Diagnostic Cable For Paccar MX13 EPA21 ECM & Commercial / Heavy Duty Vehicles
For Paccar MX13 EPA21 ECM. For Kenworth: T680, T880, W990 (Models with MX13 EPA21 Engine). For Peterbilt: 579, 567, 589 (Models with MX13 EPA21 Engine). This cable is designed for EPA21 compliant ECMs.