How to service the A/C Accumulator for the 2.5L and 3.0L (4V) engines on Mercury Mariner?

To service A/C accumulator in 2.5L and 3.0L engines, recover refrigerant, disassemble front bumper, and disconnect fittings, replace seals and torque to specified value. Take out the accumulator, replace it when dirty and verify that the refrigerant system is lubricated and tested properly.

How to Service the A/C Accumulator on Mercury Mountaineer?

To service the HVAC accumulator, disconnect the battery ground cable and perform refrigerant recovery. Disconnect the A/C cycling switch and suction accumulator/drier, then remove it. Transfer the cycling switch to the new accumulator, and reinstall it, ensuring to use the correct PAG compressor oil.

OEM Mercury A/C Accumulator

Accumulator

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54 A/C Accumulators found

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Mercury Dehydrator Part Number: BL8Z-19C836-B
$65.27 MSRP: $107.40
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Product Specifications
- Other Name: Accumulator Assembly - Air Conditioning; A/C Accumulator; Drier Desiccant Element; A/C Receiver Drier; Drier; Accumulator
- Replaces: 9L8Z-19C836-A, BL8Z-19C836-A, YF-37142, YF-3463
Fits the following Mercury Models:
- Mariner | 2009-2011 | Base, Premier | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Dehydrator Part Number: XL2Z-19C836-AC
$63.87 MSRP: $105.09
You Save: $41.22 (40%)
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Product Specifications
- Other Name: Accumulator Assembly - Air Conditioning; Drier Desiccant Element; A/C Receiver Drier; A/C Accumulator; Drier; Accumulator
- Replaces: F87Z-19C836-AA
Fits the following Mercury Models:
- Mountaineer | 1998-2001 | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Dehydrator Part Number: BG1Z-19959-B
$53.85 MSRP: $88.60
You Save: $34.75 (40%)
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Product Specifications
- Other Name: Dehydrator Assembly; A/C Receiver Drier; Drier Desiccant Element; A/C Accumulator; Accumulator; Drier
- Replaces: 8G1Z-19C836-A, AG1Z-19959-A, BG1Z-19959-A, YL-197, 8A5Z-19959-A, 8G1Z-19C836-B, 8A5Z-19959-B, YL-202, YL-193, YL-206, YL-195
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury Dehydrator Part Number: 9M6Z-19959-A
$48.20 MSRP: $66.68
You Save: $18.48 (28%)
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Product Specifications
- Other Name: Dehydrator Assembly; A/C Receiver Drier; Drier Desiccant Element; A/C Accumulator; Drier
- Replaces: 8M6Z-19959-A, 8M6Z-19959-B
Fits the following Mercury Models:
- Mariner | 2008-2011 | Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Mercury Drier Part Number: XF1Z-19C836-AA
$160.59 MSRP: $222.16
You Save: $61.57 (28%)
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Product Specifications
- Other Name: Accumulator Assembly - Air Intake; A/C Accumulator; Drier Desiccant Element; A/C Receiver Drier; Accumulator; Accumulator Assembly - Air Conditioning
- Manufacturer Note: Tank, switch and hose asy., w/integral A/C
Fits the following Mercury Models:
- Sable | 1999-2001 | GS, LS, LS Premium | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Suction Hose Part Number: YW1Z-19C836-AA
$129.78 MSRP: $179.54
You Save: $49.76 (28%)
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Product Specifications
- Other Name: Accumulator Assembly - Air Intake; A/C Refrigerant Hose; Drier Element; A/C Receiver Drier; A/C Accumulator; Hose; Dehydrator; Drier; Accumulator Assembly - Air Conditioning; Accumulator
- Replaces: XW7Z-19C836-AA
Fits the following Mercury Models:
- Grand Marquis | 1999-2002 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Accumulator Part Number: 6M6Z-19C836-AB
$80.48 MSRP: $109.52
You Save: $29.04 (27%)
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Product Specifications
- Other Name: Accumulator Assembly - Air Conditioning; A/C Accumulator; A/C Receiver Drier
- Replaces: YF-3131, 5M6Z-19C836-AA, 6M6Z-19C836-AA
Fits the following Mercury Models:
- Mariner | 2006-2007 | Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV)
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Mercury Dehydrator Part Number: F5TZ-19C836-A
$133.47 MSRP: $184.64
You Save: $51.17 (28%)
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Product Specifications
- Other Name: Accumulator Assembly - Air Conditioning; Drier Desiccant Element; A/C Receiver Drier; A/C Accumulator; Drier; Accumulator
- Manufacturer Note: Tank only, w/integral A/C
Fits the following Mercury Models:
- Mountaineer | 1997 | Base | 8 Cyl 5.0 L GAS
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Mercury Dehydrator Part Number: F8CZ-19C836-AA
$15.05 MSRP: $20.82
You Save: $5.77 (28%)
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Product Specifications
- Other Name: Accumulator Assembly - Air Intake; Drier Desiccant Element; A/C Receiver Drier; A/C Accumulator; Accumulator; Accumulator Assembly - Air Conditioning
- Manufacturer Note: Tank only, for switch refer to 19E561, 2 door
Fits the following Mercury Models:
- Tracer | 1998-1999 | GS, LS, Trio | 4 Cyl 2.0 L GAS
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Mercury A/C Hose Part Number: F3DZ-19C836-EA
$45.79 MSRP: $63.35
You Save: $17.56 (28%)
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Product Specifications
- Other Name: Accumulator Assembly - Air Intake; A/C Refrigerant Liquid Hose; A/C Hoses; Hose; Accumulator Assembly - Air Conditioning
