How to replace the compressor in an air conditioning system on Mercury Mariner?

If you are replacing the compressor, you must also replace the accumulator and the orifice tube. Have the air conditioning system discharged before proceeding. Loosen the right front wheel lug nuts, raise the vehicle and secure it on jackstands, and remove the right front wheel. Remove the right front fender splash shield. Remove the drivebelt. Disconnect the electrical connector from the compressor clutch field coil. Remove the compressor mounting bolts, then lower the compressor for access to the refrigerant line fittings if necessary. Disconnect the refrigerant lines from the compressor and discard the O-rings. Remove the compressor. If a new compressor is being installed, follow the directions with the compressor regarding the draining of excess oil prior to installation. The clutch may have to be transferred from the original to the new compressor. Before reconnecting the inlet and outlet lines to the compressor, replace all manifold O-rings and lubricate them with refrigerant oil. Installation is otherwise the reverse of removal. Replace the orifice tube. Have the system evacuated, recharged, and leak tested by the shop that discharged it.

Genuine Mercury Mariner A/C Compressor

Air Conditioning Compressor

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14 A/C Compressors found

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Mercury Mariner Compressor Assembly
Part Number: 8L8Z-19703-B
$323.73 MSRP: $540.00
You Save: $216.27 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor Assy; Compressor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2011 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.5L Duratec (110kW/150PS) | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Compressor Assembly
Part Number: 9L8Z-19703-A
$332.64 MSRP: $540.00
You Save: $207.36 (39%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor Assy; Compressor
- Replaces: 8L8Z-19703-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2011 Mercury Mariner | 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Compressor Assembly
Part Number: G2MZ-19V703-J
$345.53 MSRP: $576.36
You Save: $230.83 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor Assy
- Manufacturer Note: High Level Aftermarket Spec, Non Warranty Repair
- Replaced by: HU2Z-19703-D
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2006 Mercury Mariner | 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
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Mercury Mariner Compressor Assembly
Part Number: 4L8Z-19V703-CA
$345.53 MSRP: $576.36
You Save: $230.83 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor Assy
- Replaced by: HU2Z-19703-D
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2006 Mercury Mariner | 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
View related parts
Mercury Mariner Compressor Assembly
Part Number: 8L8Z-19703-A
$332.64 MSRP: $540.00
You Save: $207.36 (39%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor Assy
- Manufacturer Note: Includes PAG Refrigerant Compressor Oil
- Replaced by: 9L8Z-19703-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Mercury Mariner | 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Compressor Assembly
Part Number: BM6Z-19703-A
$1095.36 MSRP: $1778.18
You Save: $682.82 (39%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor Assy; Compressor
- Manufacturer Note: Includes Air Conditioning Compressor Module (ACCM) That Cannot Be Removed From The Electric A/C Compressor
- Replaces: 9E5Z-19703-A, AM6Z-19703-B, YCC-256
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2010-2011 Mercury Mariner | 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Compressor Assembly
Part Number: AM6Z-19703-B
$1095.36 MSRP: $1778.18
You Save: $682.82 (39%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor Assy
- Manufacturer Note: Includes Air Conditioning Compressor Module (ACCM) That Cannot Be Removed From The Electric A/C Compressor
- Replaced by: BM6Z-19703-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2010-2011 Mercury Mariner | 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Compressor Assembly
Part Number: 5L8Z-19703-AA
$201.28 MSRP: $275.02
You Save: $73.74 (27%)
ADD TO CART
Product Specifications
- Other Name: Compressor Assy; Compressor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2007 Mercury Mariner | 4 Cyl 2.3L | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
View related parts
Mercury Mariner Compressor Assembly
Part Number: 4L3Z-19703-AB
Product Specifications
- Other Name: Compressor Assy
- Replaced by: 4L3Z-19703-AC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2007 Mercury Mariner | 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
View related parts
Mercury Mariner Compressor Assembly
Part Number: 5L8Z-19V703-DA
Product Specifications
- Other Name: Compressor Assy
- Replaced by: HU2Z-19703-Y
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2007 Mercury Mariner | 4 Cyl 2.3L | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
View related parts
Mercury Mariner Compressor Assembly
Part Number: 5M6Z-19703-AA
Product Specifications
- Other Name: Compressor Assy
- Replaced by: 7M6Z-19703-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2007 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Compressor Assembly
Part Number: 7M6Z-19703-A
Product Specifications
- Other Name: Compressor Assy; Compressor, Pulley
- Replaces: 5M6Z-19703-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2009 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Mercury Mariner Compressor Assembly
Part Number: G2MZ-19V703-AD
Product Specifications
- Other Name: Compressor Assy
- Manufacturer Note: High Level Aftermarket Spec, Non Warranty Repair
- Replaced by: HU2Z-19703-Y
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2006 Mercury Mariner | 4 Cyl 2.3L | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
View related parts
Mercury Mariner Compressor Assembly
Part Number: 5M6Z-19V703-AA
Product Specifications
- Other Name: Compressor Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2008 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive

Mercury Mariner A/C Compressor

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Mercury Mariner A/C Compressor Parts Questions & Experts Answers

Compressor Assembly
8L8Z-19703-B
Q: How to replace the compressor in an air conditioning system on Mercury Mariner?
A: If you are replacing the compressor, you must also replace the accumulator and the orifice tube. Have the air conditioning system discharged before proceeding. Loosen the right front wheel lug nuts, raise the vehicle and secure it on jackstands, and remove the right front wheel. Remove the right front fender splash shield. Remove the drivebelt. Disconnect the electrical connector from the compressor clutch field coil. Remove the compressor mounting bolts, then lower the compressor for access to the refrigerant line fittings if necessary. Disconnect the refrigerant lines from the compressor and discard the O-rings. Remove the compressor. If a new compressor is being installed, follow the directions with the compressor regarding the draining of excess oil prior to installation. The clutch may have to be transferred from the original to the new compressor. Before reconnecting the inlet and outlet lines to the compressor, replace all manifold O-rings and lubricate them with refrigerant oil. Installation is otherwise the reverse of removal. Replace the orifice tube. Have the system evacuated, recharged, and leak tested by the shop that discharged it.

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