Vemo V10-73-0126 HVAC Pressure Switch

HVAC Pressure Switch for Volkswagen and Audi

Vemo V10-73-0126 is an HVAC pressure switch built for vehicles that use OE number 7M3 959 139. It is a 4-pole switch with a 7/16"-20 UNF female thread and compact dimensions for direct replacement in the air conditioning pressure circuit.

Compatible With Volkswagen EuroVan, Audi TT, Audi TT Quattro, Volkswagen Cabrio, Volkswagen Golf, Volkswagen Jetta, Volkswagen Beetle, Volkswagen Passat, and Volkswagen Corrado applications that match the listed OE reference. The VEMO line focuses on application-specific replacement parts for European vehicles, and this part number is V10-73-0126.

• OE reference: 7M3 959 139
• 4-pin electrical connection
• 7/16"-20 UNF female thread
• Dimensions: 70.8 mm height, 37.4 mm length, 37.4 mm width
• Lightweight construction at 0.068 kg
• Cross-reference: Four Seasons 36499

Detailed Product Description

This HVAC pressure switch monitors refrigerant pressure in the air conditioning system and signals the control circuit when pressure conditions change. On Volkswagen Golf, Jetta, Passat, Cabrio, Corrado, EuroVan, and Audi TT or TT Quattro models listed below, the switch supports proper A/C system operation by providing the pressure input required by the vehicle’s HVAC controls. Vemo V10-73-0126 is identified for OE number 7M3 959 139 and matches the specified 4-pole connector and threaded female port.

What This Part Helps Address

• Air conditioning compressor cycling issues related to pressure signal loss
• A/C system shutdown caused by an inoperative pressure switch
• Incorrect refrigerant pressure input to the HVAC control circuit
• Intermittent cooling performance on Volkswagen and Audi vehicles
• Fault codes tied to pressure switch circuit faults

Installation Notes and Tips

Verify the OE number, connector style, thread size, and pole count before installation. Confirm the vehicle uses the listed 7/16"-20 UNF female connection and 4-pin plug, and compare the original switch dimensions to V10-73-0126. After installation, inspect the system for proper refrigerant charge and check for leaks at the pressure switch connection.

Quality Assurance

Vemo parts are cataloged as aftermarket replacement components for European vehicle applications. This part is matched to OE number 7M3 959 139 and is listed with application-specific fitment for Volkswagen and Audi HVAC systems.