How to Replace an A/C Hose in HVAC System for Liquid Hose on 2003 Dodge Ram 1500?

Before you replace the A/C liquid hose/line, unplug and isolate the battery's negative cable and gather the refrigerant from in the refrigerant system. Don't forget to open the steam caps on both ends of the liquid line. Then cut the fittings of the liquid line refrigerant line with side-cutters, install new couplers and put pressure caps on both ends of the line. Take out the liquid line from the vehicle by cutting the clips that hold it to the fender or cross brace. During installation, hold the liquid line to any clips found on the inner fender or dash panel, then remove the tape or plugs at the refrigerant fittings of the liquid line, the condenser outlet and the evaporator inlet, so you can attach it to both the condenser and the evaporator. Reconnect the negative battery cable, remove the refrigerant and put the refrigerant back.

OEM 2003 Dodge Ram 1500 A/C Hose

Air Conditioning Hose

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7 A/C Hoses found

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2003 Dodge Ram 1500 Liquid Line, Rear Part Number: 55055960AA
$109.07 MSRP: $160.00
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Product Specifications
- Other Name: Line - A/C Liquid; A/C Refrigerant Liquid Hose; A/C Refrigerant Hose, Rear; A/C Hose; Line A/C Liquid
- Position: Rear
- Item Weight: 0.80 Pounds
- Item Dimensions: 31.8 x 10.1 x 7.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55055960AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2003 Dodge Ram 1500 Submodels:
- Laramie, SLT, ST | 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 5.9 L GAS
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2003 Dodge Ram 1500 Liquid Line Part Number: 55056020AG
Product Specifications
- Other Name: Line - A/C Liquid; A/C Refrigerant Liquid Hose; A/C Hose
- Replaces: 55056020AF, 55056020AB, 55056020AE, 55056020AD, 55056020AC
- Item Weight: 3.20 Pounds
- Item Dimensions: 31.3 x 21.0 x 20.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55056020AG
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2003 Dodge Ram 1500 Submodels:
- Laramie, SLT, SRT-10, ST, SXT, Sport, 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 Cyl 5.9 L GAS
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2003 Dodge Ram 1500 A/C Line Part Number: 55056053AB
Product Specifications
- Other Name: Line - A/C Suction & Discharge; A/C Refrigerant Suction Hose; A/C Refrigerant Liquid Hose; A/C Hose; Suction & Discharge Hose Assembly; Line A/C Suction & Discharge
- Replaces: 55056053AA
- Item Weight: 1.80 Pounds
- Item Dimensions: 58.1 x 7.2 x 5.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55056053AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2003 Dodge Ram 1500 Submodels:
- Laramie, SLT, ST | 8 Cyl 5.9 L GAS
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2003 Dodge Ram 1500 A/C Line Part Number: 55057044AD
Product Specifications
- Other Name: Line - A/C Suction; A/C Refrigerant Suction Hose; A/C Refrigerant Liquid Hose; A/C Hose; Suction Line; Suction & Discharge Hose Assembly
- Replaces: 55057044AC, 55057044AB
- Item Weight: 1.00 Pounds
- Item Dimensions: 19.2 x 5.8 x 3.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55057044AD
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2003 Dodge Ram 1500 Submodels:
- Laramie, SLT, ST | 5.7L V8, 6 Cyl 3.7 L GAS, 8 Cyl 5.7 L GAS
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2003 Dodge Ram 1500 A/C Line Part Number: 55056942AB
Product Specifications
- Other Name: Line - A/C Suction & Discharge; A/C Refrigerant Suction Hose; A/C Refrigerant Liquid Hose; A/C Hose; Suction & Discharge Hose Assembly; Line A/C Suction & Discharge
- Item Weight: 0.80 Pounds
- Item Dimensions: 42.2 x 6.1 x 1.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55056942AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2003 Dodge Ram 1500 Submodels:
- Laramie, SLT, ST | 8 Cyl 4.7 L GAS
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2003 Dodge Ram 1500 A/C Line Part Number: 55056846AE
Product Specifications
- Other Name: Line - A/C Suction & Discharge; A/C Refrigerant Suction Hose; A/C Refrigerant Liquid Hose; A/C Hose; Suction & Discharge Hose Assembly
- Replaces: 55056846AB, 55056846AA
- Item Weight: 1.40 Pounds
- Item Dimensions: 34.7 x 17.2 x 3.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55056846AE
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2003 Dodge Ram 1500 Submodels:
- Laramie, SLT, ST | 3.7L V6, 6 Cyl 3.7 L GAS
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2003 Dodge Ram 1500 Discharge Line Part Number: 55057045AC
Product Specifications
- Other Name: Line - A/C Discharge; A/C Refrigerant Discharge Hose; A/C Refrigerant Liquid Hose; A/C Hose; Suction & Discharge Hose Assembly
- Replaces: 55057045AB
- Item Weight: 1.00 Pounds
- Item Dimensions: 11.6 x 4.4 x 4.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55057045AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2003 Dodge Ram 1500 Submodels:
- Laramie, SLT, ST | 5.7L V8, 8 Cyl 5.7 L GAS

2003 Dodge Ram 1500 A/C Hose Parts and Q&A

Q: How to Replace an A/C Hose in HVAC System for Liquid Hose on 2003 Dodge Ram 1500?
A: Before you replace the A/C liquid hose/line, unplug and isolate the battery's negative cable and gather the refrigerant from in the refrigerant system. Don't forget to open the steam caps on both ends of the liquid line. Then cut the fittings of the liquid line refrigerant line with side-cutters, install new couplers and put pressure caps on both ends of the line. Take out the liquid line from the vehicle by cutting the clips that hold it to the fender or cross brace. During installation, hold the liquid line to any clips found on the inner fender or dash panel, then remove the tape or plugs at the refrigerant fittings of the liquid line, the condenser outlet and the evaporator inlet, so you can attach it to both the condenser and the evaporator. Reconnect the negative battery cable, remove the refrigerant and put the refrigerant back.