How to Service the A/C Hose on 3.7L/4.7L Engines on 2008 Jeep Grand Cherokee?

On 3.7L/4.7L engines, it is important to adjust the refrigerant oil level first, as not having the proper balance may cause the A/C to stop working and harm the compressor. If you are replacing several A/C parts, follow the Refrigerant Oil Capacities chart to know the oil amount you should use. Replacing the O-ring seals and gaskets is required when opening a refrigerant line to keep it from leaking. Position the A/C suction line first into the engine area and after that, pull out all tape and plugs from the suction line fittings and the A/C compressor and A/C expansion valve. Coat both a new O-ring and a dual-plane seal with refrigerant oil designed for the R-134a refrigerant system. Place the A/C suction line onto the A/C compressor and hold it in place with nut 1 which you should tighten with 20 Nm (15 ft. lbs.) of torque. Then, link the A/C suction line to the A/C expansion valve and hold it in place with nut 7, tigthening to 20 Nm (15 ft. lbs.). After that, reinstall the air intake tube and resonator, reconnect the negative battery cable and empty the receiver dryer. Lastly, measure the refrigerant oil and add any more when necessary and then charge the system with refrigerant as needed.

OEM 2008 Jeep Grand Cherokee A/C Hose

Air Conditioning Hose

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10 A/C Hoses found

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2008 Jeep Grand Cherokee Liquid Line Part Number: 55116909AE
$93.81 MSRP: $141.00
You Save: $47.19 (34%)
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Product Specifications
- Other Name: Line - A/C Liquid; A/C Refrigerant Liquid Hose; A/C Hose
- Replaces: 55116909AD
- Item Weight: 2.80 Pounds
- Item Dimensions: 40.7 x 17.7 x 8.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55116909AE
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Grand Cherokee Submodels:
- 65th Anniversary Edition, Laredo, Limited, Overland, SRT8 | 3.7L V6, 4.7L V8, 5.7L V8, 6 Cyl 3.7 L GAS, 6.1L V8, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS
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2008 Jeep Grand Cherokee Discharge Line Part Number: 55116710AE
$117.08 MSRP: $177.00
You Save: $59.92 (34%)
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Product Specifications
- Other Name: Line - A/C Discharge; A/C Refrigerant Discharge Hose; A/C Refrigerant Liquid Hose; A/C Hose
- Replaces: 55116710AB, 55116710AC, 55116710AD
- Item Weight: 1.30 Pounds
- Item Dimensions: 31.5 x 12.5 x 9.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55116710AE
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Grand Cherokee Submodels:
- Laredo, Limited, Overland | 3.0L V6, 6 Cyl 3.0 L DIESEL
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2008 Jeep Grand Cherokee Suction Line Part Number: 55116718AH
$176.21 MSRP: $236.00
You Save: $59.79 (26%)
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Product Specifications
- Other Name: Line - A/C Suction; A/C Refrigerant Suction Hose; A/C Refrigerant Liquid Hose; A/C Hose
- Replaces: 55116718AE, 55116718AG, 55116718AF, 55116718AD
- Item Weight: 1.60 Pounds
- Item Dimensions: 49.5 x 17.0 x 4.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55116718AH
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Grand Cherokee Submodels:
- Limited, Overland, SRT8 | 5.7L V8, 6.1L V8, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS
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2008 Jeep Grand Cherokee Discharge Line Part Number: 55116712AH
$126.29 MSRP: $166.00
You Save: $39.71 (24%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Line - A/C Discharge; A/C Refrigerant Discharge Hose; A/C Refrigerant Liquid Hose; A/C Hose
- Replaces: 55116712AF, 55116712AE, 55116712AG, 55116712AC, 55116712AD
- Item Weight: 1.30 Pounds
- Item Dimensions: 30.6 x 11.3 x 10.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55116712AH
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Grand Cherokee Submodels:
- Limited, Overland, SRT8 | 5.7L V8, 6.1L V8, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS
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2008 Jeep Grand Cherokee Discharge Line Part Number: 55037889AC
$120.15 MSRP: $225.00
