How to Replace an A/C Hose in an HVAC System for Suction Hose on 2003 Dodge Ram 3500?

You will first want to disconnect and isolate the negative battery cable before recovering the refrigerant. Disconnect the wire harness connector from the a/c high pressure transducer and the suction line refrigerant line coupler at the accumulator. Afterward, install plugs or tape over any refrigerant line fittings that have been opened. Now, take out the nut on the condenser inlet and pull the discharge line connection away from the condenser, remembering to cover the open fittings with tape. Remove the assembly where both the suction and discharge plastic tubes are inserted from the vehicle. Take off the tape or plugs from all refrigerant line fittings and attach the suction line refrigerant line coupler to the accumulator. Fit a new gasket and a discharge line block fitting to the condenser inlet with the mounting nut tightened to 180 in. lbs. A compressor cowl should be installed and only the mounting bolt needs to be tightened to 22 Nm (200 in. lbs.). Connect your battery again to the negative cable, release the refrigerant from the system and add the necessary refrigerant into the system.

OEM 2003 Dodge Ram 3500 A/C Hose

Air Conditioning Hose

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7 A/C Hoses found

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2003 Dodge Ram 3500 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 3500 Submodels:
- Laramie, SLT, ST | 10 Cyl 8.0 L GAS, 6 Cyl 5.9 L DIESEL, 8 Cyl 5.7 L GAS
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2003 Dodge Ram 3500 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 3500 Submodels:
- Laramie, SLT, ST, SXT, Sport | 10 Cyl 8.0 L GAS, 5.7L V8, 6 Cyl 5.9 L DIESEL, 6 Cyl 6.7 L DIESEL, 8 Cyl 5.7 L GAS
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2003 Dodge Ram 3500 A/C Line Part Number: 55057015AD
Product Specifications
- Other Name: Line - A/C Suction & Discharge; A/C Refrigerant Suction Hose; A/C Refrigerant Liquid Hose; A/C Hose; Suction Line; Suction & Discharge Hose Assembly
- Replaces: 55057015AB, 55057015AC
- Item Weight: 1.80 Pounds
- Item Dimensions: 32.1 x 22.3 x 6.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55057015AD
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2003 Dodge Ram 3500 Submodels:
- Laramie, SLT, ST, SXT, Sport, TRX4 | 6 Cyl 5.9 L DIESEL, 6 Cyl 6.7 L DIESEL
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2003 Dodge Ram 3500 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 3500 Submodels:
- Laramie, SLT, ST | 5.7L V8, 8 Cyl 5.7 L GAS
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2003 Dodge Ram 3500 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 3500 Submodels:
- Laramie, SLT, ST | 5.7L V8, 8 Cyl 5.7 L GAS
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2003 Dodge Ram 3500 A/C Line Part Number: 55056934AB
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
- Item Weight: 1.90 Pounds
- Item Dimensions: 39.9 x 8.8 x 4.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55056934AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2003 Dodge Ram 3500 Submodels:
- Laramie, SLT, ST | 10 Cyl 8.0 L GAS
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2003 Dodge Ram 3500 Suction & Discharge Hose Assembly Part Number: 5179828AB
Product Specifications
- Other Name: Line - A/C Suction & Discharge; A/C Refrigerant Suction Hose; A/C Refrigerant Liquid Hose; A/C Hose
- Replaces: 5179828AA, 55056936AB
- Item Weight: 2.10 Pounds
- Item Dimensions: 34.7 x 8.2 x 7.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5179828AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2003 Dodge Ram 3500 Submodels:
- Laramie, SLT, ST | 6 Cyl 5.9 L DIESEL

2003 Dodge Ram 3500 A/C Hose Parts and Q&A

Q: How to Replace an A/C Hose in an HVAC System for Suction Hose on 2003 Dodge Ram 3500?
A: You will first want to disconnect and isolate the negative battery cable before recovering the refrigerant. Disconnect the wire harness connector from the a/c high pressure transducer and the suction line refrigerant line coupler at the accumulator. Afterward, install plugs or tape over any refrigerant line fittings that have been opened. Now, take out the nut on the condenser inlet and pull the discharge line connection away from the condenser, remembering to cover the open fittings with tape. Remove the assembly where both the suction and discharge plastic tubes are inserted from the vehicle. Take off the tape or plugs from all refrigerant line fittings and attach the suction line refrigerant line coupler to the accumulator. Fit a new gasket and a discharge line block fitting to the condenser inlet with the mounting nut tightened to 180 in. lbs. A compressor cowl should be installed and only the mounting bolt needs to be tightened to 22 Nm (200 in. lbs.). Connect your battery again to the negative cable, release the refrigerant from the system and add the necessary refrigerant into the system.