2021 GMC Sierra 2500 HD equipped with 6.6L V8 Gas OHV, 6.6L V8 Flex OHV, 6.6L V8 Diesel OHV Turbo
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SI ELEC CODE: X412 REAR FUEL TANK HARNESS TO CHASSIS HARNESS BLACK 2-WAY MALE)(W/LEADS 1.5 WIRE
2021 GMC Sierra 2500 HD equipped with 6.6L V8 Gas OHV, 6.6L V8 Flex OHV, 6.6L V8 Diesel OHV Turbo
SI ELEC CODE: X412 REAR FUEL TANK HARNESS TO CHASSIS HARNESS BLACK 2-WAY MALE)(W/LEADS 1.5 WIRE