4A91/Zhuzhou Gear Engine Reverse Light Switch B1583430A0 Original Factory Specification

Reverse light switch for cars with 4-cylinder engines in Buick, Chevrolet, Geely, etc.; OEM B1583430A0; designed per OEM spec; high-temperature plastic and copper alloy contacts; injection-molded and durable; function: connect reverse light circuit when in gear; replacement difficulty low; usually just remove old switch, tighten new part, connect harness; ensure thread sealant to prevent leaks.