420855131 Intake Valve for Sea-Doo GTI P SE 90 900 2018

Intake Valve for Sea-Doo

This intake valve for Sea-Doo personal watercraft, OEM cross-reference 420855131, controls the flow of the air and fuel mixture into the engine during the intake stroke.

Overview

This intake valve for Sea-Doo is a replacement engine component designed to seat properly in the cylinder head and manage air and fuel entry. Built to OEM specifications matching part number 420855131, this intake valve for Sea-Doo helps restore proper compression and combustion in your watercraft's engine. It suits riders and mechanics performing a top-end rebuild or replacing a worn or burnt valve.

Built For Performance

• Manufactured to match OEM 420855131 dimensions for correct fitment
• Precision-ground valve face for a clean seal against the valve seat
• Heat-resistant construction suited to sustained engine temperatures
• Direct replacement for a worn, bent, or burnt original valve
• Designed for the 900 engine platform
• Supports proper compression and combustion during the intake stroke

Fits These Machines

• for Sea-Doo GTI P SE 90 900, 2018

On-The-Job Use

• Top-end engine rebuilds on 900 platform personal watercraft
• Replacing a burnt or compression-loss valve
• Routine maintenance during cylinder head service
• Restoring engine performance after valve damage

Specs At A Glance

Good To Know

Q: Does this valve fit both the GTI P SE and other 900 models? A: This valve is listed for the Sea-Doo GTI P SE 90 900, 2018, so confirm your model and serial number before ordering. Fitment can vary across years and trims.

Q: Should intake valves be replaced in sets? A: Many builders replace all valves together during a rebuild to keep wear even across the cylinder head. Always check valve clearances and seating after installation.

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