This 12V starter solenoid relay is a direct aftermarket replacement for Polaris Sportsman 500 HO 4X4 2003, compatible with OEM cross part numbers 3085521, 4010939 and 4011357.

Made of premium copper winding and thickened conductive contacts, it ensures smooth high-current transmission during engine cranking, solving typical faults like clicking only, intermittent start and starter not engaging. The fully sealed waterproof housing effectively blocks mud, water splash and dust, maintaining stable performance under harsh off-road conditions.

Consistent with original factory outline and mounting spacing, it supports direct bolt-on installation and quick plug connection. Easily restore reliable starting performance and normal ignition response for your Polaris ATV.