How to remove and replace the HVAC Pressure Switch on the Ford Mustang?

Switches and transducers are threaded onto Schrader valves, so no need to discharge the AC system. Transducers are used on V6 engine models and resemble the dual function pressure switch on V8 engine models. To replace them, unplug the electrical connector, unscrew the switch or transducer from the Schrader valve with a wrench, lubricate the switch O-ring with refrigerant oil, screw the new switch or transducer on until hand tight, then tighten with a wrench, and reconnect the electrical connector.

Genuine Ford Mustang HVAC Pressure Switch

Air Pressure Switch

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28 HVAC Pressure Switches found

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Ford Mustang Switch - Air Condition System - Vacuum
Part Number: 6F9Z-19D594-AA
$114.67 MSRP: $153.82
You Save: $39.15 (26%)
ADD TO CART
Product Specifications
- Replaces: 6L2Z-19D594-BA, F6CZ-19D594-CB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | 6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L SOHC EFI, 8 Cyl 5.4L DOHC EFI S/C ALUM, 8 Cyl 5.8L DOHC SC | 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Valve Assembly
Part Number: DS7Z-19D701-A
$4.56 MSRP: $7.27
You Save: $2.71 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2025 Ford Mustang | 4 Cyl 2.3 L GAS, 4 Cyl 2.3L TIVCT DI TC, 6 Cyl 3.7L PFI NA, 8 Cyl 5.0 L GAS, 8 Cyl 5.0L MOD DOHC SEFI NA, 8 Cyl 5.2 L GAS | 10-Speed Automatic Transmission (10R80), 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang A/C Pressure Transducer Sensor Switch
Part Number: HG1Z-19D594-A
$73.20 MSRP: $109.09
You Save: $35.89 (33%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Switch - Air Condition System - Vacuum
- Replaces: BT4Z-19D594-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2025 Ford Mustang | 4 Cyl 2.3 L GAS, 4 Cyl 2.3L TIVCT DI TC, 6 Cyl 3.7L PFI NA, 8 Cyl 4.6L SOHC EFI, 8 Cyl 5.0 L GAS, 8 Cyl 5.0L DOHC EFI Modular, 8 Cyl 5.0L MOD DOHC SEFI NA, 8 Cyl 5.2 L GAS, 8 Cyl 5.2L, 8 Cyl 5.4L DOHC EFI S/C ALUM, 8 Cyl 5.8L DOHC SC | 10-Speed Automatic Transmission (10R80), 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Valve Assembly
Part Number: 6L1Z-19D701-B
$39.53 MSRP: $58.91
You Save: $19.38 (33%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Valve Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2025 Ford Mustang | 4 Cyl 2.3 L GAS, 4 Cyl 2.3L TIVCT DI TC, 6 Cyl 3.7L PFI NA, 8 Cyl 5.0 L GAS, 8 Cyl 5.0L MOD DOHC SEFI NA, 8 Cyl 5.2 L GAS, 8 Cyl 5.2L | 10-Speed Automatic Transmission (10R80), 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Valve Assembly
Part Number: 4L3Z-19D701-A
$7.60 MSRP: $11.33
You Save: $3.73 (33%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Valve Assy
- Replaces: 4R3Z-19D701-AA, F8RZ-19D701-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2014 Ford Mustang | 6 Cyl 3.7L PFI NA, 6 Cyl 3.8L, 6 Cyl 3.8L OHV EFI, 6 Cyl 3.9L OHV EFI NA, 6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L, 8 Cyl 4.6L DOHC EFI, 8 Cyl 4.6L DOHC EFI S/C, 8 Cyl 4.6L SOHC EFI, 8 Cyl 5.0L DOHC EFI Modular, 8 Cyl 5.0L MOD DOHC SEFI NA, 8 Cyl 5.4L DOHC EFI S/C ALUM, 8 Cyl 5.8L DOHC SC | 4-Speed Automatic Transmission 4R70W (AODE), 4AT 4R70W, 4AT 4R75W, 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission (T450D), 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 5MT, 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission Tremec T56, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Valve Assembly
Part Number: E69Z-19D701-A
$4.46 MSRP: $7.27
You Save: $2.81 (39%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Valve Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996-2010 Ford Mustang | 6 Cyl 3.8L, 6 Cyl 3.8L OHV EFI, 6 Cyl 3.9L OHV EFI NA, 6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L, 8 Cyl 4.6L DOHC EFI, 8 Cyl 4.6L DOHC EFI S/C, 8 Cyl 4.6L SOHC EFI, 8 Cyl 5.4L DOHC EFI S/C ALUM, 8 Cyl 5.8L DOHC SC | 4AT 4R70W, 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 5MT, 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission (T450D), 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission Tremec T56, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Valve Assembly
Part Number: F7RZ-19D701-BA
$7.45 MSRP: $11.11
You Save: $3.66 (33%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996-2009 Ford Mustang | 6 Cyl 3.8L, 6 Cyl 3.8L OHV EFI, 6 Cyl 3.9L OHV EFI NA, 6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L, 8 Cyl 4.6L DOHC EFI, 8 Cyl 4.6L DOHC EFI S/C, 8 Cyl 4.6L SOHC EFI, 8 Cyl 5.4L DOHC EFI S/C ALUM, 8 Cyl 5.8L DOHC SC | 4AT 4R70W, 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 5MT, 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission (T450D), 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission Tremec T56, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Valve Assembly
Part Number: 6L1Z-19D701-C
$4.88 MSRP: $7.27
You Save: $2.39 (33%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2025 Ford Mustang | 4 Cyl 2.3 L GAS, 4 Cyl 2.3L TIVCT DI TC, 6 Cyl 3.7L PFI NA, 8 Cyl 5.0 L GAS, 8 Cyl 5.0L MOD DOHC SEFI NA, 8 Cyl 5.2 L GAS, 8 Cyl 5.2L | 10-Speed Automatic Transmission (10R80), 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Valve Assembly - Pressure Relief
Part Number: F65Z-19D644-AA
$45.38 MSRP: $67.64
You Save: $22.26 (33%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Valve Assy - Pressure Relief