You Save: $104.85 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Line - A/C Discharge; A/C Refrigerant Discharge Hose; A/C Refrigerant Liquid Hose; A/C Hose
- Replaces: 55037889AB
- Item Weight: 1.00 Pounds
- Item Dimensions: 26.3 x 11.6 x 3.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55037889AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Grand Cherokee Submodels:
- Laredo, Limited | 3.7L V6, 6 Cyl 3.7 L GAS
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2008 Jeep Grand Cherokee Suction Line Part Number: 55037900AC
Product Specifications
- Other Name: Line - A/C Suction; A/C Refrigerant Suction Hose; A/C Refrigerant Liquid Hose; A/C Hose
- Replaces: 55037900AA, 55037900AB
- Item Weight: 1.30 Pounds
- Item Dimensions: 19.4 x 6.6 x 4.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55037900AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Grand Cherokee Submodels:
- Laredo, Limited | 4.7L V8, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS
View related parts
2008 Jeep Grand Cherokee Suction Line Part Number: 55037890AB
Product Specifications
- Other Name: Line - A/C Suction; A/C Refrigerant Suction Hose; A/C Refrigerant Liquid Hose; A/C Hose
- Replaces: 55037890AA
- Item Weight: 1.30 Pounds
- Item Dimensions: 27.4 x 8.2 x 5.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55037890AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Grand Cherokee Submodels:
- Laredo, Limited | 3.7L V6, 6 Cyl 3.7 L GAS
View related parts
2008 Jeep Grand Cherokee Suction Line Part Number: 55116714AF
Product Specifications
- Other Name: Line - A/C Suction; A/C Refrigerant Suction Hose; A/C Refrigerant Liquid Hose; A/C Hose
- Replaces: 55116714AC, 55116714AB, 55116714AE, 55116714AD
- Item Weight: 1.60 Pounds
- Item Dimensions: 29.4 x 18.4 x 3.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55116714AF
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Grand Cherokee Submodels:
- Laredo, Limited, Overland | 3.0L V6, 6 Cyl 3.0 L DIESEL
View related parts
2008 Jeep Grand Cherokee Liquid Line Part Number: 55037779AD
Product Specifications
- Other Name: Line - A/C Liquid; A/C Refrigerant Liquid Hose; A/C Hose
- Replaces: 55037779AC
- Item Weight: 0.80 Pounds
- Item Dimensions: 31.6 x 13.5 x 4.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55037779AD
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Grand Cherokee Submodels:
- Laredo, Limited, Overland | 3.0L V6, 6 Cyl 3.0 L DIESEL
View related parts
2008 Jeep Grand Cherokee Discharge Line Part Number: 55037891AC
Product Specifications
- Other Name: Line - A/C Discharge; A/C Refrigerant Discharge Hose; A/C Refrigerant Liquid Hose; A/C Hose
- Replaces: 55037891AB
- Item Weight: 1.00 Pounds
- Item Dimensions: 24.7 x 9.0 x 4.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55037891AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Grand Cherokee Submodels:
- Laredo, Limited | 4.7L V8, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS

2008 Jeep Grand Cherokee A/C Hose Parts and Q&A

Q: How to Service the A/C Hose on 3.7L/4.7L Engines on 2008 Jeep Grand Cherokee?
A: On 3.7L/4.7L engines, it is important to adjust the refrigerant oil level first, as not having the proper balance may cause the A/C to stop working and harm the compressor. If you are replacing several A/C parts, follow the Refrigerant Oil Capacities chart to know the oil amount you should use. Replacing the O-ring seals and gaskets is required when opening a refrigerant line to keep it from leaking. Position the A/C suction line first into the engine area and after that, pull out all tape and plugs from the suction line fittings and the A/C compressor and A/C expansion valve. Coat both a new O-ring and a dual-plane seal with refrigerant oil designed for the R-134a refrigerant system. Place the A/C suction line onto the A/C compressor and hold it in place with nut 1 which you should tighten with 20 Nm (15 ft. lbs.) of torque. Then, link the A/C suction line to the A/C expansion valve and hold it in place with nut 7, tigthening to 20 Nm (15 ft. lbs.). After that, reinstall the air intake tube and resonator, reconnect the negative battery cable and empty the receiver dryer. Lastly, measure the refrigerant oil and add any more when necessary and then charge the system with refrigerant as needed.