What is the Pressure Cycling Switch?

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

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28 HVAC Pressure Switches found

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Buick Regal Valve,A/C Compressor Pressure Relief
Part Number: 2724982
- Other Name: VALVE, A/C Compressor Pressure Relief
$37.73 MSRP: $89.83
You Save: $52.10 (58%)

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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
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Buick Regal Air Conditioner Electric Temperature and Motor Control SWITCH
Part Number: 3041336
- Other Name: Switch,A/C Cycling & Fan Control A/C Refrigerant Pressure; Cut-Off Switch, Pressure Cycling Switch
$28.97 MSRP: $54.66
You Save: $25.69 (47%)

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Fits the following Vehicles:
1986-1987 Buick Regal | REGAL | 6 Cyl 3.8L
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Buick Regal Engine Coolant Fan A/C Switch Assembly
Part Number: 10045778
- Other Name: Switch Assembly, Engine Coolant Fan A/C; Fan Switch
$12.60 MSRP: $25.94
You Save: $13.34 (52%)

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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
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Buick Regal Air Conditioner Compressor Engine Coolant Switch Assembly
Part Number: 10045794
- Other Name: Switch Assembly, A/C Compressor Engine Coolant; Switch
$32.14 MSRP: $76.51
You Save: $44.37 (58%)

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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
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Buick Regal Air Conditioner Refrigerant Pressure Sensor Assembly
Part Number: 13587668
- Other Name: Sensor Assembly, A/C Refrigerant Pressure
- Replaces: 22634172, 13502758, 22678731, 13502759
$44.51 MSRP: $93.49
You Save: $48.98 (53%)

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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
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Buick Regal Core,A/C Refrigerant Service Valve
Part Number: 3041827
- Other Name: CORE, A/C Compressor Oil Test
- Replaces: 24436648
$7.45 MSRP: $14.06
You Save: $6.61 (48%)

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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
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Buick Regal Valve,A/C Refrigerant Service
Part Number: 52458184
- Other Name: VALVE, A/C Compressor Oil Test
- Replaces: 52458183
$5.97 MSRP: $11.24
You Save: $5.27 (47%)

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Fits the following Vehicles:
1998-2004 Buick Regal | CUSTOM, GL, GLX, GS, LIMITED, LS | 6 Cyl 3.8L
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Buick Regal Sensor Assembly, A/C Refrigerant Pressure
Part Number: 13587697
- Other Name: Sensor Assembly, A/C Refrig Press
- Replaces: 22654048, 22601618, 22664328, 95018104, 22624066, 96448991, 96345744, 22571286
$31.57 MSRP: $59.57
You Save: $28.00 (48%)

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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
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Buick Regal Switch Asm,A/C Compressor High Pressure Cut Off
Part Number: 89019183
- Other Name: SWITCH, A/C Compressor (Internal Parts)
- Replaces: 2724727, 2724863, 02724863, 02724727
$39.36 MSRP: $93.72
You Save: $54.36 (59%)

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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
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Buick Regal Switch Assembly, A/C Compressor Pressure
Part Number: 52451436
- Other Name: SWITCH, A/C Electric Temperature and Motor Control; Switch
$32.59 MSRP: $40.08
You Save: $7.49 (19%)

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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
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Buick Regal Valve Asm,A/C Refrigerant Service
Part Number: 88963179
- Other Name: VALVE, A/C Compressor; Valve
- Replaces: 52456273
$6.05 MSRP: $16.22
You Save: $10.17 (63%)

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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
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Buick Regal Switch Assembly, A/C Compressor Refrigerant Pressure
Part Number: 25530593
- Other Name: SWITCH, A/C Electric Temperature and Motor Control
$17.60 MSRP: $35.99
You Save: $18.39 (52%)

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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
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Buick Regal Valve Asm,A/C Compressor Control
Part Number: 2724511
- Other Name: VALVE, A/C Compressor Control; Control Valve, Valve
$16.40 MSRP: $29.42
You Save: $13.02 (45%)

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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
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Buick Regal Core Asm,A/C Refrigerant Service Valve
Part Number: 25872392
- Other Name: CORE, A/C Compressor Oil Test
$8.69 MSRP: $16.40
You Save: $7.71 (48%)

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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
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Buick Regal Valve,A/C Refrigerant High Pressure Service
Part Number: 20827048
- Other Name: VALVE, A/C Compressor Pressure Relief
$15.59 MSRP: $29.43
You Save: $13.84 (48%)

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More Info
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
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Buick Regal Valve,A/C Compressor Pressure Relief
Part Number: 9118283
- Other Name: VALVE, A/C Compressor Pressure Relief; Pressure Relief Valve, Pressure Valve, Switch
- Replaced by: 88972205
$9.92 MSRP: $18.71
You Save: $8.79 (47%)

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More Info
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
Less Info
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Buick Regal Valve, A/C Compressor Pressure Relief
Part Number: 25886939
- Other Name: Pressure Relief Valve
- Replaces: 9194582
$35.28 MSRP: $74.11
You Save: $38.83 (53%)

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More Info
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
Less Info
View related parts
Buick Regal Switch Assembly, A/C Compressor Refrigerant Pressure
Part Number: 25604949
- Other Name: SWITCH, A/C Electric Temperature and Motor Control
More Info
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
Less Info
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Buick Regal SWITCH ASM
Part Number: 1608995
- Other Name: SWITCH
More Info
Fits the following Vehicles:
1982 Buick Regal | 2 DOOR, 4 DOOR, STATION WAGON | 8 Cyl 5.7L Diesel
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Buick Regal Switch Assembly, A/C Cut, Off Trans Override
Part Number: 14057562
- Other Name: SWITCH, A/C Electric Temperature and Motor Control
More Info
Fits the following Vehicles:
1982-1984 Buick Regal | 2 DOOR, 4 DOOR, STATION WAGON | 6 Cyl 3.8L, 6 Cyl 4.1L, 6 Cyl 4.3L Diesel, 8 Cyl 5.7L Diesel
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Buick Regal HVAC Pressure Switch Parts Questions & Answers

Valve,A/C Compressor Pressure Relief
2724982
Q: What is the Pressure Cycling Switch?
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.

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