Universal Air
High Pressure Switch

Universal Air SW11434C HVAC Pressure Switch

Brand Universal Air SW11434C
Product line High Pressure Switch
Fits Buick, Oldsmobile, and Pontiac · 12 vehicles

High pressure switch. Monitors system pressure for reliable HVAC control.

HVAC pressure switch. A direct functional replacement for pressure-based system control.

$31.12Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $31.12
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

High Pressure A/C Switch for GM Applications

Universal Air SW11434C is a high pressure switch for HVAC pressure control in select GM vehicles. It is listed for 1987-1988 Buick LeSabre, 1987-1988 Oldsmobile Custom Cruiser, 1987-1988 Oldsmobile Delta 88 with aftermarket style replacement A/C compressor, and 1987-1988 Pontiac Bonneville applications.

Key Features

  • HVAC pressure switch for A/C system pressure monitoring
  • Fits 1987-1988 Buick LeSabre, N/A
  • Fits 1987-1988 Oldsmobile Custom Cruiser, N/A
  • Fits 1987-1988 Oldsmobile Delta 88, N/A
  • Fits 1987-1988 Pontiac Bonneville, N/A
  • Fits 1987 Pontiac Bonneville, N/A
  • Universal Air part number SW11434C

Detailed Description

This Universal Air High Pressure Switch is a direct HVAC pressure-switch service part for vehicles using the listed A/C compressor and switch configuration. It is a practical replacement for diagnosing or restoring high-pressure cutoff control in systems on Buick LeSabre, Oldsmobile Custom Cruiser, Oldsmobile Delta 88, and Pontiac Bonneville models. This part number, SW11434C, is also the reference to use when matching the switch to the correct application.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

  • A/C compressor cycling caused by a faulty pressure switch
  • High-pressure cutoff concerns in the HVAC circuit
  • Intermittent compressor engagement on the listed GM vehicles
  • Pressure-switch related A/C performance issues
  • Replacement needs for aftermarket style replacement A/C compressor setups on select applications

Installation Notes and Tips

Verify the original switch style, connector, and system configuration before installation. Match the vehicle year, make, and model exactly to the fitment list, especially on 1987-1988 Oldsmobile Delta 88 and Pontiac Bonneville applications with aftermarket style replacement A/C compressor notes. Confirm the HVAC system is properly evacuated and serviced according to standard A/C procedures before replacing the switch.

Quality Assurance

Universal Air SW11434C is cataloged as an HVAC pressure switch for the listed applications and should be matched to the vehicle and compressor setup shown above before installation.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
1988BuickLeSabreN/AHigh Pressure Switch
1988OldsmobileCustom CruiserN/AHigh Pressure Switch
1988OldsmobileDelta 88N/AAftermarket style replacement A/C compressor; High Pressure Switch
1988PontiacBonnevilleN/AAftermarket style replacement A/C compressor; High Pressure Switch
1987BuickLeSabreEstate Wagon5.0LV8N/AHigh Pressure Switch
1987BuickLeSabreLimited3.8LV6N/AHigh Pressure Switch
1987BuickLeSabreCustom3.8LV6N/AHigh Pressure Switch
1987BuickLeSabreBase3.8LV6N/AHigh Pressure Switch
1987BuickLeSabreT-Type3.8LV6N/AHigh Pressure Switch
1987OldsmobileCustom CruiserN/AHigh Pressure Switch
1987OldsmobileDelta 88N/AAftermarket style replacement A/C compressor; High Pressure Switch
1987PontiacBonnevilleN/AHigh Pressure Switch