Remove the old Monitor. Install the main body of the Monitor. AC Compressor. Application fits Model Replaces Part Number: 539-00076B, 539-00076E, 539-00076, 539-00076C, 539-00076G, 300426-00174, 300426-00007, 300426-00012, 53900076B, 53900076E, 53900076, 53900076C, 53900076G,30042600174, 30042600007, 30042600012.
