AR27977 Pressure Switch For John Deere

The AR27977 is an engine oil pressure switch for John Deere. It is designed to monitor the engine’s main oil galley pressure, automatically opening or closing electrical circuits to trigger dashboard warning lights or system alerts if oil pressure drops below safe levels.

Electrical Rating: 12 Volts operating voltage

Connection Type: 1-prong clamp/blade connector.

Thread Dimensions: M10x1 thread sizing

Interchangeable Part Numbers: AT85174, DZ124756, RE515669, A162297, and AF3882R.

This part has been utilized across decades of John Deere production, making it compatible with an extensive range of utility tractors, row-crop tractors, and industrial engines:

Classic / Vintage Tractors: 1020, 1030, 1520, 2020, 3010, 3020, 4010, 4020, 4320, 4520, 4620, 5010, 5020, 6030.

Modern Utility & Row-Crop Tractors: 5103, 5210, 5310, 5410, 5520, 6210M, 6230, 6330, 6430, 6630, 6930.

AR27977 Pressure Switch For John Deere

AR27977 Pressure Switch