- Replaces: F65Z-19D644-A1A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1993-2010 Ford Mustang | 4 Cyl 2.3L, 6 Cyl 3.8L, 6 Cyl 3.8L OHV EFI, 6 Cyl 3.9L OHV EFI NA, 6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L, 8 Cyl 4.6L DOHC EFI, 8 Cyl 4.6L DOHC EFI S/C, 8 Cyl 4.6L SOHC EFI, 8 Cyl 5.0L, 8 Cyl 5.4L DOHC EFI S/C ALUM, 8 Cyl 5.8L DOHC SC | 4AT 4R70W, 4AT 4R75W, 4AT A4LD, 4AT AOD, 4AT AOD-E, 4-Speed Automatic Transmission 4R70W (AODE), 5MT, 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission (T450D), 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission Tremec T56, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Mustang Switch - Air Condition System - Vacuum
Part Number: BT4Z-19D594-A
$73.20 MSRP: $109.09
You Save: $35.89 (33%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Switch - Air Condit.System - Vacuum
- Replaced by: HG1Z-19D594-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2019 Ford Mustang | 4 Cyl 2.3L TIVCT DI TC, 6 Cyl 3.7L PFI NA, 8 Cyl 4.6L SOHC EFI, 8 Cyl 5.0L DOHC EFI Modular, 8 Cyl 5.0L MOD DOHC SEFI NA, 8 Cyl 5.2L, 8 Cyl 5.4L DOHC EFI S/C ALUM, 8 Cyl 5.8L DOHC SC | 10-Speed Automatic Transmission (10R80), 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Mustang Valve Assembly
Part Number: E3EZ-19D701-AA
$4.88 MSRP: $7.27
You Save: $2.39 (33%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2014 Ford Mustang | 6 Cyl 3.7L PFI NA, 8 Cyl 4.6L SOHC EFI, 8 Cyl 5.0L DOHC EFI Modular, 8 Cyl 5.0L MOD DOHC SEFI NA, 8 Cyl 5.4L DOHC EFI S/C ALUM, 8 Cyl 5.8L DOHC SC | 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Mustang Switch - Air Condition System - Vacuum
Part Number: F3AZ-19E561-A
$33.33 MSRP: $54.00
You Save: $20.67 (39%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch - Air Condit.System - Vacuum
- Replaces: F23Z-19E561-AA, F57Z-19B968-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1994-1995 Ford Mustang | 6 Cyl 3.8L, 8 Cyl 5.0L | 4AT AOD-E, 5MT
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Ford Mustang Switch - Air Condition System - Vacuum
Part Number: YF1Z-19D594-AA
$39.16 MSRP: $58.36
You Save: $19.20 (33%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch - Air Condit.System - Vacuum
- Replaced by: 8C3Z-19D594-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2009 Ford Mustang | 8 Cyl 4.6L DOHC EFI, 8 Cyl 4.6L DOHC EFI S/C, 8 Cyl 4.6L SOHC EFI, 8 Cyl 5.4L DOHC EFI S/C ALUM, 8 Cyl 5.8L DOHC SC | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission (T450D), 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission Tremec T56, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Mustang Switch - Air Condition System - Vacuum
Part Number: F5TZ-19D594-AA
$54.09 MSRP: $86.24
You Save: $32.15 (38%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Switch - Air Condit.System - Vacuum
- Replaced by: 6L3Z-19D594-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1995-2004 Ford Mustang | 6 Cyl 3.8L, 6 Cyl 3.8L OHV EFI, 6 Cyl 3.9L OHV EFI NA | 4AT 4R70W, 4AT 4R75W, 4AT AOD-E, 4-Speed Automatic Transmission 4R70W (AODE), 5MT, 5-Speed Manual Transmission (T450D), 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission Tremec T56, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Valve Assembly
Part Number: D2OZ-19D701-A
$0.83 MSRP: $1.23
You Save: $0.40 (33%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1980-1993 Ford Mustang | 4 Cyl 2.3L, 6 Cyl 3.3L, 6 Cyl 3.8L, 8 Cyl 4.2L, 8 Cyl 5.0L | 3AT C3, 3AT C4, 3AT C5, 4AT A4LD, 4AT AOD, 4MT, 5MT
View related parts
Ford Mustang Switch - Air Condition System - Vacuum
Part Number: E35Y-19E561-A
$30.41 MSRP: $49.27
You Save: $18.86 (39%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch - Air Condit.System - Vacuum
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1982-1993 Ford Mustang | 4 Cyl 2.3L, 6 Cyl 3.3L, 6 Cyl 3.8L, 8 Cyl 4.2L, 8 Cyl 5.0L | 3AT C3, 3AT C5, 4AT A4LD, 4AT AOD, 4MT, 5MT
View related parts
Ford Mustang Valve Assembly
Part Number: F8RZ-19D701-AA
$7.60 MSRP: $11.33
You Save: $3.73 (33%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Valve Assy
- Replaced by: 4L3Z-19D701-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2004 Ford Mustang | 6 Cyl 3.8L, 6 Cyl 3.8L OHV EFI, 6 Cyl 3.9L OHV EFI NA, 8 Cyl 4.6L, 8 Cyl 4.6L DOHC EFI, 8 Cyl 4.6L DOHC EFI S/C, 8 Cyl 4.6L SOHC EFI | 4AT 4R70W, 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 5MT, 5-Speed Manual Transmission (T450D), 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission Tremec T56, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Mustang Valve Assembly - Pressure Relief
Part Number: F1CZ-19D644-A
$25.01 MSRP: $37.27
You Save: $12.26 (33%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy - Pressure Relief
- Replaces: E73Z-19D644-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1983-1992 Ford Mustang | 4 Cyl 2.3L, 6 Cyl 3.8L, 8 Cyl 5.0L | 3AT C3, 3AT C5, 4AT A4LD, 4AT AOD, 4MT, 5MT
View related parts
Ford Mustang Valve Assembly - Pressure Relief
Part Number: F3DZ-19D644-A
$20.38 MSRP: $37.27
You Save: $16.89 (46%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy - Pressure Relief
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1993-2000 Ford Mustang | 4 Cyl 2.3L, 6 Cyl 3.8L, 8 Cyl 4.6L, 8 Cyl 5.0L | 4AT 4R70W, 4AT A4LD, 4AT AOD, 4AT AOD-E, 5MT
View related parts
Ford Mustang Valve Assembly
Part Number: F4XY-19D701-A
$25.01 MSRP: $37.27
You Save: $12.26 (33%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy; Core Assembly, Expansion Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996-2000 Ford Mustang | 6 Cyl 3.8L, 8 Cyl 4.6L | 4AT 4R70W, 5MT

