What is the HVAC Pressure Switch on Buick Regal?

The pressure cycling switch controls the refrigeration cycle by sensing low-side pressure as an indicator of evaporator temperature. To remove the switch, disconnect the negative battery cable, unplug the electrical connector, and remove the switch and O-ring seal. To begin the installation, begin by putting in a new O-ring, lubricating it with refrigerant oil, and installing the switch. Engage the electrical connector, and connect the negative battery cable. Reset the radio, clock, and any other applicable electronic devices.

Genuine Buick Regal HVAC Pressure Switch

Air Pressure Switch

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

28 HVAC Pressure Switches found

View related parts
Buick Regal Air Conditioner Refrigerant Pressure Sensor Assembly
Part Number: 13587668
$49.67 MSRP: $101.61
You Save: $51.94 (52%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly, A/C Refrigerant Pressure
- Replaces: 13502759, 22634172, 13502758, 22678731
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2020 Buick Regal | 1SC 4 DOOR HATCHBACK, 1SL 4 DOOR HATCHBACK, 1SL 4 DOOR STATION WAGON, 1SX 4 DOOR HATCHBACK, BASE 4 DOOR HATCHBACK, BASE 4 DOOR STATION WAGON, CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXL TURBO 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.0L, 4 Cyl 2.4L, 6 Cyl 3.6L
- 2003-2004 Buick Regal | CUSTOM, GL, GLX, GS, LIMITED, LS | 6 Cyl 3.8L
View related parts
Buick Regal Core,A/C Refrigerant Service Valve
Part Number: 3041827
$7.22 MSRP: $14.06
You Save: $6.84 (49%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: CORE, A/C Compressor Oil Test
- Replaces: 24436648
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2017 Buick Regal | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXL TURBO 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.0L, 4 Cyl 2.4L
- 1988-2002 Buick Regal | 2 DOOR, 4 DOOR, CUSTOM, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GL, GLX, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, GS, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, LS, REGAL | 6 Cyl 2.8L, 6 Cyl 3.1L, 6 Cyl 3.8L
View related parts
Buick Regal Valve,A/C Compressor Pressure Relief
Part Number: 2724982
$30.22 MSRP: $89.83
You Save: $59.61 (67%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: VALVE, A/C Compressor Pressure Relief
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-2004 Buick Regal | 2 DOOR, 4 DOOR, CUSTOM, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GL, GLX, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, GS, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, LS, REGAL, STATION WAGON | 6 Cyl 2.8L, 6 Cyl 3.1L, 6 Cyl 3.8L, 6 Cyl 4.1L, 6 Cyl 4.3L Diesel, 8 Cyl 5.0L, 8 Cyl 5.7L Diesel
View related parts
Buick Regal Air Conditioner Electric Temperature and Motor Control SWITCH
Part Number: 3041336
$30.56 MSRP: $54.66
You Save: $24.10 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch,A/C Cycling & Fan Control A/C Refrigerant Pressure; Cut-Off Switch, Pressure Cycling Switch
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986-1987 Buick Regal | REGAL | 6 Cyl 3.8L
View related parts
Buick Regal Valve,A/C Refrigerant Service
Part Number: 52458184
$13.04 MSRP: $24.60
You Save: $11.56 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: VALVE, A/C Compressor Oil Test
- Replaces: 52458183
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2004 Buick Regal | CUSTOM, GL, GLX, GS, LIMITED, LS | 6 Cyl 3.8L
View related parts
Buick Regal Switch Asm,A/C Compressor High Pressure Cut Off
Part Number: 89019183
$52.40 MSRP: $98.86
You Save: $46.46 (47%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: SWITCH, A/C Compressor (Internal Parts)
- Replaces: 02724727, 02724863, 2724727, 2724863
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1995 Buick Regal | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR | 6 Cyl 3.8L
- 1988-1989 Buick Regal | CUSTOM 2 DOOR, LIMITED, REGAL | 6 Cyl 2.8L, 6 Cyl 3.1L
View related parts
Buick Regal Sensor Assembly, A/C Refrigerant Pressure
Part Number: 13587697
$35.19 MSRP: $66.41
You Save: $31.22 (48%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly, A/C Refrig Press
- Replaces: 22601618, 22654048, 22664328, 95018104, 22624066, 96345744, 96448991, 22571286
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-2002 Buick Regal | 2 DOOR, 4 DOOR, CUSTOM, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GL, GLX, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, GS, LIMITED, LIMITED 4 DOOR, LS, REGAL | 6 Cyl 3.1L, 6 Cyl 3.8L
View related parts
Buick Regal Valve Asm,A/C Refrigerant Service
Part Number: 88963179
$5.21 MSRP: $16.22
You Save: $11.01 (68%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: VALVE, A/C Compressor; Valve
- Replaces: 52456273
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989-1991 Buick Regal | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, REGAL | 6 Cyl 2.8L, 6 Cyl 3.1L, 6 Cyl 3.8L
View related parts
Buick Regal Valve Asm,A/C Compressor Control
Part Number: 2724511
$15.59 MSRP: $29.42
You Save: $13.83 (48%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: VALVE, A/C Compressor Control; Control Valve, Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2004 Buick Regal | 2 DOOR, 4 DOOR, CUSTOM, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GL, GLX, GRAN SPORT 4 DOOR, GS, LIMITED, LIMITED 4 DOOR, LS, REGAL | 6 Cyl 3.1L
- 1990-1993 Buick Regal | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR | 6 Cyl 3.1L
View related parts
Buick Regal Core Asm,A/C Refrigerant Service Valve
Part Number: 25872392
$10.53 MSRP: $19.86
You Save: $9.33 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: CORE, A/C Compressor Oil Test
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2020 Buick Regal | 1SC 4 DOOR HATCHBACK, 1SL 4 DOOR HATCHBACK, 1SL 4 DOOR STATION WAGON, 1SX 4 DOOR HATCHBACK, BASE 4 DOOR HATCHBACK, BASE 4 DOOR STATION WAGON | 4 Cyl 2.0L, 6 Cyl 3.6L
View related parts
Buick Regal Valve,A/C Compressor Pressure Relief
Part Number: 9118283
$9.92 MSRP: $18.71
You Save: $8.79 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: VALVE, A/C Compressor Pressure Relief; Pressure Relief Valve, Pressure Valve, Switch
- Replaced by: 88972205
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2017 Buick Regal | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.0L, 4 Cyl 2.4L
View related parts
Buick Regal Valve,A/C Refrigerant High Pressure Service
Part Number: 20827048
$16.78 MSRP: $31.67
You Save: $14.89 (48%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: VALVE, A/C Compressor Pressure Relief
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2020 Buick Regal | 1SC 4 DOOR HATCHBACK, 1SL 4 DOOR HATCHBACK, 1SL 4 DOOR STATION WAGON, 1SX 4 DOOR HATCHBACK, BASE 4 DOOR HATCHBACK, BASE 4 DOOR STATION WAGON, CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXL TURBO 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.0L, 4 Cyl 2.4L, 6 Cyl 3.6L
View related parts
Buick Regal Valve Assembly, A/C Refrigerant Service
Part Number: 10027604
Product Specifications
- Other Name: VALVE, A/C Compressor; Control Valve, Line Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1991 Buick Regal | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, REGAL | 6 Cyl 2.8L, 6 Cyl 3.1L, 6 Cyl 3.8L
View related parts
Buick Regal Engine Coolant Fan A/C Switch Assembly
Part Number: 10045778
Product Specifications
- Other Name: Switch Assembly, Engine Coolant Fan A/C; Fan Switch
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1991 Buick Regal | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, REGAL | 6 Cyl 2.8L, 6 Cyl 3.1L, 6 Cyl 3.8L
View related parts
Buick Regal Switch Assembly, A/C Compressor Refrigerant Pressure
Part Number: 25604949
Product Specifications
- Other Name: SWITCH, A/C Electric Temperature and Motor Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1995 Buick Regal | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, LIMITED 4 DOOR | 6 Cyl 3.8L
View related parts
Buick Regal Air Conditioner Compressor Engine Coolant Switch Assembly
Part Number: 10045794
Product Specifications
- Other Name: Switch Assembly, A/C Compressor Engine Coolant; Switch
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1991 Buick Regal | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, REGAL | 6 Cyl 2.8L, 6 Cyl 3.1L, 6 Cyl 3.8L
View related parts
Buick Regal Switch Assembly, A/C Compressor Pressure
Part Number: 52451436
Product Specifications
- Other Name: SWITCH, A/C Electric Temperature and Motor Control; Switch
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989-1993 Buick Regal | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, REGAL | 6 Cyl 2.8L, 6 Cyl 3.1L, 6 Cyl 3.8L
View related parts
Buick Regal Switch Assembly, A/C Compressor Refrigerant Pressure
Part Number: 25530593
Product Specifications
- Other Name: SWITCH, A/C Electric Temperature and Motor Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989-1992 Buick Regal | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, REGAL | 6 Cyl 2.8L, 6 Cyl 3.1L, 6 Cyl 3.8L
View related parts
Buick Regal Valve, A/C Compressor Pressure Relief
Part Number: 25886939
$43.39 MSRP: $76.11
You Save: $32.72 (43%)
Product Specifications
- Other Name: Pressure Relief Valve
- Replaces: 9194582
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2012 Buick Regal | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXL TURBO 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.0L, 4 Cyl 2.4L
View related parts
Buick Regal Valve Assembly, A/C Refrigerant Service
Part Number: 9075573
Product Specifications
- Other Name: VALVE, A/C Compressor; Liquid Line Valve, Pressure Hose Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2013 Buick Regal | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.0L, 4 Cyl 2.4L

