420947573 Crankshaft Output Sleeve for Sea-Doo Spark 2Up HO 900 2017-2020

Crankshaft Output Sleeve for Sea-Doo

This crankshaft output sleeve is a replacement driveline component for the Spark 2Up HO 900, cross-referenced to OEM 420947573, designed to fit over the crankshaft output to support proper coupling within the engine assembly.

Overview

This crankshaft output sleeve fits the Sea-Doo Spark 2Up HO 900 and replaces OEM part 420947573. It installs at the crankshaft output to help maintain correct alignment and power delivery through the driveline. The sleeve suits owners and technicians servicing the Spark 2Up HO 900 who need a reliable replacement for a worn or damaged output sleeve.

Built For Performance

• Cross-references OEM part number 420947573
• Fits the 900 HO engine platform
• Installs at the crankshaft output location
• Built to support consistent driveline coupling
• Direct replacement for the original output sleeve

Fits These Machines

• for Sea-Doo Spark 2Up HO 900 (2017)
• for Sea-Doo Spark 2Up HO 900 (2018)
• for Sea-Doo Spark 2Up HO 900 (2019)
• for Sea-Doo Spark 2Up HO 900 (2020)

On-The-Job Use

• Crankshaft service on the Spark 2Up HO 900
• Driveline repair after wear or damage
• Engine rebuilds requiring output sleeve replacement
• Routine maintenance on 900 HO powered watercraft

Specs At A Glance

Good To Know

Q: Does this sleeve match the original part number? A: It is cross-referenced to OEM 420947573, so it is intended as a replacement for that output sleeve.

Q: Is special tooling needed for installation? A: Crankshaft output work typically calls for proper engine tools, so a qualified technician is recommended.

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