420256606 Valve Seat Sleeve for Sea-Doo GTI SE 1503 2006 2019

Valve Seat Sleeve for Sea-Doo GTI SE 1503

This valve seat sleeve fits the Sea-Doo GTI SE powered by the 1503 engine, serving as a replacement part carrying the OEM cross-reference 420256606.

Overview

The Valve Seat Sleeve for Sea-Doo GTI SE 1503 is a precision engine component that installs into the cylinder head to give the valve seat a durable wear surface. It is built to accept the valve face and hold up under the heat and load of the 1503 engine during normal operation. This valve seat sleeve suits riders and mechanics servicing a Sea-Doo GTI SE 1503 who need a dependable replacement for a worn or damaged original seat.

Built For Performance

• Fits the 1503 engine found in the Sea-Doo GTI SE
• Provides a stable, wear-resistant surface for the valve to seat against
• Manufactured to the OEM cross-reference 420256606 for a correct fit
• Handles the thermal demands of a high-output personal watercraft engine
• Supports proper valve sealing for consistent compression

Fits These Machines

• for Sea-Doo GTI SE 1503

On-The-Job Use

• Cylinder head service and valve train repair
• Restoring a worn or damaged valve seat
• Routine engine maintenance on the 1503 powerplant
• Rebuild and refurbishment projects

Specs At A Glance

Good To Know

Q: Does this sleeve fit my Sea-Doo GTI SE 1503? A: It is made for the 1503 engine in the Sea-Doo GTI SE. Confirm your engine and model year before ordering.

Q: Is installation a direct job? A: Valve seat sleeve work typically requires cylinder head removal and machining, so professional installation is recommended. Follow your service manual for the correct procedure.

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