How to Service and Repair an HVAC Pressure Switch on Dodge Ram 2500?

The Refrigerant Pressure Sensor / Switch can be serviced and repaired by first isolating the battery negative cable. After that, pull the wire harness connector away from the HVAC pressure switch, just as seen for the 3.7L engine. Disengage the HVAC pressure switch from the fitting that connects to the discharge line and toss out the O-ring seal you find inside. Lubricate a new rubber O-ring with clean R-134a oil before placing it on the fitting and only use special O-rings made for this system and the recommended oil in the compressor when installing the new HVAC pressure switch. Attach and securely tighten the HVAC pressure switch to the fitting on the discharge line, match up the wire connector from the switch and the main system and finally, attach the negative battery cable.

How to Install an HVAC Pressure Switch on Dodge Ram 2500?

During installation of the Refrigerant Pressure Sensor / Switch, choose the specified O-ring from the given package and only use the proper refrigerant oil in the A/C unit. Second, place a cleaned O-ring seal (4) over the threaded end of the discharge line fitting (3) and secure it with oil to make sure it is in motion properly. Then, fix the HVAC pressure switch (2) to the A/C discharge line, closing it to a torque of 5.1 Nm (45 in. lbs.). Afterwards, link the wire harness connector (1) to the HVAC pressure switch and put the negative battery cable back.

OEM Dodge Ram 2500 HVAC Pressure Switch

Air Pressure Switch

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8 HVAC Pressure Switches found

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Dodge Ram 2500 Pressure Sensor Part Number: 5073617AA
$57.56 MSRP: $84.70
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Product Specifications
- Other Name: Valve - A/C Pressure Transducer; Refrigerant, HVAC, Compressor, Trinary Switches; Transducer; Valve A/C Pressure Transducer; Transducer Pressure Sensor
- Replaces: 5093080AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2003-2008 Dodge Ram 2500 | Laramie, SLT, ST, Sport, TRX4 | 10 Cyl 8.0 L GAS, 6 Cyl 5.9 L DIESEL, 8 Cyl 5.7 L GAS
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Dodge Ram 2500 Check Valve Part Number: 5003461AA
$21.66 MSRP: $31.95
You Save: $10.29 (33%)
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Product Specifications
- Other Name: Valve Core - A/C Line, Low Side Adapter; Service Valve; HVAC Pressure Switch; A/C Trinary Switch; Pressure Switch; Service Valve; Suction Line Valve; Discharge Line Valve; Tube Assembly Valve.
- Replaces: 5011346AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2002-2010 Dodge Ram 2500 | Laramie, Power Wagon, SLT, ST, SXT, TRX | 5.7L V8, 5.9L L6, 6 Cyl 6.7 L DIESEL, 8 Cyl 5.7 L GAS, 8.0L V10
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Dodge Ram 2500 Check Valve Part Number: 5179284AA
$16.93 MSRP: $25.05
You Save: $8.12 (33%)
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Product Specifications
- Other Name: Valve - A/C Line; High & Low Side Charging Adapters; Compressor Cut-Out Switch; System Valve Core; Fill Valve; Liquid Line Valve; Valve; Valve Core A/C Line; Valve Charging
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2009-2010 Dodge Ram 2500 | Laramie, Power Wagon, SLT, ST, SXT, TRX | 6 Cyl 6.7 L DIESEL, 8 Cyl 5.7 L GAS
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Dodge Ram 2500 Pressure Cycling Switch Part Number: 5018449AA
$52.67 MSRP: $69.05
You Save: $16.38 (24%)
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Product Specifications
- Other Name: Switch - A/C Cycling; A/C Compressor Cut-Out Switch; HVAC Pressure Switch; A/C Trinary Switch; HVAC System Switch; Switch; Switch A/C Cycling
- Replaces: 4897615AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 1998-2002 Dodge Ram 2500 | Base | 10 Cyl 8.0 L GAS, 5.9L L6, 5.9L V8, 6 Cyl 5.9 L DIESEL, 8 Cyl 5.9 L GAS, 8.0L V10
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Dodge Ram 2500 Pressure Switch Part Number: 5174039AB
$118.97 MSRP: $175.00
You Save: $56.03 (33%)
Product Specifications
- Other Name: Valve - A/C Pressure Transducer; Refrigerant, HVAC, Compressor, Trinary Switches; Pressure Transducer; Includes O-Ring and Item #4; Discharge Line Valve.
- Replaces: 5175684AA, 5189363AA, 5096084AA, 5174039AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2006-2010 Dodge Ram 2500
- 2004 Dodge Ram 2500 | 5.7L V8
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Dodge Ram 2500 Pressure Switch Part Number: 4897617AA
Product Specifications
- Other Name: Switch - A/C High Pressure Cut Off; HVAC Pressure Switch; A/C Compressor Cut-Out; Trinary Switch.; Lower Pressure Cut-Off Switch; High Pressure Cut-Off Switch; Switch; Switch A/C High Pressure Cut Off
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2000-2002 Dodge Ram 2500 | Base | 10 Cyl 8.0 L GAS, 6 Cyl 5.9 L DIESEL, 8 Cyl 5.9 L GAS
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Dodge Ram 2500 Liquid Line Valve Part Number: 5073614AA
Product Specifications
- Other Name: Valve - A/C Line; A/C Low Side Charging Adapter; A/C Compressor Cut-Out Switch; A/C System Valve Core; Valve; Valve Core A/C Line
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2003-2009 Dodge Ram 2500 | Laramie, SLT, ST, SXT | 10 Cyl 8.0 L GAS, 6 Cyl 5.9 L DIESEL, 6 Cyl 6.7 L DIESEL, 8 Cyl 5.7 L GAS
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Dodge Ram 2500 Pressure Valve Part Number: 5189365AB
Product Specifications
- Other Name: Valve - A/C Line; A/C Compressor Cut-Out Switch; A/C System Valve Core; Liquid Line Valve; Valve; Valve Core A/C Line
- Replaces: 5189365AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2009 Dodge Ram 2500 | Laramie, SLT, SXT | 6 Cyl 6.7 L DIESEL, 6.7L L6

