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

The process of harmonic balancer and crankshaft pulley servicing begins with removal of the timing chain followed by wire harness disconnection with proper placement and subsequent removal of the radiator fan assembly. The service starts with removing the engine dynamic balance shaft through bolt removal which allows detachment of the balance shaft driver gear and thrust plate while separating the engine dynamic balance shaft into an assembly. When installing the engine dynamic balance shaft assembly into the cylinder block position the camshaft at 12 o'clock before alignment of the timing marks between the engine balance shaft drive gear and the engine balance shaft driven gear. When installation is perfect the timing marks on both the engine dynamic balance shaft keyway and camshaft keyway will be at 12 o'clock and 6 o'clock positions. The correct installation requires reattaching the radiator fan and shroud assembly before connecting the connector and installing the pin-type retainer and timing chain.

How to service the Harmonic Balancer on Ford Ranger?

The service of crankshaft pulley starts with fan shroud removal followed by drive belt bolt loosening. The drive belt must be loosened from its position then removed from the bolt. A three-bolt puller represents the appropriate tool for assembling and disassembling the crankshaft pulley because prying with other objects can cause damage to the assembly. First remove the crankshaft pulley before you can remove its bolt along with the washer afterward to complete the pulley removal process. Put the washer onto the bolt before installation since it will help secure the crankshaft pulley assembly according to its specifications. Fitting the crankshaft pulley assembly with its bolt and washer enables drive belt reinstallation. The final step involves tightening the bolt while reinstalling the fan as well as the shroud.

OEM Ford Harmonic Balancer

Engine Harmonic Balancer

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110 Harmonic Balancers found