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1-20 of 28 Results

Ford Mustang HVAC Pressure Switch

Ford Mustang HVAC Pressure Switch safeguards the car's climate chain by acting as a precision link that lets the control module know when conditions are right to cool or heat the cabin. Small yet vital, this switch shares duty with relays and sensors in the A/C system, and any wear can cripple performance just as a bad fan or blower relay would. When the Mustang HVAC Pressure Switch fails, the module receives poor or no data, invitations to dashboard fault codes and uncomfortable interior temperatures. Replacing an aging HVAC Pressure Switch early keeps the chain strong and prevents the compressor or blower from being shut down at the worst time. Over the years the switch has appeared mainly in two styles, a single-function unit reporting pressure only and a combined A/C and heat control switch that integrates pressure feedback, with the latter adding redundancy to keep the Ford climate electronics informed. Owners notice that a responsive HVAC Pressure Switch restores quick cabin cool-down in a Ford Mustang after replacement. Despite those variations, each HVAC Pressure Switch serves the same protective purpose across generations, ensuring every Ford Mustang stays comfortable and trouble free.

We provide a wide range of Ford Mustang HVAC Pressure Switch at the optimal prices. If you need Ford Mustang HVAC Pressure Switch, you can shop with confidence on our website. All our OEM parts come with a manufacturer's warranty and are delivered to your doorstep with a fast delivery service.

Ford Mustang HVAC Pressure Switch Parts Questions & Experts Answers

Valve Assembly
4R3Z-19D701-AA
Q: How to remove and replace the HVAC Pressure Switch on the Ford Mustang?
A:
Switches and transducers are threaded onto Schrader valves, so no need to discharge the AC system. Transducers are used on V6 engine models and resemble the dual function pressure switch on V8 engine models. To replace them, unplug the electrical connector, unscrew the switch or transducer from the Schrader valve with a wrench, lubricate the switch O-ring with refrigerant oil, screw the new switch or transducer on until hand tight, then tighten with a wrench, and reconnect the electrical connector.

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