CDI BOX Igniter fit for Ski-Doo Skandic 380 500 Safari Formula SL 420965756 S2

CDI BOX Igniter for Ski-Doo Skandic 380 500 Safari Formula SL 420965756 S2

This CDI box igniter is a replacement ignition control unit for select Ski-Doo snowmobile models, managing spark timing for reliable engine operation. It references OEM cross-reference number 420965756 S2 and is designed for the Skandic 380, Skandic 500, Safari, and Formula SL.

Overview

This CDI box igniter for Ski-Doo Skandic 380, Skandic 500, Safari, and Formula SL controls the ignition spark to keep the engine running smoothly. The CDI box replaces a worn or failed original unit, restoring proper spark timing and starting performance. It is a direct-fit component for the specified Ski-Doo machines.

Built For Performance

• Direct replacement for OEM part number 420965756 S2
• Delivers consistent spark advance for reliable operation across RPM ranges
• Encapsulated electronics protect against moisture, shock, and temperature extremes
• Uses factory-style connectors for plug-and-play installation
• Engineered to match the original ignition curve for these Ski-Doo engines

Fits These Machines

• for Ski-Doo Skandic 380
• for Ski-Doo Skandic 500
• for Ski-Doo Safari
• for Ski-Doo Formula SL

On-The-Job Use

• Replaces a failed CDI box causing no-spark, backfiring, or stalling
• Used during winter maintenance or electrical repairs on these sleds
• Ideal for utility and touring use where reliable ignition is essential

Specs At A Glance

Good To Know

Q: What are typical signs that the CDI box needs replacement? A: Symptoms include no spark, intermittent power loss, or difficulty starting when the engine is warm. Check wiring and other ignition components before replacing the CDI box.

Q: Is the installation process straightforward? A: Yes, the CDI box usually unplugs from the harness and bolts to the chassis, making replacement a simple DIY task for most owners.

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