How to service the evaporator core on Mercury Mountaineer?

To service evaporator core: Check vacuum leak test, as necessary. Take out heater core, and evaporator core cover screws. Unscrew the cover, throw away the rope seal and take out the evaporator core. To install, reverse the procedure, with RTV sealant and diagonally tightened screws.

How to service the auxiliary evaporator core on Mercury Mountaineer?

To service the auxiliary evaporator core, loosen the core of heater, evaporator, disconnection of fittings and disposal of O-rings. Take off the core cover and core then repeat the process of installation with new O-rings and clean PAG oil. Only change the accumulator of suction when it is contaminated.

OEM Mercury Mountaineer Evaporator

A/C Evaporator Core

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14 Evaporators found

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Mercury Mountaineer Evaporator Core, Front Part Number: 4L2Z-19860-AA
$149.77 MSRP: $207.19
You Save: $57.42 (28%)
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Product Specifications
- Other Name: Core - Air Conditioning Evaporator; A/C Evaporator Core, Front; A/C Evaporator Core Repair Kit; A/C Evaporator Core; A/C Evaporator; Evaporator
- Position: Front
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005 Mercury Mountaineer | Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Evaporator Core, Rear Part Number: 6L2Z-19860-EB
$186.49 MSRP: $257.98
You Save: $71.49 (28%)
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Product Specifications
- Other Name: Core - Air Conditioning Evaporator; A/C Evaporator Core, Rear; A/C Evaporator Core Repair Kit; A/C Evaporator Core; A/C Evaporator; Evaporator
- Manufacturer Note: Includes A/C Evaporator Expansion Valve That Is Not Serviced Separately
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Evaporator Core, Front Part Number: 2L2Z-19860-AA
$135.74 MSRP: $187.79
You Save: $52.05 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Core - Air Conditioning Evaporator; A/C Evaporator Core, Front; A/C Evaporator Core Repair Kit; A/C Evaporator Core; A/C Evaporator; Evaporator
- Position: Front
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Evaporator Core Part Number: 8L2Z-19850-D
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core and Case Assembly; A/C Evaporator Core Repair Kit; Heater Core; Housing Assembly; Case Assembly; A/C Evaporator
- Replaces: 8L2Z-19850-C, 7L2Z-19850-A, 6L2Z-19850-CC, 6L2Z-19850-CD
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2008 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Blower Motor Part Number: YL5Z-19850-CC
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core Case; Evaporator Core; Housing Assembly; A/C Evaporator Core; Evaporator
- Replaces: YL5Z-19850-CB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Mountaineer Blower Motor Part Number: XL2Z-19850-LC
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core Case; A/C Evaporator Core; Evaporator; Housing Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Mountaineer Evaporator Core Part Number: 9L2Z-19850-B
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core and Case; HVAC Unit; Repair Kit; Heater Core; Housing Assembly; Case Assembly
- Replaces: 8L2Z-19850-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2010 Mercury Mountaineer | Base, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Evaporator Core Part Number: 4L2Z-19850-DA
Product Specifications
- Other Name: Evaporator Assembly; HVAC Unit Case; A/C Evaporator Core Repair Kit; A/C Evaporator; Heater Core; Housing Assembly; Case Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2006 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Evaporator Core, Front Part Number: 4L2Z-19850-BC
Product Specifications
- Other Name: Evaporator Assembly; HVAC Unit Case, Front; A/C Evaporator Core Repair Kit; A/C Evaporator; Housing Assembly; Case Assembly
- Position: Front
- Replaces: 4L2Z-19850-BA, 4L2Z-19850-BB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Evaporator Core Part Number: 9L2Z-19850-A
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core and Case; HVAC Unit; Repair Kit; Heater Core.; Housing Assembly; Case Assembly
- Replaces: 8L2Z-19850-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2010 Mercury Mountaineer | Base, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Blower Motor Part Number: F77Z-19850-JB
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core Case; Housing Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS
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Mercury Mountaineer Evaporator Core Part Number: 7L2Z-19850-B
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core and Case Assembly; A/C Evaporator Core Repair Kit; Heater Core; Housing Assembly; Case Assembly; A/C Evaporator
- Replaces: 6L2Z-19850-DB, 6L2Z-19850-AC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2008 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Evaporator Core, Front Part Number: 1L2Z-19850-ED
Product Specifications
- Other Name: Evaporator Assembly; HVAC Unit Case, Front; A/C Evaporator Core Repair Kit; A/C Evaporator Core; A/C Evaporator; Housing Assembly; Case Assembly; Evaporator
- Manufacturer Note: Includes Temperature Blend And Air Distribution Doors
- Position: Front
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002 Mercury Mountaineer | Base | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Evaporator Core Part Number: 1L2Z-19850-FB
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core Repair Kit; A/C Evaporator Core; A/C Evaporator; Evaporator
- Manufacturer Note: Includes Temperature Blend And Air Distribution Doors
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002 Mercury Mountaineer | Base | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS

Mercury Mountaineer Evaporator

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Mercury Mountaineer Evaporator Parts and Q&A

Evaporator Core
8L2Z-19850-D
Q: How to service the evaporator core on Mercury Mountaineer?
A: To service evaporator core: Check vacuum leak test, as necessary. Take out Heater Core, and evaporator core cover screws. Unscrew the cover, throw away the rope seal and take out the evaporator core. To install, reverse the procedure, with RTV sealant and diagonally tightened screws.
Evaporator Core, Rear
6L2Z-19860-EB
Q: How to service the auxiliary evaporator core on Mercury Mountaineer?
A: To service the auxiliary evaporator core, loosen the core of heater, evaporator, disconnection of fittings and disposal of O-rings. Take off the core cover and core then repeat the process of installation with new O-rings and clean PAG oil. Only change the accumulator of suction when it is contaminated.