restoration on the 1503 platform

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: This is a replacement valve seat sleeve made for Sea-Doo applications and cross-references OEM number 420256606. Confirm it matches your engine before ordering.

Q: Can I install this myself? A: Valve seat sleeve installation requires machining and precise fitting, so a qualified engine machinist or mechanic should handle it. Incorrect installation can damage the cylinder head.

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