Caterpillar 3176 ECM 7LG Repair Service | Part# OR6347-01

Send us your Caterpillar 3176 Engine Control Module (ECM) and receive it fully reconditioned, tested, and ready to be reinstalled on the exact engine it came from — saving you the time and cost of programming a new unit. Our CAT ECM rebuild service is trusted by fleets and owner-operators across the USA.

Compatible Part Numbers: 0R6347-01 | 0R6132-00 | 0R634701 | 0R613200 | OR6860-00 | 0R6302-00 | 116-1407-00 | 10384150 | 10R-5886

We diagnose the unit first. If it is not repairable or no fault is found, the diagnostic fee is $350 plus return shipping.

About the Caterpillar 3176 ECM 7LG Module

The Caterpillar 3176 is a high-performance engine widely used in heavy-duty trucks and industrial equipment. The CAT ECM (Engine Control Module) is the brain of the engine, managing fuel delivery, diagnostics, and protection systems. The 7LG prefix identifies the ECM used in 3176 engines manufactured from 1991 to 1993.

Key Features of the 7LG ECM

Engine Protection: Overspeed protection, low oil pressure shutdown, and high coolant temperature shutdown.
Diagnostic Capabilities: Built-in basic diagnostics; advanced faults may require additional tooling.
Fuel Efficiency: Optimized through regular maintenance and proper calibration.
Compatibility: Specific to the Caterpillar 3176 engine — not interchangeable with other CAT models.

Compatible Models for Part# 10R-5886

Caterpillar Truck Engine: 3176
Challenger: 75C, 75
Track-Type Loader: 953

Common ECM Problems We Fix

Blowing fuses
No communication or no power
Engine shutting down unexpectedly
Active fault codes stored in the unit
Intermittent electrical faults
Oil or water intrusion damage
Injector driver circuit failures

How the CAT ECM Rebuild Process Works

4 Simple Steps

Ship your ECM to our facility using any carrier.
We diagnose the unit and identify all faults.
We repair and test the Engine Control Module using the latest simulation technology.
We return your ECM fully reconditioned and ready to install.

Why Choose ECM Engineering USA to Fix Your ECM?

✅ Over 15 years of experience in CAT ECM rebuilding
✅ More than 10,000 Engine Control Modules successfully repaired
✅ Latest simulation and bench-testing technology
✅ 1-Year Warranty on all repair services
✅ Free technical consultation before you ship

Have questions before sending your unit? Contact us — our engineering team is happy to discuss the faults you are experiencing and confirm repairability.

ECM Engineering USA | ECM Repair USA