How to Service and Repair the 6-Speed Automatic Transmission Oil Cooler Lines on Mercury Milan?

To fit the 6-speed transmission fluid cooler tubes, make sure that the vehicle is in neutral on a hoist. Take off the upper and lower tubes of radiator, get off shields needed and fit new parts. Install new O-rings, hose clamps and fluid check levels and then re-fill the fill plug.

How to Service and Repair the Automatic Transmission Oil Cooler Lines on Mercury Montego?

In order to repair transmission fluid cooler tubes, unhook them off the cooler and transaxle. Clean using mineral spirits,flush using clean automatic transmission fluid and dry using shop air. Use only recommended fluids. clean with backigator, with a strong flow. Install a new transmission fluid cooler after cleaning.

OEM Mercury Automatic Transmission Oil Cooler Line

AT Oil Cooler Hose

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31 Automatic Transmission Oil Cooler Lines found

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Mercury Inlet Tube Part Number: AG1Z-7R081-D
$80.23 MSRP: $116.78
You Save: $36.55 (32%)
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Product Specifications
- Other Name: Tube - Oil Cooler; Automatic Transmission Oil Cooler Hose Assembly; Automatic Transmission Oil Cooler Hose; Tube
- Replaces: AG1Z-7R081-A, 9G1Z-7R081-A
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury Outlet Tube Part Number: 9L8Z-7A030-A
$76.45 MSRP: $111.28
You Save: $34.83 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose Assembly - Outlet; Automatic Transmission Oil Cooler Hose Assembly; Automatic Transmission Oil Cooler Hose
- Manufacturer Note: Outlet
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 Tube Part Number: 7L2Z-7R081-F
$111.84 MSRP: $162.80
You Save: $50.96 (32%)
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Product Specifications
- Other Name: Tube Assembly; Automatic Transmission Oil Cooler Hose
- Replaces: 7L2Z-7R081-D, 7L2Z-7R081-B
Fits the following Mercury Models:
- Mountaineer | 2007-2010 | Premier | 8 Cyl 4.6 L GAS
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Mercury Cooler Pipe Part Number: AL8Z-7R081-A
$73.03 MSRP: $112.38
You Save: $39.35 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Tube Assembly; Automatic Transmission Oil Cooler Hose Assembly; Automatic Transmission Oil Cooler Tube
- Replaces: 9L8Z-7R081-A
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 Inlet Tube Part Number: 9L8Z-7A031-A
$72.42 MSRP: $105.42
You Save: $33.00 (32%)
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Product Specifications
- Other Name: Hose Assembly - Inlet; Automatic Transmission Oil Cooler Hose Assembly; Automatic Transmission Oil Cooler Hose
- Manufacturer Note: Inlet
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 Tube Part Number: 7L2Z-7R081-E
$93.08 MSRP: $135.48
You Save: $42.40 (32%)
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Product Specifications
- Other Name: Tube Assembly; Automatic Transmission Oil Cooler Hose Assembly and Tube.
- Replaces: 7L2Z-7R081-C
Fits the following Mercury Models:
- Mountaineer | 2006-2010 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS
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Mercury Return Tube Part Number: 8L8Z-7A031-A
$55.36 MSRP: $79.20
You Save: $23.84 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Tube - Oil Cooler; Automatic Transmission Oil Cooler Tube
Fits the following Mercury Models:
- Mariner | 2008 | Base, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Connector Tube Part Number: CE5Z-7R081-A
$42.78 MSRP: $61.20
You Save: $18.42 (31%)
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Product Specifications
- Other Name: Tube Assembly; Automatic Transmission Oil Cooler Hose Assembly; Automatic Transmission Oil Cooler Hose
- Replaces: 9E5Z-7R081-A
Fits the following Mercury Models:
- Milan | 2010-2011 | Base, Premier | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX
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Mercury Cooler Line Part Number: 5F9Z-7R081-BA
$38.96 MSRP: $53.89
You Save: $14.93 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Tube Assembly; Automatic Transmission Oil Cooler Hose Assembly; Tube
Fits the following Mercury Models:
- Montego | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
