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

If you are replacing the compressor, it's imperative to also replace the accumulator and the evaporator orifice tube. Before removing the compressor, have the air conditioning system discharged by a dealer service department or an automotive air conditioning shop. Next, remove the drive belt. For V6 models: Loosen the upper mounting nut, remove the stud, and disconnect the electrical connector from the compressor clutch field coil. Then, disconnect the compressor inlet and outlet line manifold from the compressor, discarding old O-rings. Raise the vehicle and secure it on jack stands. From below the engine compartment, remove the bracket nuts, separate the wiring harness and the air conditioning compressor line from the compressor, and remove the lower compressor mounting nuts and studs to remove the compressor. For V8 models: After raising the vehicle and securing it, remove the right front wheel and inner fender splash shield. Disconnect the electrical connector from the compressor clutch field coil and the crankshaft position sensor connector, positioning it to the side. Remove the compressor clutch wiring harness bracket nut, setting the wiring harness aside. Then, disconnect the compressor inlet and outlet line manifold from the compressor and discard old O-rings. Loosen the compressor mounting nuts and studs to remove the compressor. For installation: If installing a new compressor, follow the directions accompanying it, particularly concerning the draining of excess oil. Transfer the clutch from the original to the new compressor if needed. 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. Afterward, replace the orifice tube and have the system evacuated, recharged, and leak tested by the shop that discharged it.

Genuine Mercury Mountaineer A/C Compressor

Air Conditioning Compressor

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21 A/C Compressors found

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Mercury Mountaineer Compressor Assembly
Part Number: 3L2Z-19V703-BC
$324.82 MSRP: $541.82
You Save: $217.00 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor Assy; Compressor
- Replaces: 3L2Z-19V703-BA, 3L2Z-19V703-BB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004 Mercury Mountaineer | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Mercury Mountaineer Compressor Assembly
Part Number: 1L2Z-19703-EA
$263.63 MSRP: $363.21
You Save: $99.58 (28%)
ADD TO CART
Product Specifications
- Other Name: Compressor Assy; Compressor
- Replaces: 1L2Z-19703-CA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Mercury Mountaineer Compressor Assembly
Part Number: AU2Z-19V703-AC
$335.72 MSRP: $560.00
You Save: $224.28 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor Assy
- Replaced by: 9L2Z-19V703-E
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Mercury Mountaineer | 8 Cyl 4.6L | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Mercury Mountaineer Compressor Assembly
Part Number: 9L2Z-19V703-E
$335.72 MSRP: $560.00
You Save: $224.28 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor Assy
- Replaces: AU2Z-19V703-AC, YCC-283
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2009 Mercury Mountaineer | 8 Cyl 4.6L | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Mercury Mountaineer Compressor Assembly
Part Number: G2MZ-19V703-L
$345.53 MSRP: $576.36
You Save: $230.83 (41%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Compressor Assy
- Manufacturer Note: High Level Aftermarket Spec, Non Warranty Repair
- Replaced by: HU2Z-19703-F
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002 Mercury Mountaineer | 6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L Romeo SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Mercury Mountaineer Compressor Assembly
Part Number: AL2Z-19703-A
$265.90 MSRP: $366.32
You Save: $100.42 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor Assy; Compressor
- Replaces: YC-2555, YCC-251, 6L2Z-19703-AA, 9L2Z-19703-C, 6L2Z-19703-EA, 9L2Z-19703-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | 8 Cyl 4.6L | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Mountaineer Compressor Assembly
Part Number: 6L2Z-19703-AA
$265.90 MSRP: $366.32
You Save: $100.42 (28%)
ADD TO CART
Product Specifications
- Other Name: Compressor Assy
- Replaced by: AL2Z-19703-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006 Mercury Mountaineer | 8 Cyl 4.6L | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Mountaineer Compressor Assembly
Part Number: 6L2Z-19703-EA
$265.90 MSRP: $366.32
You Save: $100.42 (28%)
ADD TO CART
Product Specifications
- Other Name: Compressor Assy
- Replaced by: AL2Z-19703-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2009 Mercury Mountaineer | 8 Cyl 4.6L | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Mountaineer Compressor Assembly
Part Number: 9L2Z-19703-C
$265.90 MSRP: $366.32
You Save: $100.42 (28%)
ADD TO CART
Product Specifications
- Other Name: Compressor Assy
- Replaced by: AL2Z-19703-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2010 Mercury Mountaineer | 8 Cyl 4.6L | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Mountaineer Compressor Assembly
Part Number: 8L2Z-19703-D
Product Specifications
- Other Name: Compressor
- Replaces: 6L2Z-19703-HA, 6L2Z-19703-DA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Mountaineer Compressor Assembly
Part Number: 8L2Z-19703-C
Product Specifications
- Other Name: Compressor Assy; Compressor
- Replaces: 6L2Z-19703-GB, 6L2Z-19703-GA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | 8 Cyl 4.6L | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Mountaineer Compressor Assembly
Part Number: 5W1Z-19V703-AA
Product Specifications
- Other Name: Compressor Assy; Compressor
- Replaces: 1L2Z-19703-AA, 2C2Z-19V703-BA, 3L2Z-19V703-AC, 1L2Z-19703-DA, 2C2Z-19V703-BB, YCC-168, YCC-234, 3L2Z-19V703-AB, 2C2Z-19V703-BC, YC-2510, 3L2Z-19V703-AA, YCC-222, YC-2493
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | 8 Cyl 4.6L Romeo SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Mountaineer Compressor Assembly
Part Number: 6L2Z-19703-DA
Product Specifications
- Other Name: Compressor Assy
- Replaced by: 8L2Z-19703-D
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006 Mercury Mountaineer | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Mountaineer Compressor Assembly
Part Number: 6L2Z-19703-HA
Product Specifications
- Other Name: Compressor Assy
- Replaced by: 8L2Z-19703-D
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2008 Mercury Mountaineer | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Mountaineer Compressor Assembly
Part Number: 6L2Z-19703-GA
Product Specifications
- Other Name: Compressor Assy
- Replaced by: 8L2Z-19703-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006 Mercury Mountaineer | 8 Cyl 4.6L | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Mountaineer Compressor Assembly
Part Number: 6L2Z-19703-GB
Product Specifications
- Other Name: Compressor Assy
- Replaced by: 8L2Z-19703-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2008 Mercury Mountaineer | 8 Cyl 4.6L | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Mountaineer Compressor Assembly
Part Number: 1L2Z-19703-DA
Product Specifications
- Other Name: Compressor Assy
- Replaced by: 5W1Z-19V703-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | 8 Cyl 4.6L Romeo SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Mountaineer Compressor Assembly
Part Number: 6L2Z-19703-BA
Product Specifications
- Other Name: Compressor Assy
- Replaced by: AL2Z-19703-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006 Mercury Mountaineer | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Mountaineer Compressor Assembly
Part Number: 6L2Z-19703-FA
Product Specifications
- Other Name: Compressor Assy
- Replaced by: AL2Z-19703-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2009 Mercury Mountaineer | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Mountaineer Compressor Assembly
Part Number: 9L2Z-19703-D
Product Specifications
- Other Name: Compressor Assy
- Replaced by: AL2Z-19703-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2010 Mercury Mountaineer | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)

