How to service and repair the harmonic balancer and crankshaft pulley on Mercury Mountaineer?

In order to service the harmonic balancer and crank shaft pulley, raise up the vehicle and take out the fan shroud and accessory drive belt. Hold onto the crankshaft pulley with a Strap Wrench and take off the torque-to-yield bolt. Install the new pulley using a Crankshaft Vibration Damper Installer and screwing the bolt in two steps. Install the shroud and the belt again.

OEM Mercury Mountaineer Harmonic Balancer

Engine Harmonic Balancer

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5 Harmonic Balancers found

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Mercury Mountaineer Crankshaft Pulley Part Number: 8L2Z-6B321-C
$167.17 MSRP: $243.33
You Save: $76.16 (32%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Vibration Damper; Pulley
- Replaces: 2L2Z-6B321-AA, 3L2Z-6B321-AA, XL2Z-6B321-AA, 8L2Z-6B321-A, F77Z-6B321-AB, XL2Z-6312-BA, FOTZ-6B321-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Mercury Mountaineer Crankshaft Pulley Part Number: XL2Z-6312-BA
$196.74 MSRP: $243.33
You Save: $46.59 (20%)
ADD TO CART
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Serpentine Belt Drive Kit; Harmonic Balancer; Vibration Damper; Vibration Damper & Pulley; Pulley; Damper
- Replaced by: 8L2Z-6B321-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Mountaineer Crankshaft Pulley Part Number: F67Z-6312-AA
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Serpentine Belt Drive Kit; Harmonic Balancer; Pulley
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Mountaineer Crankshaft Pulley Part Number: 4R3Z-6312-A
$85.76 MSRP: $124.83
You Save: $39.07 (32%)
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Vibration Damper; Pulley
- Replaces: 4R3Z-6312-BA, 8R3Z-6312-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Mercury Mountaineer | Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Crankshaft Pulley Part Number: 1W7Z-6312-AA
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Vibration Damper; Pulley
- Replaces: 1W7Z-6312-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS

Mercury Mountaineer Harmonic Balancer

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Mercury Mountaineer Harmonic Balancer Parts and Q&A

Crankshaft Pulley
4R3Z-6312-A
Q: How to service and repair the harmonic balancer and crankshaft pulley on Mercury Mountaineer?
A: In order to service the harmonic balancer and crank shaft pulley, raise up the vehicle and take out the Fan Shroud and accessory Drive Belt. Hold onto the crankshaft pulley with a Strap Wrench and take off the torque-to-yield bolt. Install the new pulley using a Crankshaft Vibration Damper Installer and screwing the bolt in two steps. Install the shroud and the belt again.