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Mercury Pressure Line Part Number: 8L8Z-7890-A
$100.51 MSRP: $146.30
You Save: $45.79 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose Assembly; Automatic Transmission Oil Cooler Hose Assembly
Fits the following Mercury Models:
- Mariner | 2008 | Base, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Return Line Part Number: 8L8Z-7890-C
$90.42 MSRP: $139.15
You Save: $48.73 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose Assembly; Automatic Transmission Oil Cooler Hose Assembly
Fits the following Mercury Models:
- Mariner | 2008 | Base, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Pressure Line Tube Part Number: 6L8Z-7A030-A
$12.28 MSRP: $17.42
You Save: $5.14 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Tube - Oil Cooler; Automatic Transmission Oil Cooler Tube
Fits the following Mercury Models:
- Mariner | 2008 | Base, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Cooler Line Part Number: 6F2Z-7R081-A
$47.13 MSRP: $65.20
You Save: $18.07 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Tube Assembly; Automatic Transmission Oil Cooler Hose
- Replaces: 4F2Z-7R081-AA
Fits the following Mercury Models:
- Monterey | 2004-2007 | Base, Convenience, Luxury, Premier | 6 Cyl 4.2 L GAS
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Mercury Cooler Line, Driver Side Part Number: 6L2Z-7890-C
Product Specifications
- Other Name: Hose - Oil Cooler; Automatic Transmission Oil Cooler Hose, Left; Hose; Transmission Oil Cooler Hose
- Position: Driver Side
Fits the following Mercury Models:
- Mountaineer | 2005-2006 | 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 Cooler Line Part Number: 1L2Z-7890-AA
Product Specifications
- Other Name: Hose - Oil Cooler; Automatic Transmission Oil Cooler Hose
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 Cooler Line Part Number: 6F2Z-7A031-A
Product Specifications
- Other Name: Tube; Automatic Transmission Oil Cooler Hose
- Replaces: 2F2Z-7A031-AA
Fits the following Mercury Models:
- Monterey | 2004-2007 | Base, Convenience, Luxury, Premier | 6 Cyl 4.2 L GAS
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Mercury By-Pass Valve Part Number: 8G1Z-7R081-A
Product Specifications
- Other Name: Tube Assembly; Automatic Transmission Oil Cooler Hose; Transmission Oil Cooler Line; Cooler Pipe
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury Hose Part Number: XS2Z-7A031-FB
Product Specifications
- Other Name: Hose - Oil Cooler; Transmission Oil Cooler Hose
- Manufacturer Note: Outlet - bottom line at radiator - female swivel nut on radiator end, inverted nut on tranaxle end, CD4E, FROM 11/22/99
- Replaces: XS2Z-7A031-FA
Fits the following Mercury Models:
- Cougar | 1999-2002 | Base, S, V6 | 6 Cyl 2.5 L GAS
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Mercury Cooler Line Part Number: 1L2Z-7R081-BD
Product Specifications
- Other Name: Tube Assembly
Fits the following Mercury Models:
- Mountaineer | 2004 | Base, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Mercury Cooler Line Part Number: 6L2Z-7R081-A
Product Specifications
- Other Name: Tube Assembly; Automatic Transmission Oil Cooler Hose Assembly; Tube
Fits the following Mercury Models:
- Mountaineer | 2005 | Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS

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Mercury Automatic Transmission Oil Cooler Line Parts and Q&A

Inlet Pipe
6E5Z-7A030-A
Q: How to Service and Repair the 6-Speed Automatic Transmission Oil Cooler Lines on Mercury Milan?
A: To fit the 6-speed transmission fluid cooler tubes, make sure that the vehicle is in neutral on a hoist. Take off the upper and lower tubes of radiator, get off shields needed and fit new parts. Install new O-rings, hose clamps and fluid check levels and then re-fill the fill plug.
Cooler Line
5F9Z-7R081-BA
Q: How to Service and Repair the Automatic Transmission Oil Cooler Lines on Mercury Montego?
A: In order to repair transmission fluid cooler tubes, unhook them off the cooler and transaxle. Clean using mineral spirits,flush using clean automatic transmission fluid and dry using shop air. Use only recommended fluids. clean with backigator, with a strong flow. Install a new transmission fluid cooler after cleaning.