420256606 Valve Seat Sleeve for Sea-Doo GTI SE 130 1630 2020-2026

Valve Seat Sleeve for Sea-Doo

This valve seat sleeve is a replacement engine component that presses into the cylinder head to provide a durable seating surface for the valve, referencing OEM part number 420256606.

Overview

This valve seat sleeve for Sea-Doo is a precision-fit engine component that restores the valve seating surface inside the cylinder head. The valve seat sleeve for Sea-Doo helps maintain proper valve sealing and compression on 1630 engine platforms. It is intended for riders and mechanics rebuilding or refreshing the top end of their watercraft engine.

Built For Performance

• Precision-formed to match the OEM 420256606 seat profile
• Durable metal construction built to withstand combustion heat
• Provides a stable sealing surface for valve closure
• Designed for press-fit installation into the cylinder head
• Sold as a single replacement sleeve

Fits These Machines

• for Sea-Doo GTI SE 130 with 1630 engine, 2020-2026

On-The-Job Use

• Cylinder head rebuilds and valve jobs
• Top-end engine refresh on 1630-powered watercraft
• Restoring valve sealing after wear or damage
• Professional and DIY engine repair projects

Specs At A Glance

Good To Know

Q: Does this include the valve itself? A: No, this listing covers the valve seat sleeve only, so valves and other hardware must be sourced separately. Q: Is professional installation recommended? A: Yes, pressing in a valve seat sleeve requires machining and specialty tools, so a qualified engine shop is advised.

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