Universal Air SW9951C HVAC Pressure Transducer

HVAC Pressure Transducer for OE-Style A/C Control

Universal Air SW9951C is an HVAC pressure transducer used in vehicle air conditioning systems to monitor refrigerant pressure and send the signal needed for proper system control. It is a direct-fit style replacement for a wide range of GM, Saab, Saturn, Pontiac, Buick, Cadillac, Chevrolet, GMC, and Fiat applications.

Fits 2012-2019 Fiat 500, N/A and fits 1994-2004 Chevrolet Corvette, N/A, along with many other applications listed below. The SW9951C is also referenced for OE number 95018104 on select vehicles.

Key Features

• HVAC pressure transducer for refrigerant pressure monitoring
• Universal Air Pressure Transducer line
• Part number SW9951C for catalog and service matching
• OE number 95018104 reference on select applications
• Fits a broad range of GM, Saab, Saturn, Pontiac, Buick, Cadillac, Chevrolet, GMC, Isuzu, and Fiat vehicles

Fitment Highlights

• Fits 2012-2019 Fiat 500, N/A
• Fits 2010-2011 Chevrolet Aveo, N/A
• Fits 2000-2011 Saab 9-3, N/A
• Fits 2006-2009 Chevrolet Equinox, N/A
• Fits 2002-2005 Chevrolet Trailblazer, N/A
• Fits 1996-2003 Chevrolet S10, N/A, with Round Connector; with 3 Terminals
• Fits 1997-2002 Chevrolet Malibu, N/A, with Round Connector; with 3 Terminals
• Fits 1995-2002 Pontiac Grand Am, N/A
• Fits 1996-2002 Buick LeSabre, N/A
• Fits 1994-2004 Chevrolet Corvette, N/A

What It Is Used For

• Restoring A/C pressure signal accuracy
• Addressing compressor cycling concerns caused by faulty pressure input
• Correcting HVAC system behavior tied to pressure sensor failure
• Replacing a damaged or aging transducer on supported vehicles
• Supporting proper refrigerant pressure monitoring in the HVAC circuit

Installation Notes and Tips

Verify the connector style and terminal count before ordering, especially on applications noted with a round connector and 3 terminals. Confirm the OE number 95018104 where listed, and match the vehicle year, make, and model exactly to the fitment table. Part number SW9951C should be checked against the original sensor before installation.

Quality Assurance

Universal Air SW9951C is cataloged as an HVAC pressure transducer for direct application matching across the listed vehicles. Use the fitment notes and OE reference to confirm the correct replacement before service.