41-5781 Pressure Sensor Transducer for Thermo King V-Series Refrigeration Units

41-5781 Pressure Sensor Transducer for Thermo King

The 41-5781 Pressure Sensor is a replacement pressure transducer designed for Thermo King refrigeration systems. It is also identified by the part numbers 415781 and 415-781. The sensor monitors refrigerant pressure and sends a pressure signal to the refrigeration control system. This helps the system maintain stable cooling performance and supports accurate pressure monitoring.

The 41-5781 pressure transducer fits a range of Thermo King V-Series refrigeration units and selected bus air conditioning applications. Common applications include V-090, V-100, V-190, V-200, V-250, V-300, V-400, V-500, V-600, V-700, and V-800 models. Application coverage can vary by unit configuration, so buyers should verify the part number before ordering.

This pressure sensor uses a 7/16″-20 UNF female thread according to published specifications. One supplier lists its pressure range as 15–515 PSI and identifies it as a discharge pressure sensor for Thermo King equipment.

The sensor provides an important input for refrigeration system control and pressure monitoring. A worn or inaccurate pressure sensor can affect system diagnosis and cooling operation. Replacing the sensor with a correctly matched 41-5781 pressure transducer can help restore reliable pressure monitoring.

Product Specifications

Compatible Thermo King Models

• Thermo King V-090
• Thermo King V-100
• Thermo King V-190
• Thermo King V-200
• Thermo King V-250
• Thermo King V-300
• Thermo King V-400
• Thermo King V-500
• Thermo King V-600
• Thermo King V-700
• Thermo King V-800
• V-500 Spectrum
• V-Series Bus A/C

Compatibility may vary by unit configuration. Please confirm the original part number and application before ordering.

Key Features

• Direct replacement for Thermo King 41-5781.
• Cross-references 415781 and 415-781.
• Designed for high-pressure monitoring.
• Supports discharge pressure sensing.
• Features a 7/16″-20 UNF female thread.
• Suitable for selected Thermo King V-Series units.
• Suitable for selected Bus A/C applications.
• Designed for aftermarket refrigeration system maintenance.
• Helps provide accurate pressure signals to the control system.

For aftermarket replacement, customers should compare the OE part number, thread specification, pressure range, connector and application before purchase.

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