SPI Stator Assembly for Ski-Doo 2017-2020 Snowmobiles Replaces OEM # 420864420

Stator Assembly for Ski-Doo

This SPI Stator Assembly for Ski-Doo 2017-2020 Snowmobiles replaces OEM part number 420864420 and generates the electrical charge needed to power your snowmobile's ignition system and accessories. The stator assembly is a direct fit for select Ski-Doo models, restoring reliable charging performance.

Overview

The Stator Assembly for Ski-Doo snowmobiles is a high-output electrical component that recharges the battery and powers the ignition system. Designed to replace OEM # 420864420, this SPI stator assembly ensures consistent voltage output even in cold weather conditions. It is built for Ski-Doo snowmobiles from 2017 to 2020, making it a reliable drop-in replacement for worn or failed stators.

Built For Performance

• Direct OEM replacement - no modification required
• High-grade copper windings for efficient energy transfer
• Epoxy-coated core resists moisture and vibration damage
• Precision-wound for steady voltage output under load
• Includes mounting hardware and instructions

Fits These Machines

• for Ski-Doo Snowmobiles (2017-2020)

On-The-Job Use

• Trail riding and backcountry snowmobiling
• Cold-weather starting and battery maintenance
• Long-distance touring where electrical reliability is critical
• Replacing a failed stator in a snowmobile repair shop

Specs At A Glance

Good To Know

Q: Will this stator fit my 2018 Ski-Doo Summit? A: This stator assembly is designed for Ski-Doo snowmobiles from 2017-2020, but model-specific fitment may vary. Confirm your OEM part number 420864420 matches the original unit.

Q: Do I need to replace the flywheel as well? A: Typically the flywheel is reused; the stator bolts directly to the engine case. Inspect the flywheel for damage and clean the stator mounting surface before installing.

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