Universal Air SW11216C HVAC Binary Switch

Universal Air Binary HVAC Switch

The Universal Air Binary HPCO/LPCO Switch, part number SW11216C, is an HVAC pressure safety switch used in air conditioning systems that require high-pressure cutout and low-pressure cutout control. It is a direct-fit style solution for a wide range of GM vehicles, including Pontiac Bonneville, Chevrolet Impala, Buick Century, and Cadillac DeVille applications.

Use SW11216C when servicing an A/C system that needs reliable compressor protection and pressure-based cycling control. This binary HVAC switch is listed for many 1982-2005 vehicles across Pontiac, Chevrolet, Buick, Cadillac, Oldsmobile, and GMC platforms.

• Binary HPCO/LPCO switch for HVAC pressure control
• Fits a broad range of GM passenger cars and vans
• Listed for Pontiac Grand Prix, Chevrolet Camaro, Buick LeSabre, and Cadillac Eldorado applications
• Includes fitment notes for select automatic temperature control and compressor-mounting applications
• Part number SW11216C for ordering and cross-reference matching

Fitment Details

Compatible With 1982-2005 Pontiac Bonneville, Pontiac Sunfire, Chevrolet Impala, Oldsmobile Alero, Buick Century, Cadillac DeVille, Chevrolet Corvette, Pontiac Grand Prix, Chevrolet Camaro, Buick Regal, and many additional GM models listed below. Fits 1997 Pontiac Grand Prix, N/A, for vehicles equipped with Automatic Temperature Control. Fits 1986-1988 Cadillac Commercial Chassis, N/A, with Compressor Mounting.

• Fits 1985-2005 Pontiac Bonneville, N/A
• Fits 1995-2005 Pontiac Sunfire, N/A
• Fits 2000-2004 Chevrolet Impala, N/A
• Fits 1994-1996 Chevrolet Impala, N/A
• Fits 1999-2004 Oldsmobile Alero, N/A
• Fits 1985-2004 Pontiac Grand Am, N/A
• Fits 2001-2003 Buick Century, N/A
• Fits 1986-1995 Buick Century, N/A
• Fits 1994-2003 Buick LeSabre, N/A
• Fits 1991-2003 Buick Park Avenue, N/A
• Fits 1986-2003 Cadillac DeVille, N/A
• Fits 1986-2003 Cadillac Seville, N/A
• Fits 1987-2003 Chevrolet Corvette, N/A
• Fits 2001-2003 Oldsmobile Aurora, N/A
• Fits 1995-1999 Oldsmobile Aurora, N/A
• Fits 1998-2003 Pontiac Grand Prix, N/A
• Fits 1985-1996 Pontiac Grand Prix, N/A
• Fits 1986-2002 Cadillac Eldorado, N/A
• Fits 1986-2002 Chevrolet Camaro, N/A
• Fits 1986-2002 Chevrolet Cavalier, N/A
• Fits 1997-2002 Chevrolet Malibu, N/A
• Fits 1997-2002 Chevrolet Monte Carlo, N/A
• Fits 1985-2002 Pontiac Firebird, N/A
• Fits 1990-2001 Chevrolet Lumina, N/A
• Fits 1996-2000 Buick Century, N/A, OE Number 2724338
• Fits 1995-1999 Buick Riviera, N/A
• Fits 1986-1993 Buick Riviera, N/A
• Fits 1996-1999 Oldsmobile LSS, N/A
• Fits 1986-1998 Buick Skylark, N/A
• Fits 1992-1998 Oldsmobile Achieva, N/A
• Fits 1997 Pontiac Grand Prix, N/A, for vehicles equipped with Automatic Temperature Control
• Fits 1988-1996 Buick Regal, N/A
• Fits 1991-1996 Buick Roadmaster, N/A
• Fits 1989-1996 Cadillac Commercial Chassis, N/A
• Fits 1986-1996 Cadillac Fleetwood, N/A
• Fits 1987-1996 Chevrolet Corsica, N/A
• Fits 1990-1996 Chevrolet Lumina APV, N/A
• Fits 1995-1996 Oldsmobile Cutlass Ciera, N/A
• Fits 1985-1990 Oldsmobile Cutlass Ciera, N/A
• Fits 1995 Chevrolet Lumina Van, N/A
• Fits 1992-1995 Oldsmobile Silhouette, N/A
• Fits 1990 Oldsmobile Silhouette, N/A
• Fits 1990-1995 Pontiac Trans Sport, N/A
• Fits 1994 Chevrolet Astro, N/A
• Fits 1994 GMC Safari, N/A
• Fits 1986-1994 Pontiac Sunbird, N/A
• Fits 1993 Cadillac 60 Special, N/A
• Fits 1987-1993 Cadillac Allante, N/A
• Fits 1988-1993 Pontiac LeMans, N/A
• Fits 1987-1992 Cadillac Brougham, N/A
• Fits 1988-1991 Buick Reatta, N/A
• Fits 1988-1991 Oldsmobile Cutlass Calais, N/A
• Fits 1988-1991 Oldsmobile Cutlass Supreme, N/A
• Fits 1985-1991 Pontiac 6000, N/A
• Fits 1987-1991 Pontiac Tempest, N/A
• Fits 1986-1990 Chevrolet Celebrity, N/A
• Fits 1987-1990 Oldsmobile Cutlass Cruiser, N/A
• Fits 1985-1990 Oldsmobile Delta 88, N/A
• Fits 1985-1990 Oldsmobile Toronado, N/A
• Fits 1986-1989 Buick Skyhawk, N/A
• Fits 1986-1988 Cadillac Commercial Chassis, N/A, with Compressor Mounting
• Fits 1985-1988 Oldsmobile Firenza, N/A
• Fits 1985-1988 Pontiac Fiero, N/A
• Fits 1985-1987 Oldsmobile Calais, N/A
• Fits 1985-1986 Pontiac Parisienne, N/A
• Fits 1984-1985 Pontiac J2000 Sunbird, N/A
• Fits 1982-1983 Pontiac J2000, N/A

Common HVAC Issues Addressed

• Compressor cycling caused by incorrect refrigerant pressure readings
• A/C compressor shutdown from low-pressure or high-pressure protection events
• Intermittent cooling on GM HVAC systems with pressure-switch control
• Fault codes or system behavior tied to a failed binary pressure switch
• Restoration work on Pontiac, Chevrolet, Buick, Cadillac, and Oldsmobile A/C systems

Installation Notes

Verify the original switch style, connector, and application notes before installation. This part number SW11216C is listed for multiple GM platforms, including select vehicles with automatic temperature control and select Cadillac commercial chassis applications with compressor mounting. Confirm refrigerant system condition and pressure before replacing the switch.

Quality Assurance

Universal Air SW11216C is cataloged as a binary HPCO/LPCO switch for HVAC service applications. For ordering accuracy, match the part number SW11216C and the vehicle-specific fitment listing before installation.