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Mercury Mountaineer A/C Compressor

We provide a wide range of Mercury Mountaineer A/C Compressor at the best prices possible. If you need Mercury Mountaineer A/C Compressor, you can shop with confidence on our website. All our OEM parts come with a manufacturer's warranty and are delivered to your door step with a fast delivery service.

Mercury Mountaineer A/C Compressor Parts Questions & Experts Answers

Compressor Assembly
3L2Z-19V703-BC
Q: How to replace the compressor in an air conditioning system on Mercury Mountaineer?
A: If you are replacing the compressor, it's imperative to also replace the accumulator and the evaporator orifice tube. Before removing the compressor, have the air conditioning system discharged by a dealer service department or an automotive air conditioning shop. Next, remove the drive belt. For V6 models: Loosen the upper mounting nut, remove the stud, and disconnect the electrical connector from the compressor clutch field coil. Then, disconnect the compressor inlet and outlet line manifold from the compressor, discarding old O-rings. Raise the vehicle and secure it on jack stands. From below the engine compartment, remove the bracket nuts, separate the wiring harness and the air conditioning compressor line from the compressor, and remove the lower compressor mounting nuts and studs to remove the compressor. For V8 models: After raising the vehicle and securing it, remove the right front wheel and inner fender splash shield. Disconnect the electrical connector from the compressor clutch field coil and the crankshaft position sensor connector, positioning it to the side. Remove the compressor clutch wiring harness bracket nut, setting the wiring harness aside. Then, disconnect the compressor inlet and outlet line manifold from the compressor and discard old O-rings. Loosen the compressor mounting nuts and studs to remove the compressor. For installation: If installing a new compressor, follow the directions accompanying it, particularly concerning the draining of excess oil. Transfer the clutch from the original to the new compressor if needed. 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. Afterward, replace the orifice tube and have the system evacuated, recharged, and leak tested by the shop that discharged it.