How to Install an HVAC Pressure Switch on 2008 Dodge Ram 1500?

To install the Refrigerant Pressure Sensor/Switch, use the specified O-ring for R-134a and the required refrigerant oil. Lubricate a new O-ring with clean refrigerant oil, install it on the discharge line fitting, tighten the HVAC pressure switch to 5.1 Nm, connect the wire harness, and reconnect the negative battery cable.

OEM 2008 Dodge Ram 1500 HVAC Pressure Switch

Air Pressure Switch

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3 HVAC Pressure Switches found

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2008 Dodge Ram 1500 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
- Item Weight: 0.50 Pounds
- Item Dimensions: 0.3 x 3.8 x 4.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5003461AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2008 Dodge Ram 1500 Submodels:
- Laramie, SLT, SRT-10, ST, SXT, Sport, TRX, TRX4 | 10 Cyl 8.3 L GAS, 3.7L V6, 4.7L V8, 5.7L V8, 5.9L V8, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS, 8.3L V10
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2008 Dodge Ram 1500 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
- Item Weight: 0.40 Pounds
- Item Dimensions: 1.1 x 1.2 x 2.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5174039AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Dodge Ram 1500 Submodels:
- Laramie, SLT, SRT-10, ST, SXT, Sport, TRX, TRX4 | 10 Cyl 8.3 L GAS, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS
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2008 Dodge Ram 1500 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
- Item Weight: 0.40 Pounds
- Item Dimensions: 1.0 x 0.7 x 0.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5073614AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Dodge Ram 1500 Submodels:
- Laramie, SLT, SRT-10, ST, SXT, Sport, TRX4 | 10 Cyl 8.3 L GAS, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 5.9 L GAS

2008 Dodge Ram 1500 HVAC Pressure Switch Parts and Q&A

Q: How to Install an HVAC Pressure Switch on 2008 Dodge Ram 1500?
A: To install the Refrigerant Pressure Sensor/Switch, use the specified O-ring for R-134a and the required refrigerant oil. Lubricate a new O-ring with clean refrigerant oil, install it on the discharge line fitting, tighten the HVAC pressure switch to 5.1 Nm, connect the wire harness, and reconnect the negative battery cable.