How to service and repair the power steering pump on a 4.0L engine on Mercury Mountaineer?

It takes about 15 minutes to service power steering pump of a 4.0L engine and the steps involved include: removing the fluid and hoisting the vehicle. Disassemble pump pulley, pump hoses and bolts. Take off the pump, put on a new Teflon seal, and fix the pump with bolts. Re-connect hoses, tighten fittings and refill system.

OEM Mercury Mountaineer Power Steering Pump

Power Steering Pump Unit

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8 Power Steering Pumps found

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Mercury Mountaineer Power Steering Pump Part Number: 4L2Z-3A674-AARM
$138.76 MSRP: $218.00
You Save: $79.24 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Remanufactured Pump Assembly - Power Steering; Pump Assembly - Power Steering
- Replaces: 4L2Z-3A674-AA, STP-144
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Power Steering Pump Part Number: 9L2Z-3A674-CRM
$186.00 MSRP: $293.02
You Save: $107.02 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Remanufactured Pump Assembly - Power Steering; Pump Assembly - Power Steering
- Replaces: STP-176, 6L2Z-3A674-BA, 6L2Z-3A674-C, STP-157
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS
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Mercury Mountaineer Power Steering Pump Part Number: F77Z-3A674-EBRM
$139.41 MSRP: $228.00
You Save: $88.59 (39%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Remanufactured Pump Assembly - Power Steering; Pump Assembly - Power Steering
- Replaces: F77Z-3A674-EARM
- 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
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Mercury Mountaineer Power Steering Pump Part Number: 9L2Z-3A674-ARM
$140.57 MSRP: $224.40
You Save: $83.83 (38%)
ADD TO CART
Product Specifications
- Other Name: Remanufactured Pump Assembly - Power Steering; Pump Assembly - Power Steering
- Replaces: 7L2Z-3A674-B, 9L2Z-3A674-A, STP-276, 9L2Z-3A696-A, STP-215, STP-262
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Power Steering Pump Part Number: 1L2Z-3A674-EBRM
$107.86 MSRP: $174.89
You Save: $67.03 (39%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Remanufactured Pump Assembly - Power Steering; Pump Assembly - Power Steering
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Mercury Mountaineer Power Steering Pump Part Number: 3L2Z-3A674-BARM
$175.62 MSRP: $276.36
You Save: $100.74 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Remanufactured Pump Assembly - Power Steering; Pump Assembly - Power Steering
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004 Mercury Mountaineer | Base, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Power Steering Pump Part Number: F77Z-3A674-DBRM
Product Specifications
- Other Name: Remanufactured Pump Assembly - Power Steering
- Replaces: F77Z-3A674-DARM
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2001 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS
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Mercury Mountaineer Power Steering Pump Part Number: 1L2Z-3A674-BDRM
$227.55 MSRP: $362.00
You Save: $134.45 (38%)
Product Specifications
- Other Name: Remanufactured Pump Assembly - Power Steering
- Manufacturer Note: Parts List No. 0 No service details, 4.6L
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2003 Mercury Mountaineer | Base | 8 Cyl 4.6 L GAS

Mercury Mountaineer Power Steering Pump

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Mercury Mountaineer Power Steering Pump Parts and Q&A

Power Steering Pump
9L2Z-3A674-CRM
Q: How to service and repair the power steering pump on a 4.0L engine on Mercury Mountaineer?
A: It takes about 15 minutes to service power steering pump of a 4.0L engine and the steps involved include: removing the fluid and hoisting the vehicle. Disassemble pump pulley, pump hoses and bolts. Take off the pump, put on a new Teflon seal, and fix the pump with bolts. Re-connect hoses, tighten fittings and refill system.