How to service and repair the evaporator core on Mercury Cougar?

The first step is to take away the heater/evaporator core housing followed by a disconnect of the blower motor/evaporator housing from the heater/evaporator housing by unfastening the bolts and rubber seal and nut and cover. The first step in servicing the evaporator includes unclipping the vacuum hose followed by disconnecting all housing parts before removing the evaporator. The right procedure for installation includes reversing the steps of removal. Also perform checks to verify normal air conditioning operations. You must install O-rings which have refrigerant oil coating together with gaskets on the new evaporator so they match their original positioning from the old evaporator.

Is the evaporator core separately serviceable, and How to service it on Mercury Grand Marquis?

A replacement of the combination between evaporator core and housing assembly forms the necessary procedure. The suction accumulator requires replacement only in cases where contamination appears from failed A/C compressors or when the suction accumulator shows signs of damage. A leak test should occur before removing the evaporator core from the vehicle when such a leak is suspected. Service of the evaporator core begins with removing the housing before moving components from the old housing to a new housing for installation.

Is the evaporator core separately serviceable, and how to replacement on Mercury Marauder?

A replacement for the entire evaporator core housing assembly is needed because service of the core is not possible separately. Replacement of suction accumulator (part number not specified) is unnecessary unless the A/C compressor failed or if the accumulator shows damage. Any suspected evaporator core leak needs to have its leak rate tested before extracting the part from its vehicle position. You must remove the evaporator core housing before moving components from the former housing to the new one. You need to install the fresh evaporator core housing at the conclusion of the process.

OEM Mercury Evaporator

A/C Evaporator Core

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59 Evaporators found

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Mercury Evaporator Core, Front
Part Number: 4L2Z-19860-AA
$149.77 MSRP: $207.19
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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
Fits the following Mercury Models:
- Mountaineer | 2005 | 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 Evaporator Core, Front
Part Number: 5F9Z-19860-CA
$134.12 MSRP: $185.54
You Save: $51.42 (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
Fits the following Mercury Models:
- Montego | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
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Mercury Evaporator Core
Part Number: 7W7Z-19850-A
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core and Case Assembly; A/C Evaporator Core Repair Kit; Housing Assembly; A/C Evaporator
- Replaces: 6W7Z-19850-CA
Fits the following Mercury Models:
- Grand Marquis | 2006-2011 | GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Evaporator Core
Part Number: E6LY19860A
Product Specifications
- Other Name: Core - Air Conditioning; A/C Evaporator Core Repair Kit; A/C Evaporator Core; A/C Evaporator; Evaporator; Core - Air Conditioning Evaporator
Fits the following Mercury Models:
- Cougar | 1987-1988 | LS, XR-7 | 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
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Mercury 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
Fits the following Mercury Models:
- Mountaineer | 2006-2008 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury 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
Fits the following Mercury Models:
- Mountaineer | 2008-2010 | Base, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Evaporator Core
Part Number: 2F1Z-19850-A
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core Case & Repair Kit.; Housing Assembly; Case Assembly
- Replaces: 2F1Z-19850-CA
Fits the following Mercury Models:
- Sable | 2002-2005 | GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Evaporator Core
Part Number: AG1Z-19850-B
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core Case; A/C Evaporator Core Repair Kit; A/C Evaporator; Heater Core; Evaporator Case; Case Assembly
- Replaces: 8G1Z-19850-B, 8G1Z-19850-E
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury 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
Fits the following Mercury Models:
- Mountaineer | 2002 | Base | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Evaporator Assembly
Part Number: 3W7Z-19850-DA
Product Specifications
- Other Name: A/C Evaporator Core and Case Assembly; A/C Evaporator Core Repair Kit; Housing Assembly; A/C Evaporator
- Manufacturer Note: For vehicles built before 2/18/05 also order 5W7Z-19A786-AA., with ATC
Fits the following Mercury Models:
- Grand Marquis | 2003-2005 | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L GAS
- Marauder | 2003-2004 | Base | 8 Cyl 4.6 L GAS
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Mercury Evaporator Core
Part Number: E25Y19860A
Product Specifications
- Other Name: Core - Air Conditioning; A/C Evaporator Core Repair Kit; A/C Evaporator; Evaporator; Core - Air Conditioning Evaporator
Fits the following Mercury Models:
- Capri | 1984-1986 | 5.0, GS, RS, RS Turbo | 4 Cyl 2.3 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
- Cougar | 1984-1986 | Base, LS, XR-7 | 4 Cyl 2.3 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
- Marquis | 1984-1986 | Base, Brougham | 4 Cyl 2.3 L GAS, 4 Cyl 2.3 L LPG, 6 Cyl 3.8 L GAS
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Mercury Lower Case
Part Number: 1F1Z-19850-A
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core Case & Repair Kit.; Evaporator Core; Evaporator Case; Housing Assembly; Case Assembly
- Replaces: 1F1Z-19850-CA, YF3Z-19850-BA, YF1Z-19850-DB, XF3Z-19850-CB
Fits the following Mercury Models:
- Sable | 2005, 1996-2001 | G, GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Evaporator Core
Part Number: 1F1Z-19850-B
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core Case & Repair Kit.; Housing Assembly; Case Assembly
- Replaces: 1F1Z-19850-DA, YF1Z-19850-EB
Fits the following Mercury Models:
- Sable | 2004-2005, 1996-2001 | G, GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury 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
Fits the following Mercury Models:
- Mountaineer | 2002 | Base | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Evaporator Core, Driver Side
Part Number: 1W1Z-19850-CA
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core Repair Kit; A/C Evaporator; Housing Assembly; Case Assembly; Case; Housing
- Manufacturer Note: FROM 5/1/01
- Position: Driver Side
Fits the following Mercury Models:
- Grand Marquis | 1992-2002 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Housing Assembly
Part Number: 1W7Z-19850-CA
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core; Evaporator
- Manufacturer Note: w/manual A/C
Fits the following Mercury Models:
- Grand Marquis | 2001-2002 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Housing Assembly
Part Number: 1W7Z-19850-DA
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core; Evaporator
- Manufacturer Note: WITH ATC
Fits the following Mercury Models:
- Grand Marquis | 2001-2002 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Evaporator Core
Part Number: 2F1Z-19850-DA
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core Case; A/C Evaporator Core Repair Kit; Housing Assembly; Case Assembly; A/C Evaporator Core; A/C Evaporator; Evaporator
- Manufacturer Note: Use the following to attach 19850 to firewall: (3) 1L2Z-19C856-AA washers and N804109S309 nuts., with EATC, BEFORE 8/27/04
Fits the following Mercury Models:
- Sable | 2002-2005 | GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
View related parts
Mercury Evaporator Core, Front
Part Number: 3F2Z-19860-AA
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
Fits the following Mercury Models:
- Monterey | 2004-2007 | Base, Convenience, Luxury, Premier | 6 Cyl 4.2 L GAS
View related parts
Mercury 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
Fits the following Mercury Models:
- Mountaineer | 2002-2005 | 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 Evaporator Parts Questions & Experts Answers

