Caterpillar Controller 331-7539

Caterpillar 312D 313D 319D 320D E320D Excavator C4.4 C6.6 Engine Controller 331-7539

The product you're asking about, 331-7539, is a Caterpillar Excavator Controller Computer ECM (Engine Control Module) designed 

for various Caterpillar machines. It is compatible with models such as 120M, 12M, 311D, 312D, 313D, 319D, 320D, E320D, and others. 

This ECM is specifically used in Caterpillar engines like the C4.4 and C6.6, which are found in various medium-sized excavators.

The ECM plays a critical role in regulating the engine's performance by managing fuel injection, emissions, and overall engine function 

to improve efficiency and lower emissions. It comes pre-programmed for use in these machines, making it an essential replacement 

part for maintaining optimal engine performance.

Applications

1.Compatible with Caterpillar Excavators such as 311D LRR, 312D, 313D, 314D LCR, 315D, 319D, 320D.

2.Specifically works with engines C4.4 and C6.6.

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