For Polaris Sportsman 400 450 500 3087030 3084403 3085393 Starter Drive 12 Volt

Starter Drive 12 Volt for Polaris Sportsman 400 450 500

This 12 volt starter drive is a replacement unit for Polaris Sportsman 400, 450, and 500 models, cross-referencing OEM numbers 3087030, 3084403, and 3085393 to restore reliable engine cranking.

Overview

This starter drive is designed for Polaris Sportsman 400, 450, and 500 machines and delivers the torque needed to turn over the engine consistently. It serves as a direct replacement for OEM numbers 3087030, 3084403, and 3085393, making it a practical fix for a worn or slipping drive. Riders and mechanics working on these utility ATVs will find it suited to both routine repair and rebuild projects.

Built For Performance

• 12 volt operation matches the factory electrical system
• Hardened gear teeth resist wear under repeated starting cycles
• One-way clutch mechanism engages the flywheel and releases cleanly
• Cross-references OEM numbers 3087030, 3084403, and 3085393
• Sealed construction helps keep out dirt and moisture
• Direct-fit design simplifies replacement of the original drive

Fits These Machines

• for Polaris Sportsman 400
• for Polaris Sportsman 450
• for Polaris Sportsman 500

On-The-Job Use

• Replacing a starter drive that spins without engaging
• Rebuilding a starter during routine engine service
• Restoring reliable cold-start cranking on utility ATVs
• Keeping farm, ranch, and trail machines running season after season

Specs At A Glance

Good To Know

Q: How do I know the starter drive is the problem? A: A whirring or spinning sound without the engine turning over often points to a worn drive that no longer engages the flywheel.

Q: Is this a direct replacement for the OEM drive? A: Yes, it cross-references OEM numbers 3087030, 3084403, and 3085393 for a matching fit on compatible Sportsman models.

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