Check the listing for details. PACCAR MX-13 Connecting Rod Part Number 78378. Condition: Used. Listed at 82.71 USD. Part Type: Connecting Rod Make: PACCAR Model: MX-13 Part Number: 78378 Condition: RETAIL Our Number for Reference: 1066996 Part #: 78378 Fractured / Machine: I, X or H Type: Good used, cleaned and inspected Paccar MX-13 connecting rod. Part number: 78378.