- Manufacturer Note: Tank and hose asy.,for switch refer to 19E561 , w/integral A/C, with R134A
Fits the following Mercury Models:
- Sable | 1992-1993 | GS, LS | 6 Cyl 3.0 L GAS
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Mercury Accumulator Part Number: 6F2Z-19C836-AB
$66.88 MSRP: $92.52
You Save: $25.64 (28%)
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Product Specifications
- Other Name: Accumulator Assembly - Air Conditioning; A/C Accumulator; A/C Receiver Drier
- Replaces: 6F2Z-19C836-AA, YF-3155
Fits the following Mercury Models:
- Monterey | 2004-2007 | Base, Convenience, Luxury, Premier | 6 Cyl 4.2 L GAS
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Mercury Suction Hose Part Number: F7AZ-19C836-AA
$118.31 MSRP: $163.67
You Save: $45.36 (28%)
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Product Specifications
- Other Name: Accumulator Assembly - Air Conditioning; A/C Refrigerant Hose; Drier Element; Receiver Drier; A/C Hose; Dehydrator; Drier; Accumulator
- Replaces: F6AZ-19C836-AB
Fits the following Mercury Models:
- Grand Marquis | 1994-1997 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Dehydrator Part Number: F8RZ-19C836-EA
$16.75 MSRP: $23.17
You Save: $6.42 (28%)
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Product Specifications
- Other Name: Accumulator Assembly - Air Intake; Drier Desiccant Element; A/C Receiver Drier; A/C Accumulator; Drier; Accumulator Assembly - Air Conditioning; Accumulator
- Manufacturer Note: Tank only, for switch refer to 19E561 , w/integral A/C
Fits the following Mercury Models:
- Cougar | 1999-2002 | Base, S, V6 | 6 Cyl 2.5 L GAS
- Mystique | 1996-2000 | GS, LS | 6 Cyl 2.5 L GAS
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Mercury Dehydrator Part Number: F5CZ-19C836-AA
$17.87 MSRP: $24.72
You Save: $6.85 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Accumulator Assembly - Air Intake; A/C Receiver Drier; A/C Accumulator; Accumulator; Accumulator Assembly - Air Conditioning
- Manufacturer Note: Tank only, for switch refer to 19E561 , w/integral A/C
Fits the following Mercury Models:
- Tracer | 1994-1996 | Base, LTS, Trio | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L GAS
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Mercury Drier Part Number: F7DZ-19C836-EA
$144.63 MSRP: $195.39
You Save: $50.76 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Accumulator Assembly - Air Conditioning; Drier Desiccant Element; A/C Receiver Drier; A/C Accumulator; Accumulator
- Manufacturer Note: Tank and hose asy.-for switch refer to 19E561, w/integral A/C
- Replaces: F7DZ-19C836-CB
Fits the following Mercury Models:
- Sable | 1996-1999 | G, GS, LS, LS Premium | 6 Cyl 3.0 L GAS
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Mercury Drier Part Number: 5F1Z-19C836-AB
Product Specifications
- Other Name: Accumulator Assembly - Air Conditioning; A/C Accumulator; Drier Desiccant Element; A/C Receiver Drier; Accumulator
- Replaces: 4F1Z-19C836-AB, 5F1Z-19C836-AA, 4F1Z-19C836-AA, 2F1Z-19C836-AA, YF-3099, YF-37394, YF-2975
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 Suction Hose Part Number: F8AZ-19C836-AA
Product Specifications
- Other Name: Accumulator Assembly - Air Intake; A/C Refrigerant Hose; Drier Element; A/C Receiver Drier; A/C Accumulator; Hose; Dehydrator; Drier; Accumulator Assembly - Air Conditioning; Accumulator
Fits the following Mercury Models:
- Grand Marquis | 1998 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Dehydrator Part Number: 6E5Z-19C836-A
Product Specifications
- Other Name: Accumulator Assembly - Air Conditioning; A/C Receiver Drier; A/C Accumulator; Drier Desiccant Element; Drier
Fits the following Mercury Models:
- Milan | 2006-2009 | Base, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury A/C Hoses Part Number: F4SZ-19C836-DA
Product Specifications
- Other Name: Accumulator Assembly - Air Intake; A/C Refrigerant Liquid Hose; Accumulator; A/C Hose; Hose
- Manufacturer Note: Tank only, for switch refer to 19E561, w/integral A/C
Fits the following Mercury Models:
- Cougar | 1994-1997 | XR-7 | 8 Cyl 4.6 L GAS
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Mercury Drier Part Number: JU2Z-19C836-B
Product Specifications
- Other Name: Accumulator Assembly - Air Conditioning; A/C Accumulator; Drier Desiccant Element; A/C Receiver Drier; Accumulator
- Replaces: 7L2Z-19C836-B, 6L2Z-19C836-A, 8L2Z-19C836-A, 7L2Z-19C836-A, YF-3330, YF-3492, YF-3284
Fits the following Mercury Models:
- Mountaineer | 2006-2010 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS

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Mercury A/C Accumulator Parts and Q&A

Dehydrator
BL8Z-19C836-B
Q: How to service the A/C Accumulator for the 2.5L and 3.0L (4V) engines on Mercury Mariner?
A: To service A/C accumulator in 2.5L and 3.0L engines, recover refrigerant, disassemble front bumper, and disconnect fittings, replace seals and torque to specified value. Take out the accumulator, replace it when dirty and verify that the refrigerant system is lubricated and tested properly.
Dehydrator
XL2Z-19C836-AC
Q: How to Service the A/C Accumulator on Mercury Mountaineer?
A: To service the HVAC accumulator, disconnect the battery ground cable and perform refrigerant recovery. Disconnect the A/C cycling switch and suction accumulator/drier, then remove it. Transfer the cycling switch to the new accumulator, and reinstall it, ensuring to use the correct PAG compressor oil.