420855131 Intake Valve for Sea-Doo Spark 2Up HO 900 2015-2026

Intake Valve for Sea-Doo Spark 2Up HO 900

This intake valve, part number 420855131, is a replacement engine component that controls the air and fuel charge entering the combustion chamber on your Sea-Doo Spark 2Up HO 900.

Overview

This intake valve is a direct-fit engine component built to keep the 900 ACE engine in your Sea-Doo Spark 2Up HO breathing properly. It seals against the valve seat on every cycle to regulate the incoming charge, helping the engine hold compression and run clean. A smart pick for riders doing their own top-end service or refreshing a high-hour Spark.

Built For Performance

• Constructed from heat-resistant alloy steel for sustained high-rpm operation
• Precision-ground stem and face for a consistent seal against the valve seat
• Designed to match the original 420855131 fitment and dimensions
• Withstands the combustion temperatures and cylinder pressures of the 900 ACE engine
• Sold as a single valve for targeted replacement during a top-end rebuild

Fits These Machines

• for Sea-Doo Spark 2Up HO 900 (2015-2026)

On-The-Job Use

• Top-end rebuilds on high-hour Spark 900 ACE engines
• Replacing a burnt, bent, or poorly sealing intake valve
• Routine valve service alongside lapping and seat inspection
• Cylinder head refresh before the riding season starts

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: No, this is an aftermarket intake valve made to fit Sea-Doo Spark 2Up HO 900 models and cross-references the 420855131 part number.

Q: How many valves come in one order? A: This listing is for a single intake valve, so order the quantity you need for your cylinder head service.

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