420256606 Valve Seat Sleeve for Sea-Doo Speedster Wake 155 1503 2007

Valve Seat Sleeve for Sea-Doo

This valve seat sleeve is a replacement component for the 1503 engine, cross-referenced under part number 420256606, that presses into the cylinder head to provide a durable seating surface for the valve.

Overview

The valve seat sleeve for Sea-Doo is a precision-machined component that restores the valve seating surface inside the cylinder head of the 1503 engine. This valve seat sleeve 420256606 helps maintain proper valve sealing and compression on your watercraft. It suits riders and mechanics rebuilding or servicing the top end of a Sea-Doo 1503 engine.

Built For Performance

• Precision-machined to match the 1503 cylinder head valve seat bore
• Provides a durable seating surface for valve closure
• Cross-referenced under part number 420256606
• Designed for the Sea-Doo 1503 four-stroke engine platform
• Supports proper valve sealing and compression

Fits These Machines

• for Sea-Doo Speedster Wake 155 with 1503 engine, 2007
• for Sea-Doo Speedster Wake 215 with 1503 engine, 2009

On-The-Job Use

• Cylinder head servicing on 1503 engines
• Top-end rebuilds and valve work
• Marine engine repair shops
• DIY watercraft maintenance

Specs At A Glance

Good To Know

Q: What does a valve seat sleeve do? A: It presses into the cylinder head to give the valve a hardened, accurate seating surface so it seals properly during combustion.

Q: How many valve seat sleeves does one engine need? A: A 1503 engine uses multiple valves, so confirm the quantity required for your specific cylinder 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.