420256606 Valve Seat Sleeve for Sea-Doo Fish Pro Sport 170 1630 2022-2026

Valve Seat Sleeve for Sea-Doo

This valve seat sleeve is a replacement engine component designed to support valve seating and restore proper cylinder head function, and it carries the OEM cross-reference 420256606.

Overview

This valve seat sleeve is a precision-machined component that presses into the cylinder head to give the valve a durable seating surface. Designed as a direct-fit replacement with OEM cross-reference 420256606, this valve seat sleeve helps maintain compression and valve alignment for reliable engine operation. It suits riders and mechanics servicing the Rotax 1630 engine.

Built For Performance

• Machined to OEM cross-reference 420256606 for a precise fit
• Hardened seating surface resists wear from repeated valve cycling
• Designed for the Rotax 1630 engine platform
• Pressed-in design restores the cylinder head seating surface
• Built to withstand high combustion temperatures

Specs At A Glance

Good To Know

Q: Does this fit my Sea-Doo's engine? A: This valve seat sleeve is intended for Rotax 1630 engines and carries OEM cross-reference 420256606, so match that number to your parts diagram. Confirm your model year and serial number before ordering.

Q: Should I replace more than one? A: Valve seat sleeves are typically replaced per affected cylinder during head service. Have a qualified technician assess all seats in the 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.