What is the purpose of the self-adjusting serpentine drive belt in Ford Mustang and how should it be inspected and replaced?

Accessory components like alternators, power steering pumps, water pumps, and air conditioning compressors in vehicles are powered by a self-adjusting serpentine drive belt. The belt should be checked regularly since its lifespan is 100000 miles. To check it open the hood, and look for the front engine belt and you will see cracks, separation, fraying, or glazing on both sides with your eyes. Replace the belt if it is found out that it falls outside this range. Replace, and rotate the tensioner to release tension, remove the old belt and route the new one over pulleys then release the tensioner. For air conditioning compressor drive belts in 2011 and later models, a stretchy belt design is used that requires engine rotation and insertion of a flexible material to remove or install them.

Genuine Ford Mustang Drive Belt

Serpentine Belt

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69 Drive Belts found

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Ford Mustang V-Belt
Part Number: BR3Z-8620-Q
$26.38 MSRP: $42.73
You Save: $16.35 (39%)
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Product Specifications
- Manufacturer Note: Belt Kit; Contains Instruction Sheet For Outside Customer Sales.
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2019 Ford Mustang | 6 Cyl 3.7L PFI NA | 10-Speed Automatic Transmission (10R80), 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang V-Belt
Part Number: FR3Z-8620-C
$27.61 MSRP: $44.73
You Save: $17.12 (39%)
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Product Specifications
- Other Name: Serpentine Belt
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2023 Ford Mustang | 4 Cyl 2.3 L GAS, 4 Cyl 2.3L TIVCT DI TC | 10-Speed Automatic Transmission (10R80), 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang V-Belt
Part Number: BR3Z-8620-N
$34.56 MSRP: $47.23
You Save: $12.67 (27%)
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Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2019 Ford Mustang | 6 Cyl 3.7L PFI NA | 10-Speed Automatic Transmission (10R80), 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang V-Belt
Part Number: BR3Z-8620-S
$31.24 MSRP: $49.82
You Save: $18.58 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Replaces: BR3Z-8620-F, JK4-364
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2019 Ford Mustang | 6 Cyl 3.7L PFI NA | 10-Speed Automatic Transmission (10R80), 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang V-Belt
Part Number: BR3Z-8620-R
$32.60 MSRP: $52.00
You Save: $19.40 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: AC Belt
- Replaces: BR3Z-8620-A, JK6-342
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2020 Ford Mustang | 8 Cyl 5.0L DOHC EFI Modular, 8 Cyl 5.0L MOD DOHC SEFI NA, 8 Cyl 5.2 L GAS, 8 Cyl 5.2L | 10-Speed Automatic Transmission (10R80), 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang V-Belt
Part Number: FR3Z-8620-A
$14.71 MSRP: $23.45
You Save: $8.74 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: AC Belt
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2023 Ford Mustang | 4 Cyl 2.3 L GAS, 4 Cyl 2.3L TIVCT DI TC | 10-Speed Automatic Transmission (10R80), 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang V-Belt
Part Number: BR3Z-8620-D
$31.01 MSRP: $49.45
You Save: $18.44 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: AC Belt, Serpentine Belt
- Manufacturer Note: Main Drive Belt
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2014 Ford Mustang | 8 Cyl 5.0L MOD DOHC SEFI NA | 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang V-Belt
Part Number: JR3Z-8620-A
$35.57 MSRP: $56.73
You Save: $21.16 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: AC Belt
- Manufacturer Note: Air Conditioning Belt
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2024 Ford Mustang | 8 Cyl 5.0 L GAS, 8 Cyl 5.0L DOHC EFI Modular, 8 Cyl 5.0L MOD DOHC SEFI NA | 10-Speed Automatic Transmission (10R80), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang V-Belt
Part Number: 7R3Z-8620-A
$49.59 MSRP: $79.09
You Save: $29.50 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: AC Belt, Drive Belt, Serpentine Belt
- Manufacturer Note: Air Conditioning Belt
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2013 Ford Mustang | 8 Cyl 5.4L DOHC EFI S/C ALUM | 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang V-Belt
Part Number: FR3Z-8620-B
