How to Service the Power Steering Cooler on Mercury Grand Marquis?

Switch off air suspension power; switch off service switch to avoid shifting. Eliminate radiator cover shield and pushpins; two condenser-to-radiator nuts; two bolts and brackets. Unscrew clamps, remove hoses, empty. Raise vehicle, repeat, drain. Pull out two cooler to radiator bolts; lower, back move radiator, pull off cooler/hoses. Install, purge, leak check, refill.

How to Ensure Proper Functioning of the Power Steering Cooler in a Mercury Mariner?

To maintain the power steering cooler, discharge the fluid, take off the front bumper cover and cut off the hose. Take away the cooler nuts and bolts tightening them to 10 Nm when putting them back. Uninstallation and installation Reverse the removal process and refill the system without contamination where they can damage the components.

OEM Mercury Power Steering Cooler

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24 Power Steering Coolers found

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Mercury Oil Cooler, Front Part Number: YL5Z-3D746-BA
$161.95 MSRP: $224.04
You Save: $62.09 (28%)
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Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler, Front; Power Steering Cooler; Oil Cooler Assembly
- Manufacturer Note: with torsion bar front suspension
- Position: Front
- Replaces: F77Z-3D746-DA
Fits the following Mercury Models:
- Mountaineer | 1998-2001 | Base | 6 Cyl 4.0 L GAS
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Mercury Oil Cooler, Front Part Number: 9G1Z-3D746-A
$195.22 MSRP: $284.17
You Save: $88.95 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler, Front; Power Steering Cooler
- Manufacturer Note: Unfinned cooling tube
- Position: Front
- Replaces: 8A5Z-3D746-A, 8G1Z-3D746-A
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury Oil Cooler Part Number: 1L2Z-3D746-AA
$267.20 MSRP: $369.64
You Save: $102.44 (28%)
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Product Specifications
- Other Name: Coil - Cooling; Power Steering Return Hose; Power Steering Cooler; Power Steerin Cooler
Fits the following Mercury Models:
- Mountaineer | 2002-2005 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Mercury Power Steering Return Hose, Front Part Number: 3L8Z-3D746-AA
$112.78 MSRP: $156.01
You Save: $43.23 (28%)
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Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler Line, Front; Power Steering Hose; Power Steering Cooler Tube
- Position: Front
- Replaces: YL8Z-3D746-AA
Fits the following Mercury Models:
- Mariner | 2005-2007 | Base, Convenience, Hybrid, Luxury, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Power Steering Cooler Part Number: 5W1Z-3F749-A
$248.91 MSRP: $365.50
You Save: $116.59 (32%)
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Product Specifications
- Other Name: Coil - Cooling; Power Steerin Cooler
- Manufacturer Note: Transmission & power steering cooler, with and without Police
- Replaces: 3W1Z-3F749-AA
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 Oil Cooler, Front Part Number: 6F9Z-3D746-A
$127.47 MSRP: $196.17
You Save: $68.70 (36%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler, Front; Power Steering Cooler Tube; Power Steering Cooler
- Position: Front
- Replaces: 5F9Z-3D746-AA
Fits the following Mercury Models:
- Montego | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
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Mercury Power Steering Oil Cooler Part Number: F8CZ-3D746-AA
$8.93 MSRP: $12.35
You Save: $3.42 (28%)
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Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler; Power Steering Cooler Tube
- Manufacturer Note: 2 Door Coupe
Fits the following Mercury Models:
- Tracer | 1998-1999 | GS, LS, Trio | 4 Cyl 2.0 L GAS
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Mercury Power Steering Cooler Part Number: 8W1Z-3D746-A
$143.06 MSRP: $197.91
You Save: $54.85 (28%)
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Product Specifications
- Other Name: Coil - Cooling
- Replaces: 6W1Z-3D746-AA
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 Power Steering Cooler, Front Part Number: F6DZ-3D746-C
$52.90 MSRP: $71.98
You Save: $19.08 (27%)
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Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler, Front
