How to service and repair the harmonic balancer and crankshaft pulley on Ford Mustang?

The vehicle must be raised onto a hoist placed in neutral position for servicing or repairing harmonic balancer and crankshaft pulley. It is necessary to remove the air cleaner (ACL) outlet pipe followed by the accessory drive belt. Because the crankshaft pulley bolt operates at torque-to-yield strength do not reuse it. Utilize a strap wrench to keep the crankshaft pulley steady when removing the bolt along with its washer. The crankshaft vibration damper remover will fail to remove the pulley if it starts from an uninitialized pulley bolt position. Thus the bolt should be installed 2 to 3 turns at the start. The crankshaft vibration damper removers with two 8-mm bolts serve to detach the crankshaft pulley before discarding the crankshaft pulley bolt. The crankshaft vibration damper installer tool should be used for fitting the new crankshaft pulley. Apply the strap wrench to hold the crankshaft pulley during new crankshaft pulley bolt placement before tightening until it reaches 55 Nm (41 lb-ft) torque followed by an 85-degree addition. Reinstall both the accessory drive belt along with the ACL outlet pipe after completion.

OEM Ford Mustang Harmonic Balancer

Engine Harmonic Balancer

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24 Harmonic Balancers found

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Ford Mustang 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:
- 2005-2010 Ford Mustang | Base | 6 Cyl 4.0 L GAS
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Ford Mustang Crankshaft Pulley Part Number: BR3Z-6312-A
$141.06 MSRP: $205.33
You Save: $64.27 (32%)
ADD TO CART
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Vibration Damper; Pulley
- Replaced by: NR3Z-6312-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2014 Ford Mustang | GT | 8 Cyl 5.0 L GAS
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Ford Mustang Vibration Damper Part Number: XR3Z-6B321-AA
$314.62 MSRP: $462.00
You Save: $147.38 (32%)
ADD TO CART
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Damper & Pulley
- Manufacturer Note: Includes pulley,damper and pulse ring. For engine tags AK-530/531-AA, SK-530/531-AA, KK-530/531-AA only.
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2000 Ford Mustang | Base | 6 Cyl 3.8 L GAS
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Ford Mustang Crankshaft Pulley Part Number: BR3Z-6312-D
$156.87 MSRP: $228.33
You Save: $71.46 (32%)
ADD TO CART
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Vibration Damper; Pulley
- Replaces: BR3Z-6312-C, BR3Z-6312-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2017 Ford Mustang | Base, V6 | 6 Cyl 3.7 L GAS
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Ford Mustang Crankshaft Pulley Part Number: KR3Z-6312-C
$688.05 MSRP: $1019.33
You Save: $331.28 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pulley - Crankshaft; Vibration Damper
- Replaces: KR3Z-6312-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2020-2022 Ford Mustang | Shelby GT500 | 8 Cyl 5.2 L GAS
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Ford Mustang Crankshaft Pulley Part Number: P2GZ-6312-A
$120.66 MSRP: $175.63
You Save: $54.97 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Pulley - Crankshaft; Pulley
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2024 Ford Mustang | EcoBoost, EcoBoost Premium | 4 Cyl 2.3 L GAS
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Ford Mustang Crankshaft Pulley Part Number: NR3Z-6312-A
$141.06 MSRP: $205.33
You Save: $64.27 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Pulley
- Replaces: KR3Z-6312-B, JR3Z-6312-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2024 Ford Mustang | Bullitt, Dark Horse, Dark Horse Premium, GT, GT Premium, Mach 1 | 8 Cyl 5.0 L GAS
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Ford Mustang Crankshaft Pulley Part Number: NJ5Z-6312-A
$128.88 MSRP: $198.33
You Save: $69.45 (36%)
ADD TO CART
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Vibration Damper; Pulley
- Replaces: CJ5Z-6312-F, CJ5Z-6312-C, CJ5Z-6312-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2023 Ford Mustang | EcoBoost, EcoBoost Premium | 4 Cyl 2.3 L GAS
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Ford Mustang Pulley Part Number: 2R3Z-6312-BAA
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004 Ford Mustang | Mach 1, SVT Cobra, SVT Cobra 10th Anniversary | 8 Cyl 4.6 L GAS
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Ford Mustang Crankshaft Pulley Part Number: CR3Z-6312-A
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Pulley
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2012-2013 Ford Mustang | Boss 302, GT | 8 Cyl 5.0 L GAS
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Ford Mustang Crank Pulley Part Number: F6ZZ-6312-AB
Product Specifications
- Other Name: Damper Assembly; Engine Crankshaft Pulley; Harmonic Balancer; Pulley
- Manufacturer Note: 4V
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004, 2001, 1996-1999 Ford Mustang | GT, Mach 1, SVT Cobra | 8 Cyl 4.6 L GAS
View related parts
Ford Mustang Crankshaft Pulley Part Number: XR3Z-6312-DA
Product Specifications
- Other Name: Damper Assembly; Engine Crankshaft Pulley; Harmonic Balancer; Pulley
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2000 Ford Mustang | GT | 8 Cyl 4.6 L GAS
View related parts
Ford Mustang Vibration Damper Part Number: 1R3Z-6B321-BA
$235.21 MSRP: $345.38
You Save: $110.17 (32%)
Product Specifications
- Other Name: Pulley - Crankshaft; Harmonic Balancer; Damper & Pulley
- Manufacturer Note: Inc. pulley and pulse ring.Only for engine tags AK-530/531-BA, SK-530/531-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2004 Ford Mustang | Base | 6 Cyl 3.8 L GAS, 6 Cyl 3.9 L GAS
View related parts
Ford Mustang Crankshaft Pulley Part Number: 8R3Z-6312-D
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Pulley
- Replaces: 8R3Z-6312-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2012 Ford Mustang | Shelby GT500, Shelby GT500KR | 8 Cyl 5.4 L GAS
View related parts
Ford Mustang Crankshaft Pulley Part Number: GR3Z-6312-B
$108.89 MSRP: $158.50
You Save: $49.61 (32%)
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Vibration Damper
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2020 Ford Mustang | Shelby GT350, Shelby GT350R | 8 Cyl 5.2 L GAS
View related parts
Ford Mustang Vibration Damper Part Number: E4TZ-6316-A
$119.08 MSRP: $173.33
You Save: $54.25 (32%)
Product Specifications
- Other Name: Pulley - Crankshaft; Harmonic Balancer; Damper
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1985-1995 Ford Mustang | GT, GTS, LX, SVT Cobra, SVT Cobra R | 8 Cyl 5.0 L GAS
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Ford Mustang 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:
- 2001-2004 Ford Mustang | GT, GT Bullitt, Mach 1 | 8 Cyl 4.6 L GAS
View related parts
Ford Mustang Crankshaft Pulley Part Number: 7R3Z-6312-AA
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Pulley
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2008 Ford Mustang | Shelby GT500, Shelby GT500KR | 8 Cyl 5.4 L GAS
View related parts
Ford Mustang Pulley Part Number: D9ZZ-6A312-A
Product Specifications
- Other Name: Pulley - Crankshaft; Harmonic Balancer
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1993 Ford Mustang | GT, L, LX, SVT Cobra, SVT Cobra R | 8 Cyl 5.0 L GAS
View related parts
Ford Mustang Vibration Damper Part Number: F6ZZ-6B321-A
Product Specifications
- Other Name: Pulley - Crankshaft; Harmonic Balancer; Damper & Pulley
- Manufacturer Note: Incl. inner,outer pulleys & pulse ring
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996-1998 Ford Mustang | Base | 6 Cyl 3.8 L GAS

