GMC C3500 Engine Control Modules
This page brings together engine control modules for the GMC C3500, covering model years 1979–2000, including remanufactured and performance options across both Engine Control Modules and Engine Control Module PROMs. Choose your model year above and this page keeps only the engine control modules that fit your GMC C3500. Each listing is matched to our vehicle fitment data before it appears here.
What's here for your GMC C3500
- Engine Control Modules — remanufactured and performance variants
- Engine Control Module PROMs — calibration units that work alongside the ECM
The widest selection here comes from Standard Motor Products, Cardone, Blue Streak, and Jet, offering a range of remanufactured and performance-oriented options across both part types. Other categories GMC C3500 owners shop for: GMC C3500 Coolant Hoses and Pipes, GMC C3500 Exterior Lights and GMC C3500 Springs and Suspension Parts, or browse all GMC C3500 parts and accessories.