How to service A/C Compressor Cut-Out Switches (low pressure sensor/switch) on 2002 Dodge Ram 3500 Van?

In order to service the low pressure sensor, unplug the wire harness on the suction line jumper on the low pressure cut-off switch and unhook the battery negative cable. Take out the switch and O-ring and put in a new lubricated O-ring. Reattach the switch, tighten up to 4 Nm, reconnect the harness, and battery.

OEM 2002 Dodge Ram 3500 Van A/C Compressor Cut-Out Switches

HVAC Cut-Out Switch

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2 A/C Compressor Cut-Out Switches found

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2002 Dodge Ram 3500 Van Pressure Switch Part Number: 4897612AB
Product Specifications
- Other Name: Switch - A/C Low Pressure Cut Off; HVAC Pressure Switch; A/C Compressor Cut-Out; Trinary Switch.; Lower Pressure Cut-Off Switch; Switch; Switch A/C Low Pressure Cut Off
- Replaces: 5012330AA, 5012330AB
- Item Weight: 0.40 Pounds
- Item Dimensions: 2.1 x 0.9 x 0.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4897612AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2002 Dodge Ram 3500 Van Submodels:
- Base | 8 Cyl 5.2 L CNG, 8 Cyl 5.2 L GAS, 8 Cyl 5.2 L LPG, 8 Cyl 5.9 L GAS
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2002 Dodge Ram 3500 Van 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
- Item Weight: 0.50 Pounds
- Item Dimensions: 1.1 x 1.1 x 2.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4897617AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2002 Dodge Ram 3500 Van Submodels:
- Base | 8 Cyl 5.2 L CNG, 8 Cyl 5.2 L GAS, 8 Cyl 5.2 L LPG, 8 Cyl 5.9 L GAS

2002 Dodge Ram 3500 Van A/C Compressor Cut-Out Switches Parts and Q&A

Q: How to service A/C Compressor Cut-Out Switches (low pressure sensor/switch) on 2002 Dodge Ram 3500 Van?
A: In order to service the low pressure sensor, unplug the wire harness on the suction line jumper on the low pressure cut-off switch and unhook the battery negative cable. Take out the switch and O-ring and put in a new lubricated O-ring. Reattach the switch, tighten up to 4 Nm, reconnect the harness, and battery.