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Ford Crankshaft Pulley Part Number: EL3Z-6312-A
$99.62 MSRP: $145.00
You Save: $45.38 (32%)
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Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Vibration Damper
- Manufacturer Note: 4 Rib Design
Fits the following Ford Models:
- F-150 | 2014-2017 | FX2, FX4, King Ranch, Lariat, Platinum, SSV, STX, XL, XLT | 8 Cyl 5.0 L FLEX
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Ford Crankshaft Pulley Part Number: 8L2Z-6B321-C
$167.17 MSRP: $243.33
You Save: $76.16 (32%)
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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
Fits the following Ford Models:
- Explorer | 1997-2010 | Eddie Bauer, Limited, NBX, Postal, Sport, XL, XL Fleet, XLS, XLS Sport, XLT, XLT Sport | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
- Explorer Sport Trac | 2007-2010, 2003-2005 | Adrenalin, Limited, XLS, XLT | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
- Mustang | 2005-2010 | Base | 6 Cyl 4.0 L GAS
- Ranger | 2001-2011 | Edge, FX4, Sport, STX, Tremor, XL, XLT | 6 Cyl 4.0 L GAS
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Ford Vibration Damper Part Number: XR3Z-6B321-AA
$314.62 MSRP: $462.00
You Save: $147.38 (32%)
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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.
Fits the following Ford Models:
- Mustang | 1999-2000 | Base | 6 Cyl 3.8 L GAS
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Ford Crankshaft Pulley Part Number: CM5Z-6312-H
$95.38 MSRP: $138.83
You Save: $43.45 (32%)
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Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Pulley
- Replaces: CM5Z-6312-B, CM5Z-6312-F, CM5Z-6312-J
Fits the following Ford Models:
- Focus | 2012-2018 | S, SE, SEL, Titanium | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS
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Ford Crankshaft Pulley Part Number: CM5Z-6312-G
$96.52 MSRP: $140.50
You Save: $43.98 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Pulley
Fits the following Ford Models:
- EcoSport | 2018-2022 | S, SE, SES, Titanium | 4 Cyl 2.0 L GAS
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Ford Crankshaft Pulley Part Number: 1L3Z-6312-AA
$293.97 MSRP: $431.67
You Save: $137.70 (32%)
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Product Specifications
- Other Name: Pulley - Crankshaft; Harmonic Balancer
- Manufacturer Note: Lightning
Fits the following Ford Models:
- F-150 | 2001-2003 | Harley-Davidson Edition, King Ranch, Lariat, Lightning, XL, XLT | 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
- F-150 Heritage | 2004 | SVT Lightning, XL, XLT | 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
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Ford Crankshaft Pulley Part Number: BM5Z-6312-A
$262.19 MSRP: $385.00
You Save: $122.81 (32%)
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Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Pulley
Fits the following Ford Models:
- Escape | 2013-2019 | SE, SEL, Titanium | 4 Cyl 1.5 L GAS, 4 Cyl 1.6 L GAS
- Fusion | 2013-2020 | SE, SEL | 4 Cyl 1.5 L GAS, 4 Cyl 1.6 L GAS
- Transit Connect | 2014-2016 | Titanium, XL, XLT | 4 Cyl 1.6 L GAS
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Ford Crankshaft Pulley Part Number: KR3Z-6312-C
$645.75 MSRP: $956.67
You Save: $310.92 (33%)
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Product Specifications
- Other Name: Pulley - Crankshaft; Vibration Damper
- Replaces: KR3Z-6312-A
Fits the following Ford Models:
- Mustang | 2020-2022 | Shelby GT500 | 8 Cyl 5.2 L GAS
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Ford Crankshaft Pulley Part Number: JL3Z-6312-B
$366.61 MSRP: $538.33
You Save: $171.72 (32%)
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Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Vibration Damper; Pulley
Fits the following Ford Models:
- F-150 | 2018-2021 | King Ranch, Lariat, Platinum, XL, XLT | 6 Cyl 3.0 L DIESEL
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Ford Crankshaft Pulley Part Number: NR7Z-6312-A
$696.38 MSRP: $1031.67
You Save: $335.29 (33%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pulley - Crankshaft
Fits the following Ford Models:
- F-150 | 2023 | Raptor R | 8 Cyl 5.2 L GAS
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Ford Crankshaft Pulley Part Number: BB3Z-6312-A
$159.16 MSRP: $231.67
You Save: $72.51 (32%)
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Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Pulley
Fits the following Ford Models:
- Transit-150 | 2015-2019 | Base, XL, XLT | 5 Cyl 3.2 L DIESEL
- Transit-250 | 2015-2019 | Base, PTV | 5 Cyl 3.2 L DIESEL
- Transit-350 | 2015-2019 | Base, XL, XLT | 5 Cyl 3.2 L DIESEL
- Transit-350 HD | 2015-2019 | Base, XL, XLT | 5 Cyl 3.2 L DIESEL
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Ford Crankshaft Pulley Part Number: NR3Z-6312-A
$128.24 MSRP: $186.67
You Save: $58.43 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Pulley
- Replaces: KR3Z-6312-B, JR3Z-6312-A
Fits the following Ford Models:
- F-150 | 2023 | Raptor R | 8 Cyl 5.2 L GAS
- Mustang | 2018-2024 | Bullitt, Dark Horse, Dark Horse Premium, GT, GT Premium, Mach 1 | 8 Cyl 5.0 L GAS
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Ford Crankshaft Pulley Part Number: L1MZ-6312-A
$113.93 MSRP: $165.83
You Save: $51.90 (32%)
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Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Vibration Damper; Pulley
Fits the following Ford Models:
- Explorer | 2020-2023 | King Ranch, Platinum, ST | 6 Cyl 3.0 L GAS
- Police Interceptor Utility | 2020-2023 | Base | 6 Cyl 3.0 L GAS
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Ford Crankshaft Pulley Part Number: ML3Z-6312-B
$114.50 MSRP: $166.67
You Save: $52.17 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Pulley
Fits the following Ford Models:
- Expedition | 2022-2024 | King Ranch, Limited, Max King Ranch, Max Limited, Max Platinum, Max SSV, Max XL, Max XLT, Platinum, SSV, Timberline, XL, XL STX, XLT | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
- F-150 | 2021-2023 | King Ranch, Lariat, Limited, Platinum, Police Responder, Raptor, SSV, Tremor, XL, XLT | 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
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Ford Crankshaft Pulley Part Number: NL3Z-6312-B
$133.97 MSRP: $195.00
You Save: $61.03 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Vibration Damper; Pulley
- Replaces: JL3Z-6312-A
Fits the following Ford Models:
- F-150 | 2018-2023 | King Ranch, Lariat, Platinum, SSV, Tremor, XL, XLT | 8 Cyl 5.0 L FLEX
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Ford Crankshaft Pulley Part Number: KB3Z-6312-B
$119.08 MSRP: $173.33
You Save: $54.25 (32%)
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Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Pulley
- Replaces: KB3Z-6312-A
Fits the following Ford Models:
- Ranger | 2019-2023 | Lariat, XL, XLT | 4 Cyl 2.3 L GAS
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Ford Crankshaft Pulley Part Number: FN1Z-6B321-A
$178.62 MSRP: $260.00
You Save: $81.38 (32%)
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Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Pulley
- Replaces: BE8Z-6312-A, BE8Z-6312-B
Fits the following Ford Models:
- Fiesta | 2011-2019 | S, SE, SEL, SES, ST Line, Titanium | 4 Cyl 1.6 L GAS
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Ford Crankshaft Pulley Part Number: FR3Z-6312-A
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Vibration Damper
Fits the following Ford Models:
- Mustang | 2015-2023 | Bullitt, GT, GT 50 Years Limited Edition, GT Premium, Mach 1, Shelby GT350, Shelby GT350R | 8 Cyl 5.0 L GAS, 8 Cyl 5.2 L GAS
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Ford Crankshaft Pulley Part Number: DR3Z-6312-A
Product Specifications
- Other Name: Pulley - Crankshaft; Harmonic Balancer; Pulley
Fits the following Ford Models:
- Mustang | 2013-2014 | Shelby GT500 | 8 Cyl 5.8 L GAS
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Ford Crankshaft Pulley Part Number: NJ5Z-6312-A
$170.61 MSRP: $248.33
You Save: $77.72 (32%)
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Vibration Damper; Pulley
- Replaces: CJ5Z-6312-F, CJ5Z-6312-C, CJ5Z-6312-A
Fits the following Ford Models:
- Bronco | 2021-2023 | Badlands, Base, Big Bend, Black Diamond, Everglades, Heritage Edition, Outer Banks | 4 Cyl 2.3 L GAS
- Bronco Sport | 2021-2023 | Badlands, First Edition, Heritage Limited Edition | 4 Cyl 2.0 L GAS
- Edge | 2015-2024 | SE, SEL, ST-Line, Titanium | 4 Cyl 2.0 L GAS
- Escape | 2013-2022 | SE, SEL, Titanium | 4 Cyl 2.0 L GAS
- Explorer | 2013-2023 | Base, Limited, ST-Line, Timberline, XLT | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
- Focus | 2013-2018 | ST | 4 Cyl 2.0 L GAS
- Fusion | 2013-2020 | Platinum, SE, SEL, Titanium | 4 Cyl 2.0 L GAS
- Maverick | 2022-2023 | Lariat, XL, XLT | 4 Cyl 2.0 L GAS
- Mustang | 2015-2023 | EcoBoost, EcoBoost Premium | 4 Cyl 2.3 L GAS
- Special Service Police Sedan | 2014-2018 | Base | 4 Cyl 2.0 L GAS
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Ford Harmonic Balancer

