OrderECM's All Caterpillar Products collection is the full CAT catalogue — 89 parts spanning Engine Control Modules (ECM/ECU), fuel injectors, turbochargers, fuel injection pumps, machine and transmission controllers, and marine displays, covering Caterpillar's full diesel lineup from the 3100/3400-series through the C-series (C6.4 to C32) and ADEM II/III/A4/4 control platforms.
Whether you're sourcing a 3126 ECM for a delivery truck, a C9.3 controller for an excavator, or a 793-series mining truck control module, every listing states condition clearly (New, Reman, or Used) and includes the part number and cross-references needed to verify fitment against your engine's ESN via Caterpillar SIS before ordering. CAT Reman units (10R/20R-prefix) are factory-rebuilt to OEM spec; New units ship sealed in original packaging.
Shop CAT ECM by Engine Family
- Caterpillar ECM — All Models
- C7 / 3126 ECM
- C9 / C9.3 ECM
- C10 / C12 ECM
- C13 / C15 ECM
- C6.4 / C6.6 ECM
- 3406 ECM
- Generator ECM
Specialty & Machine-Specific Controllers
- Skid Steer ECM
- Machine ECM (A4E4V2)
- Off-Highway / Mining Truck ECM
- 3056E ECM
- Equipment ECM (ADEM IV E1)
- Excavator Electronic Control
Other CAT Parts
- Caterpillar Controls — transmission & machine controllers, marine displays
- Caterpillar Fuel Injectors
- Caterpillar Turbochargers
- Caterpillar Fuel Injection Pumps
365-day replacement warranty · Free worldwide shipping · ESN verification service available