How to Service and Repair A/C Compressor Cut-Out Switches on Ford Mustang?

Service of the refrigerant pressure sensor and pressure cutoff switch requires disconnecting the breather component and electrical connector of the mass air flow sensor followed by removing the outlet tube from the air cleaner. The service begins with removing the air cleaner outlet tube through clamp release and crankcase ventilation tube disconnect. Using the following order disconnect the electrical connector then take off the A/C pressure cut-off switch after disconnecting the air cleaner outlet tube. Reverse the installation steps by first sealing the O-ring with PAG Compressor Oil or YN-12c or F7AZ-19589-DA or an equivalent compatible with Ford specification WSH-M1C231-B.

OEM Ford Mustang A/C Compressor Cut-Out Switches

HVAC Cut-Out Switch

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5 A/C Compressor Cut-Out Switches found

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Ford Mustang Pressure Switch
Part Number: 8C3Z-19D594-A
$31.65 MSRP: $50.25
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Product Specifications
- Other Name: Switch - Air Conditioning System; A/C Refrigerant Pressure Sensor; A/C Clutch Cycle Switch; HVAC Switch; Cut-Off Valve; High Pressure Cut-Off Switch; Switch
- Replaces: YF1Z-19D594-AA, 4C2Z-19D594-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2009 Ford Mustang | GT, GT Bullitt, Mach 1, SVT Cobra, SVT Cobra 10th Anniversary | 8 Cyl 4.6 L GAS
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Ford Mustang Pressure Switch
Part Number: 6L3Z-19D594-A
$52.41 MSRP: $86.24
You Save: $33.83 (40%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Switch - Air Conditioning System; A/C Refrigerant Pressure Sensor; A/C Clutch Cycle Switch; HVAC Switch; Cut-Off Valve; High Pressure Cut-Off Switch; Pressure Cut-Off Switch; Switch
- Replaces: F5TZ-19D594-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2004 Ford Mustang | Base | 6 Cyl 3.8 L GAS, 6 Cyl 3.9 L GAS
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Ford Mustang Pressure Switch, Front
Part Number: 6F9Z-19D594-AA
$81.96 MSRP: $132.24
You Save: $50.28 (39%)
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Product Specifications
- Other Name: Switch - A/C System - Vacuum; A/C Safety, Compressor, Trinary Switches; HVAC Pressure, System Switches; A/C Switch; Cut-Off Valve; High Pressure Cut-Off Switch; Clutch Cycling Switch; Pressure Switch
- Position: Front
- Replaces: F6CZ-19D594-CB, 6L2Z-19D594-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | Base, Bullitt, GT, Shelby GT, Shelby GT500, Shelby GT500KR | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L GAS
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Ford Mustang Pressure Switch
Part Number: HG1Z-19D594-A
$65.37 MSRP: $107.56
You Save: $42.19 (40%)
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Product Specifications
- Other Name: Switch - Air Conditioning System; A/C Clutch Cycle; HVAC Pressure; A/C Safety; Compressor Cut-Out; Trinary Switch; Pressure Transducer; Pressure Sensor; A/C Switch; High Pressure Cut-Off Switch; Cycling Switch
- Replaces: BT4Z-19D594-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2024 Ford Mustang | Base, Boss 302, Bullitt, Dark Horse, Dark Horse Premium, EcoBoost, EcoBoost Premium, GT, GT 50 Years Limited Edition, GT Premium, Mach 1, Shelby GT350, Shelby GT350R, Shelby GT500, V6 | 4 Cyl 2.3 L GAS, 6 Cyl 3.7 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.2 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 5.8 L GAS
View related parts
Ford Mustang Pressure Switch
Part Number: F5CZ-19D594-AA
Product Specifications
- Other Name: Switch - Air Conditioning; A/C Safety & Compressor Cut-Out Switch; HVAC Pressure & Trinary Switch.; Switch - Air Conditioning System - Vacuum
- Replaces: F3DZ-19D594-A, F4CZ-19D594-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2000 Ford Mustang | GT, SVT Cobra | 8 Cyl 4.6 L GAS

Ford Mustang A/C Compressor Cut-Out Switches

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Ford Mustang A/C Compressor Cut-Out Switches Parts Questions & Experts Answers

Pressure Switch
6L3Z-19D594-A
Q: How to Service and Repair A/C Compressor Cut-Out Switches on Ford Mustang?
A: Service of the refrigerant pressure sensor and pressure cutoff switch requires disconnecting the breather component and electrical connector of the Mass Air Flow Sensor followed by removing the outlet tube from the air cleaner. The service begins with removing the air cleaner outlet tube through clamp release and crankcase ventilation tube disconnect. Using the following order disconnect the electrical connector then take off the A/C pressure cut-off switch after disconnecting the air cleaner outlet tube. Reverse the installation steps by first sealing the O-ring with PAG Compressor Oil or YN-12c or F7AZ-19589-DA or an equivalent compatible with Ford specification WSH-M1C231-B.