2003 GMC C4500 Topkick Engine Control Modules
Save up to 40% on original replacement 2003 GMC C4500 Topkick Engine Control Modules. Navigate our online catalogue to find Engine Control Modules and other parts designed specifically to fit a 2003 GMC C4500 Topkick.






Engine Control Module
Condition: Remanufactured
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
without Interim Control (CTF) Important: Vehicle Specific Flash Programming Required ON or OFF the Vehicle. Accurate VIN and Mileage are Required Important: Vehicle Specific On-Car Programming must be Performed AFTER Installation to Prevent Drivability and Starting Issues
without Interim Control (CTF) Important: Vehicle Specific Flash Programming Required ON or OFF the Vehicle. Accurate VIN and Mileage are Required Important: Vehicle Specific On-Car Programming must be Performed AFTER Installation to Prevent Drivability and Starting Issues





Engine Control Module
Condition: Remanufactured
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
with Original Equipment (OE) # 12210729 Important: Vehicle Specific Flash Programming Required ON or OFF the Vehicle. Accurate VIN and Mileage are Required Important: Vehicle Specific On-Car Programming must be Performed AFTER Installation to Prevent Drivability and Starting Issues
with Original Equipment (OE) # 12210729 Important: Vehicle Specific Flash Programming Required ON or OFF the Vehicle. Accurate VIN and Mileage are Required Important: Vehicle Specific On-Car Programming must be Performed AFTER Installation to Prevent Drivability and Starting Issues