- Position: Front
Fits the following Mercury Models:
- Sable | 1996-2003 | GS, LS, LS Premium | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Power Steering Cooler, Front Part Number: F8DZ-3F749-CA
Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler, Front; Cooler Assembly
- Position: Front
- Replaces: F7DZ-3F749-AA, F7DZ-3F749-BA
Fits the following Mercury Models:
- Sable | 1997-2005 | GS, LS, LS Premium | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Oil Cooler Part Number: F5AZ3D746A
Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler; Power Steering Oil Cooler
Fits the following Mercury Models:
- Grand Marquis | 1995-2002 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Oil Cooler Part Number: AL2Z-3D746-A
Product Specifications
- Other Name: Coil - Cooling; Power Steering Return Hose; Power Steering Cooler; Power Steering Hose; Return Hose
- Replaces: 7L2Z-3D746-A, 8L2Z-3D746-B, 9L2Z-3D746-A, 8L2Z-3D746-A
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 Power Steering Cooler Part Number: F5AZ3D746B
Product Specifications
- Other Name: Coil - Cooling; Power Steering Oil Cooler
Fits the following Mercury Models:
- Grand Marquis | 1995-1997 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Power Steering Cooler, Front Part Number: F6DZ-3D746-A
Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler, Front
- Position: Front
Fits the following Mercury Models:
- Sable | 1996-2003 | G, GS, LS, LS Premium | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Power Steering Cooler, Front Part Number: F87Z-3D746-CA
Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler, Front; Oil Cooler Assembly
- Manufacturer Note: 5.0L
- Position: Front
Fits the following Mercury Models:
- Mountaineer | 1998-2001 | Base | 8 Cyl 5.0 L GAS
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Mercury Power Steering Cooler, Front Part Number: F8DZ-3F749-DA
Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler, Front
- Position: Front
Fits the following Mercury Models:
- Sable | 2000-2005 | GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Power Steering Cooler Part Number: XF5Z-3D746-AA
Product Specifications
- Other Name: Coil - Cooling
- Manufacturer Note: (B) see 3F682(B) for 93/95 & 3A713(D) for 96/97, BEFORE 3/1/01
Fits the following Mercury Models:
- Villager | 1999-2002 | Base, Estate, Sport | 6 Cyl 3.3 L GAS
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Mercury Cooler Assembly Part Number: XS2Z3D746EA
Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler
Fits the following Mercury Models:
- Mystique | 1999-2000 | GS | 4 Cyl 2.0 L GAS
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Mercury Power Steering Cooler Part Number: XS8Z-3D746-MA
Product Specifications
- Other Name: Coil - Cooling; Power Steering Oil Cooler
- Manufacturer Note: Power steering cooler only - top tube is finned, bottom tube is unfinned., A/T or M/T
Fits the following Mercury Models:
- Cougar | 1999-2002 | Base, S, V6 | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Mercury Oil Cooler Part Number: YW1Z-3F749-AB
Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler; Power Steering Oil Cooler
Fits the following Mercury Models:
- Grand Marquis | 1998-2002 | GS, LS | 8 Cyl 4.6 L GAS

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Mercury Power Steering Cooler Parts and Q&A

Power Steering Cooler
5W1Z-3F749-A
Q: How to Service the Power Steering Cooler on Mercury Grand Marquis?
A: Switch off air suspension power; switch off service switch to avoid shifting. Eliminate radiator cover shield and pushpins; two condenser-to-radiator nuts; two bolts and brackets. Unscrew clamps, remove hoses, empty. Raise vehicle, repeat, drain. Pull out two cooler to radiator bolts; lower, back move radiator, pull off cooler/hoses. Install, purge, leak check, refill.
Power Steering Return Hose, Front
3L8Z-3D746-AA
Q: How to Ensure Proper Functioning of the Power Steering Cooler in a Mercury Mariner?
A: To maintain the power steering cooler, discharge the fluid, take off the front bumper cover and cut off the hose. Take away the cooler nuts and bolts tightening them to 10 Nm when putting them back. Uninstallation and installation Reverse the removal process and refill the system without contamination where they can damage the components.