Product Overview — 7835-31-1004
Overview
ECM/Controller 7835-31-1004 is a commonly used spare part in construction machinery. We can supply all the original and replacement part numbers listed below, in stock or available on order — welcome to enquire by part number.
Applicable Models & Applications
This ECM/controller serves the control system of Komatsu machines, running the engine/electronics with matched software mapping. Suitable for the corresponding machine model and configuration — please verify the machine model, serial number and part number match before ordering.
Maintenance & Replacement
Keep ECM/controller harnesses, grounds and connectors clean and dry; diagnose by code, avoid applying supply voltage to sensors that shouldn't have it, and swap control units only with a matched part. Early signs it may need attention: Diagnostic codes that return on a healthy circuit, or an ECM that goes uncommunicative after a voltage spike; Intermittent loss of a function that tracks heat, vibration or a damaged connector; A burnt pin or solder joint on the module, often from overcurrent or water ingress.
Installation Essentials
Confirm the part number against your machine model and serial number before ordering. Work on a clean machine, with the engine off and the relevant system depressurised or drained first. Fit new seals, gaskets or O-rings and torque every fastener to the manual's figure. After installation, run the machine and check for leaks, unusual noise or abnormal travel before returning it to service, and retighten where the manual calls for it after the first hours of operation.
Reference Price
The reference price for this ECM/Controller (listed under 7835-31-1004) is approximately USD 135 – 290 per unit, depending on configuration, quantity and shipping destination. This is an estimate for planning purposes — please confirm current pricing and availability with our sales team before ordering.
Available Part Numbers
- 7835-31-1004
Also in the ECM/Controller Series
Same-series, real numbers we also supply (always confirm fit and interchange against your machine): 7835-31-1003, 7835-31-1008, 7835-31-1009, 7835-31-1010, 7835-31-1012
Whether you need one unit or a fleet batch, Racer Machinery verifies every ECM/Controller against the machine it is meant for, so you buy the right match the first time. Send us your part number and machine model for a quote.