If you own Ford and want to keep it in top shape, choosing OEM Harmonic Balancer is a smart move. They are precisely engineered and follow strict factory standards. They are made in advanced facilities that use cutting edge technology. Each part goes through thorough testing to confirm strength and safety, so you can trust it. FordPartsDeal.com gives you genuine Ford Harmonic Balancer at some of the affordable online prices without cutting quality. Every OEM Ford part includes the manufacturer's warranty, easy returns, and super-fast delivery. So why wait? Shop now and get your vehicle back to peak condition.

Ford Harmonic Balancer eliminates crankshaft killing vibration to keep its engines smooth and alive. In 1903, Ford started and rewired the industry in 1913 with the moving line. EcoBoost turbos make the prime out of little fuel and leave additional money in the wallet. Ford combines the turbocharged EcoBoost punch and thrift to give drivers grin and range. SYNC pays attention to an easy voice command and switches tracks or reroutes over traffic. Ford brings cabins loaded with SYNC voice control such that playlists and maps respond to spoken word. Mirs scan Co-Pilot360 pushes steering, presses brakes when mirrors detect danger. Ford goes even safer with Co-Pilot360 equipment that notices lanes and stomps brakes before facing trouble. Electric pickups such as the Lightning sacrifice quick torque and noiseless dawns. Quality continues ascending with fresh ideas streaming directly off the test track to the driveway. Harmonic Balancer is mounted on the nose of the crank and connects a massive outer ring with a steel hub by rubber bond flexing with each discharge to absorb torsional elasticity before it can reach the crank and components. Harmonic Balancer also maintains the alignment of pulleys, thus belts remain on at redline without squeal. The engines often start to spin beyond the stock limits and an upgraded Harmonic Balancer smooths out the increased revs with the help of harder rubber and reduced ring tolerances. The 360-degree timing marks on the Harmonic Balancer are important to builders due to the fact that they start the ignition with a single glance.

Ford Harmonic Balancer Parts and Q&A

Vibration Damper
1R3Z-6B321-BA
Q: How to service and repair the harmonic balancer and crankshaft pulley on Ford Mustang?
A:
The process of harmonic balancer and crankshaft pulley servicing begins with removal of the timing chain followed by wire harness disconnection with proper placement and subsequent removal of the radiator fan assembly. The service starts with removing the engine dynamic balance shaft through bolt removal which allows detachment of the balance shaft driver gear and thrust plate while separating the engine dynamic balance shaft into an assembly. When installing the engine dynamic balance shaft assembly into the cylinder block position the camshaft at 12 o'clock before alignment of the timing marks between the engine balance shaft drive gear and the engine balance shaft driven gear. When installation is perfect the timing marks on both the engine dynamic balance shaft keyway and camshaft keyway will be at 12 o'clock and 6 o'clock positions. The correct installation requires reattaching the radiator fan and shroud assembly before connecting the connector and installing the pin-type retainer and timing chain.
Crankshaft Pulley
8L2Z-6B321-C
Q: How to service the Harmonic Balancer on Ford Ranger?
A:
The service of crankshaft pulley starts with fan shroud removal followed by drive belt bolt loosening. The drive belt must be loosened from its position then removed from the bolt. A three-bolt puller represents the appropriate tool for assembling and disassembling the crankshaft pulley because prying with other objects can cause damage to the assembly. First remove the crankshaft pulley before you can remove its bolt along with the washer afterward to complete the pulley removal process. Put the washer onto the bolt before installation since it will help secure the crankshaft pulley assembly according to its specifications. Fitting the crankshaft pulley assembly with its bolt and washer enables drive belt reinstallation. The final step involves tightening the bolt while reinstalling the fan as well as the shroud.