View 3 Photos View 0 Videos 3-IN-1 Tractor-Trailer Air and Electrical Connection Line Set, 12 ft, 7-WAY ABS, Part # HDX MCP312S Newly Listed $110 USD 3-in-1 air and electrical connection line set. New condition Key Specs: Part #: HDX MCP312S Type: 3-in-1 Connect Set Length: 12 ft Cord Type: 7-Way ABS Power Cord Application: Tractor to... ConditionNewPart NumberHDX MCP312SStock NumberP-105 MLS Number14666840CategoryExterior Misc. Parts Last Updated10/15/2026 LocationMonroe, NC, US Sold ByHeavy Duty Truck Repair (844) 435-___ SHOWNUMBERCall Seller Email Seller Save More Info