RE212878 Pressure Sensor John Deere (Help Parts)
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RE212878 – Transmission Pressure Switch (pressure switch / clutch pressure switch), John Deere
RE212878 is a pressure switch that monitors oil pressure in the transmission/clutch of John Deere tractors. It prevents system damage and signals low pressure.
Characteristics:
Purpose: monitoring oil pressure in the transmission/clutch, controlling signals or disabling functions
Threaded connection
Compact size: diameter ~23 mm, body length ~65 mm, length with cable ~205 mm, weight ~56 g
Operating temperature: standard for JD transmission
Original JD number: RE212878. Also replaces RE165048, RE190351, RE69674
Compatibility:
Fits a wide range of John Deere equipment, including:
Tractors: series 6R (e.g., 6100-6630, 6920-7930), models 1654, 1854, 2044M, 2104, 2204
Connects: 2054 etc.
Also referenced for compatibility with other models via replacements RE190351 and RE165048
Advantages:
Guaranteed precision of operation and long lifespan
Protection for transmission/clutch: eliminates low pressure operation, reducing the risk of failure
Wide compatibility: fits both new and refurbished equipment
Summary:
RE212878 is an important component of the hydraulic and transmission system of John Deere, responsible for oil pressure control.

