420256606 Valve Seat Sleeve for Sea-Doo RXP X 260 1503 2012-2015

Valve Seat Sleeve for Sea-Doo RXP X 260 1503

This valve seat sleeve is a replacement component for the 1503 engine used in Sea-Doo RXP X 260 watercraft, built to restore proper valve seating in the cylinder head; it cross-references OEM part number 420256606.

Overview

This valve seat sleeve replaces a worn or damaged seat in the 1503 engine cylinder head, helping maintain valve seal and compression. It suits Sea-Doo RXP X 260 1503 machines from 2012 through 2015. The valve seat sleeve matches OEM reference 420256606 for easy verification.

Built For Performance

• Cross-references OEM part number 420256606
• Machined seat surface for reliable valve contact
• Made for the 1503 engine platform
• Helps recover compression lost to seat wear
• Built to original fitment dimensions

Fits These Machines

• for Sea-Doo RXP X 260 1503 (2012-2015)

On-The-Job Use

• Cylinder head service on 1503 engines
• Top-end rebuilds after valve seat damage
• Maintenance on higher-hour PWC
• Repair work requiring OEM-equivalent fitment

Specs At A Glance

Good To Know

Q: Does this fit both the 1503 and 1630 engines? A: This listing is stated for the 1503 engine in Sea-Doo RXP X 260 machines from 2012 to 2015. Confirm your engine code before ordering.

Q: Is machining required for installation? A: Valve seat sleeves generally need precise installation and seat cutting to match valve angles. Have a qualified machinist verify the process for your head.

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