How to Replace an HVAC Pressure Switch on 2008 Dodge Magnum?

To replace the HVAC pressure switch, disconnect the negative battery cable and wire harness connector. Remove the switch from the A/C liquid line, removing the O-ring seal in the process. Discharging the refrigerant system is not necessary and the process is similar for both LHD and RHD systems.

OEM 2008 Dodge Magnum HVAC Pressure Switch

Air Pressure Switch

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3 HVAC Pressure Switches found

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2008 Dodge Magnum 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 Magnum Submodels:
- R/T, SE, SRT8, SXT | 6 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS
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2008 Dodge Magnum 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
- Item Weight: 0.40 Pounds
- Item Dimensions: 0.6 x 0.6 x 1.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5179284AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Dodge Magnum Submodels:
- R/T, SE, SRT8, SXT | 6 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS
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2008 Dodge Magnum 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 Magnum Submodels:
- R/T, SE, SRT8, SXT | 6 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS

2008 Dodge Magnum HVAC Pressure Switch Parts and Q&A

Q: How to Replace an HVAC Pressure Switch on 2008 Dodge Magnum?
A: To replace the HVAC pressure switch, disconnect the negative battery cable and wire harness connector. Remove the switch from the A/C liquid line, removing the O-ring seal in the process. Discharging the refrigerant system is not necessary and the process is similar for both LHD and RHD systems.