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

Valve Seat Sleeve for Sea-Doo

This valve seat sleeve, reference 420256606, is a replacement component for the cylinder head of Sea-Doo 1503 engines.

Overview

The valve seat sleeve is a precision-machined component that presses into the cylinder head to provide a durable sealing surface for the valve. This valve seat sleeve for Sea-Doo replaces part number 420256606 and is intended for rebuilders and owners servicing 1503 engines. Each valve seat sleeve for Sea-Doo helps restore proper valve sealing in the combustion chamber.

Built For Performance

• Direct replacement for OEM reference 420256606
• Machined to provide a stable valve sealing surface
• Designed for 1503 engine cylinder heads
• Supports proper compression and combustion sealing
• Constructed for marine engine service conditions

Fits These Machines

• for Sea-Doo Challenger SE 2 x 260, 2012
• for Sea-Doo Challenger SE 2 x 215, 2012
• for Sea-Doo 1503 engine applications

On-The-Job Use

• Cylinder head rebuilds
• Valve service and replacement
• Marine engine repair
• Top end overhaul projects

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: This is a replacement valve seat sleeve for Sea-Doo applications and is not an original brand product.

Q: How many sleeves come with one order? A: Each order includes the quantity listed, so confirm the number needed for your 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.