Dodge Ram 2500 HVAC Pressure Switch

Choose OEM HVAC Pressure Switch that meet Dodge factory standards. Dodge designs and tests every component for precision and durability. Each HVAC Pressure Switch follows strict manufacturing steps to lock in quality and fit. If your Dodge Ram 2500 matters to you, OEM parts make the smart choice. You'll get the exact look, feel, and performance you expect. Shop genuine Ram 2500 parts at the highly competitive prices online. Enjoy a manufacturer's warranty, a hassle-free return policy, and rapid delivery. No more guesswork with off brands. Get genuine parts with exact fit and true factory performance. Shop with confidence today at JeepPartsDeal.com.

Dodge Ram 2500 HVAC Pressure Switch Parts and Q&A

Pressure Sensor
5073617AA
Q: How to Service and Repair an HVAC Pressure Switch on Dodge Ram 2500?
A:
The Refrigerant Pressure Sensor / Switch can be serviced and repaired by first isolating the battery negative cable. After that, pull the wire harness connector away from the HVAC pressure switch, just as seen for the 3.7L engine. Disengage the HVAC pressure switch from the fitting that connects to the discharge line and toss out the O-ring seal you find inside. Lubricate a new rubber O-ring with clean R-134a oil before placing it on the fitting and only use special O-rings made for this system and the recommended oil in the compressor when installing the new HVAC pressure switch. Attach and securely tighten the HVAC pressure switch to the fitting on the discharge line, match up the wire connector from the switch and the main system and finally, attach the negative Battery Cable.
Check Valve
5003461AA
Q: How to Install an HVAC Pressure Switch on Dodge Ram 2500?
A:
During installation of the Refrigerant Pressure Sensor / Switch, choose the specified O-ring from the given package and only use the proper refrigerant oil in the A/C unit. Second, place a cleaned O-ring seal (4) over the threaded end of the discharge line fitting (3) and secure it with oil to make sure it is in motion properly. Then, fix the HVAC pressure switch (2) to the A/C discharge line, closing it to a torque of 5.1 Nm (45 in. lbs.). Afterwards, link the wire harness connector (1) to the HVAC pressure switch and put the negative Battery Cable back.