Part Type: A/C Compressor Cut-Off Switch. 2004 Ford F-750 Engine: 6.0L V8;. 2006 Ford F-750 Engine: 6.0L V8;. 2005 Ford F-750 Engine: 6.0L V8;. System Mounted Binary Pressure Switch. Pressure Switch. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.