| Page 1 of 2 |Next >

1-20 of 28 Results

Buick Regal HVAC Pressure Switch

The Buick Regal HVAC Pressure Switch safeguards the air conditioning loop by cutting power to the compressor when refrigerant pressure strays from the safe zone, stopping freeze up or blow out damage. This HVAC Pressure Switch screws into the high side line and, unlike simple relays, directly senses pressure then snaps its contacts open or closed to permit or block clutch engagement. If the HVAC Pressure Switch sticks or drifts out of spec it can mimic major failures, trigger dashboard codes, or leave the cabin sweltering or icy. Replacing the HVAC Pressure Switch early prevents that chain reaction, just as swapping a faulty ambient temperature sensor keeps climate readings honest. Over the years Buick kept to one pressure cycling design for most Regal models, so differences you might see involve connector shape or mounting thread rather than how the switch works. A fresh HVAC Pressure Switch brings factory behavior back fast, letting any Buick driver enjoy a Regal ride at a stable, comfortable temperature.

Each OEM Buick Regal HVAC Pressure Switch we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Buick Regal HVAC Pressure Switch Parts Questions & Experts Answers

Air Conditioner Electric Temperature and Motor Control SWITCH
3041336
Q: What is the HVAC Pressure Switch on Buick Regal?
A:
The pressure cycling switch controls the refrigeration cycle by sensing low-side pressure as an indicator of evaporator temperature. To remove the switch, disconnect the negative Battery Cable, unplug the electrical connector, and remove the switch and O-ring seal. To begin the installation, begin by putting in a new O-ring, lubricating it with refrigerant oil, and installing the switch. Engage the electrical connector, and connect the negative battery cable. Reset the radio, clock, and any other applicable electronic devices.

Related Buick Regal Parts

Browse by Year