Mack N/A, Fuel Injection Parts, (GOOD USED/TESTED) Ambac International Mack Type APE 63B110T-6540 Fuel Injector Pump For Sale, Part # 28GB412A, Other Part # Q4, B28.72, H1185, 63B110T/10500-6507C1C, M893, Mack Part # 313GC582P32, Serial # 447232, Stock # 5120 | Tested & Inspected!