420855131 Intake Valve for Sea-Doo Spark 90 3Up 900 2021-2026

Intake Valve for Sea-Doo Spark 90 3Up 900

This intake valve, part number 420855131, is a replacement engine component that regulates air and fuel entering the combustion chamber on Sea-Doo Spark 90 3Up 900 models built from 2021 to 2026.

Overview

This intake valve for Sea-Doo is a direct-fit replacement engineered for the 900 ACE engine used across recent Spark 90 3Up models. The intake valve for Sea-Doo Spark 90 3Up 900 restores proper combustion and compression when the factory valve wears out. It is intended for owners and mechanics servicing the top end of 2021 through 2026 Spark 90 3Up machines.

Built For Performance

• Precision-ground valve face for a reliable seat seal
• Heat-resistant alloy built for sustained high-rpm operation
• Stem machined to OEM dimensions for correct guide fit
• Withstands continuous combustion chamber heat
• Direct replacement for part number 420855131

Fits These Machines

• for Sea-Doo Spark 90 3Up 900, 2021-2026

On-The-Job Use

• Top-end rebuilds on the 900 ACE engine
• Restoring compression after valve wear or damage
• Scheduled engine service on 2021-2026 Spark 90 3Up models
• Cylinder head work and valve clearance adjustment

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: This is an aftermarket intake valve for Sea-Doo, not an original brand component. It is manufactured to match the fit and function of the OEM part number listed.

Q: Should I replace all intake valves together? A: Replacing the full set of intake valves during a top-end rebuild is common practice. Even wear across the cylinder head reduces the chance of another teardown soon after.

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