503-4411-592-5153 Engine ECM — Overview
This engine control module (ECM) governs fuel management, timing and fault reporting on Caterpillar electronically controlled machines. Supplied as an OEM-spec replacement, it is the drop-in brain for machines that have lost their original module to water, surge or age.
Applicable Machine Families
Typical fit is the Caterpillar electronically managed excavator and generator platforms running this control architecture. An ECM is software-bound to the host machine, so the final application must be matched by ECU calibration and the machine serial number, not by part number alone.
Maintenance & Inspection
Inspect the harness connector pins for corrosion, check the mounting seal and ground straps, and keep vents clear. Pull the fault codes with a diagnostic tool before swapping parts so a wiring or sensor issue is not masked.
Installation Notes
- Disconnect power and wait for stored charge to settle.
- Verify the ECM part number and machine serial match.
- Align the connector key, seat fully and lock the latch.
- Reinstall the sealing cover and secure the harness ties.
Reference Price
Reference price: approximately USD 180 – 980 per unit (estimate, depending on core/software state). Confirm with our sales team at order time.
Available Part Numbers
- 503-4411-592-5153
- 503-4411
- 592-5153
Also in the Contact & Control Series
Same-series, real numbers we also supply (always confirm fit and interchange against your machine): 4993120, 266-7634, YA60027152, 7835-31-1014, and more
Whether you need one unit or a fleet batch, Racer Machinery verifies every electrical component against the machine it is meant for, so you buy the right match the first time. Send your part number and model for a quote.