$36.02 MSRP: $57.45
You Save: $21.43 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Serpentine Belt
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2023 Ford Mustang | 8 Cyl 5.0 L GAS, 8 Cyl 5.0L DOHC EFI Modular, 8 Cyl 5.0L MOD DOHC SEFI NA, 8 Cyl 5.2 L GAS, 8 Cyl 5.2L | 10-Speed Automatic Transmission (10R80), 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang V-Belt
Part Number: BR3Z-8620-B
$22.91 MSRP: $36.55
You Save: $13.64 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: AC Belt
- Manufacturer Note: For In Dealership Repairs Only
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2014 Ford Mustang | 6 Cyl 3.7L PFI NA | 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang V-Belt
Part Number: 7R3Z-8620-C
$46.06 MSRP: $73.45
You Save: $27.39 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaced by: 7R3Z-8620-D
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2008 Ford Mustang | 8 Cyl 4.6L SOHC EFI, 8 Cyl 5.8L DOHC SC | 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang V-Belt
Part Number: AR3Z-8620-A
$40.36 MSRP: $64.36
You Save: $24.00 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Serpentine Belt
- Replaces: 5R3Z-8620-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Mustang V-Belt
Part Number: BR3Z-8620-A
$32.60 MSRP: $52.00
You Save: $19.40 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Manufacturer Note: Air Conditioning Belt
- Replaced by: BR3Z-8620-R
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2014 Ford Mustang | 8 Cyl 5.0L DOHC EFI Modular, 8 Cyl 5.0L MOD DOHC SEFI NA | 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Mustang V-Belt
Part Number: 5R3Z-8620-AA
$40.36 MSRP: $64.36
You Save: $24.00 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaced by: AR3Z-8620-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Mustang V-Belt
Part Number: AR3Z-8620-B
$40.93 MSRP: $65.27
You Save: $24.34 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Serpentine Belt
- Replaces: 9R3Z-8620-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2010 Ford Mustang | 8 Cyl 4.6L SOHC EFI, 8 Cyl 5.8L DOHC SC | 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Mustang V-Belt
Part Number: 4R3Z-8620-EA
$26.11 MSRP: $41.64
You Save: $15.53 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaced by: 4R3Z-8620-EC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2006 Ford Mustang | 8 Cyl 4.6L SOHC EFI, 8 Cyl 5.8L DOHC SC | 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Mustang V-Belt
Part Number: BR3Z-8620-BA
$19.49 MSRP: $31.09
You Save: $11.60 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Manufacturer Note: Belt Kit; Contains Instruction Sheet For Outside Customer Sales.
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2014 Ford Mustang | 6 Cyl 3.7L PFI NA | 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang ATMTV BELT
Part Number: E4DZ8620D
$13.22 MSRP: $18.07
You Save: $4.85 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1985-1986 Ford Mustang | 4 Cyl 2.3L, 6 Cyl 3.8L, 8 Cyl 5.0L | 3AT C3, 3AT C5, 4AT AOD, 4MT, 5MT
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Ford Mustang Belt
Part Number: CR3Z-8620-A
$22.00 MSRP: $34.18
You Save: $12.18 (36%)
Product Specifications
- Other Name: Serpentine Belt
- Manufacturer Note: Main Drive Belt
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2012-2014 Ford Mustang | 8 Cyl 5.0L DOHC EFI Modular | 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)

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Ford Mustang Drive Belt Parts Questions & Experts Answers

V-Belt
BR3Z-8620-R
Q: What is the purpose of the self-adjusting serpentine drive belt in Ford Mustang and how should it be inspected and replaced?
A: Accessory components like alternators, power steering pumps, water pumps, and air conditioning compressors in vehicles are powered by a self-adjusting serpentine drive belt. The belt should be checked regularly since its lifespan is 100000 miles. To check it open the hood, and look for the front engine belt and you will see cracks, separation, fraying, or glazing on both sides with your eyes. Replace the belt if it is found out that it falls outside this range. Replace, and rotate the tensioner to release tension, remove the old belt and route the new one over pulleys then release the tensioner. For air conditioning compressor drive belts in 2011 and later models, a stretchy belt design is used that requires engine rotation and insertion of a flexible material to remove or install them.