Evaporator Core
XS2Z-19860-AA
Q: How to service and repair the evaporator core on Mercury Cougar?
A: The first step is to take away the heater/evaporator core housing followed by a disconnect of the blower motor/evaporator housing from the heater/evaporator housing by unfastening the bolts and rubber seal and nut and cover. The first step in servicing the evaporator includes unclipping the vacuum hose followed by disconnecting all housing parts before removing the evaporator. The right procedure for installation includes reversing the steps of removal. Also perform checks to verify normal air conditioning operations. You must install O-rings which have refrigerant oil coating together with gaskets on the new evaporator so they match their original positioning from the old evaporator.
Evaporator Assembly
3W7Z-19850-DA
Q: Is the evaporator core separately serviceable, and How to service it on Mercury Grand Marquis?
A: A replacement of the combination between evaporator core and housing assembly forms the necessary procedure. The suction accumulator requires replacement only in cases where contamination appears from failed A/C compressors or when the suction accumulator shows signs of damage. A leak test should occur before removing the evaporator core from the vehicle when such a leak is suspected. Service of the evaporator core begins with removing the housing before moving components from the old housing to a new housing for installation.
Evaporator Core
3W7Z-19860-AA
Q: Is the evaporator core separately serviceable, and how to replacement on Mercury Marauder?
A: A replacement for the entire evaporator core housing assembly is needed because service of the core is not possible separately. Replacement of suction accumulator (part number not specified) is unnecessary unless the A/C compressor failed or if the accumulator shows damage. Any suspected evaporator core leak needs to have its leak rate tested before extracting the part from its vehicle position. You must remove the evaporator core housing before moving components from the former housing to the new one. You need to install the fresh evaporator core housing at the conclusion of the process.