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1-20 of 24 Results

Ford Mustang Harmonic Balancer

OEM Harmonic Balancer boasts unmatched quality. Each part goes through full quality checks. They adhere to Ford's official factory standards. These steps remove flaws and inconsistencies. So you can get Harmonic Balancer with long life and a perfect fit. Come to our website and find genuine Ford Mustang parts. We keep a wide inventory of OEM Mustang parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

Ford Mustang Harmonic Balancer is one of those parts that improve the performance as well as the durability of Ford Mustang vehicles. Located between the engine and transmission the Harmonic Balancer is developed to reduce the torque fluctuations inherent in the combustion process that can cause considerable stress to the crankshaft. This essential part usually consists of a heavy metal centre which is mounted on crank shaft that has a steel ring of high inertia encased in a rubber ring of torped shape to counter any twisting force. There have been numerous types throughout the history of the Ford Mustang; traditional, viscous fluid type, and multi-piece tunable to meet the need of as many kinds of Mustang as possible. For factory engine tunes and modified settings, the Harmonic Balancer is designed to guard against elevated vibration levels at every speed level and add to that, the overall performance and functional safety. While performance-oriented balancers are usually featureless, some of them do offer such enhancements as 360-degree timing marks that will make the process much easier. Performance has always been the hallmark of the Ford Mustang, and this has been well-enhanced by reliability of the Harmonic Balancer in the market. For over forty years since its release, the Ford Mustang adorned the wheels of more than 10,000,000 fans and the Harmonic Balancer as a part of the iconic car shows that Ford is not only a powerful manufacturer but a company that carefully pays attention to details and conquers them. Finally, it is recommended to underline that the Ford Mustang Harmonic Balancer is rather essential in terms of the vehicle's performance and durability, thus making the Mustang car absolutely worthy to be chosen by those drivers, who look for both the comfort and the style.

Ford Mustang Harmonic Balancer Parts and Q&A

Crankshaft Pulley
4R3Z-6312-A
Q: How to service and repair the harmonic balancer and crankshaft pulley on Ford Mustang?
A:
The vehicle must be raised onto a hoist placed in neutral position for servicing or repairing harmonic balancer and crankshaft pulley. It is necessary to remove the air cleaner (ACL) outlet pipe followed by the accessory Drive Belt. Because the crankshaft pulley bolt operates at torque-to-yield strength do not reuse it. Utilize a strap wrench to keep the crankshaft pulley steady when removing the bolt along with its washer. The crankshaft vibration damper remover will fail to remove the pulley if it starts from an uninitialized pulley bolt position. Thus the bolt should be installed 2 to 3 turns at the start. The crankshaft vibration damper removers with two 8-mm bolts serve to detach the crankshaft pulley before discarding the crankshaft pulley bolt. The crankshaft vibration damper installer tool should be used for fitting the new crankshaft pulley. Apply the strap wrench to hold the crankshaft pulley during new crankshaft pulley bolt placement before tightening until it reaches 55 Nm (41 lb-ft) torque followed by an 85-degree addition. Reinstall both the accessory drive belt along with the ACL outlet pipe after completion.