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  • OEM (Genuine) 2011 Ford Mustang Serpentine Tensioner

    PartNumber: BR3Z-6B209-H
    OEM 2011 Ford Mustang Serpentine Tensioner - BR3Z-6B209-H
    Product Specifications
    • Notes: W/O High Output; Mustang; 5.0l
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 7.6 x 4.2 x 4.3 inches
    • Item Weight: 2.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: BR3Z-6B209-B
    • Part Description: 2011 Ford Mustang Serpentine Tensioner
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | GT, GT 50 Years Limited Edition, GT Premium | 8 Cyl 5.0 L GAS
    $113.29 MSRP: $187.27
    You Save: $73.98 (40%)
  • Gates Drivealign Drive Belt Idler Pulley for 2011 Ford Mustang - 38006

    Gates® Drivealign Drive Belt Idler Pulley for 2011 Ford Mustang

    PartNumber: 38006
    Product Specifications
    • Notes: Smooth Pulley
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Steel
    • Number of Grooves: 0
    • Number Of Pulleys: 1
    • Outside Diameter: 2.99"
    • Pulley 1 Flanged: No
    • UPC: 072053415308
    • Width: 30.5 mm
    • