To ensure reliability, purchase GM part # 12126437 Connector, W/Leads, 12-Way F. *Gray. It is sometimes referred to as GM Chassis Wiring Harness Connector. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Chevrolet K2500, K3500, P30 models. It fits GMC C2500, C3500, Suburban.
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