How to service and repair the steering knuckle on Mercury Mariner?

Repair steering knuckle: To remove the brake disc, wheel hub nut and tie-rod end nut without hammer use. Disassemble the wheel speed sensor, tie rod and low ball joint. Fit new wheel knuckle, torque components to desired level and verify front end alignment.

OEM Mercury Mariner Steering Knuckle

Front Steering Knuckle

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4 Steering Knuckles found

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Mercury Mariner Knuckle, Front Driver Side Part Number: 5L8Z-3K186-BA
$226.67 MSRP: $376.36
You Save: $149.69 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Knuckle - Front Wheel; Steering Knuckle, Front Left
- Position: Front Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2011 Mercury Mariner | Base, Convenience, Hybrid, Luxury, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Mariner Knuckle, Front Passenger Side Part Number: 5L8Z-3K185-BA
$221.49 MSRP: $376.36
You Save: $154.87 (42%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Knuckle - Front Wheel; Steering Knuckle, Front Right
- Position: Front Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2011 Mercury Mariner | Base, Convenience, Hybrid, Luxury, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Mariner Knuckle, Front Passenger Side Part Number: 2L8Z-3K185-BA
$81.77 MSRP: $113.12
You Save: $31.35 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Knuckle - Front Wheel; Steering Knuckle, Front Right
- Position: Front Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005 Mercury Mariner | Base, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
View related parts
Mercury Mariner Knuckle, Front Driver Side Part Number: 2L8Z-3K186-BA
$77.93 MSRP: $106.05
You Save: $28.12 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Knuckle - Front Wheel; Steering Knuckle, Front Left
- Position: Front Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005 Mercury Mariner | Base, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS

Mercury Mariner Steering Knuckle

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Mercury Mariner Steering Knuckle Parts and Q&A

Knuckle, Front Driver Side
5L8Z-3K186-BA
Q: How to service and repair the steering knuckle on Mercury Mariner?
A: Repair steering knuckle: To remove the Brake Disc, wheel hub nut and tie-rod end nut without hammer use. Disassemble the wheel speed sensor, tie rod and low ball joint. Fit new wheel knuckle, torque components to desired level and verify front end alignment.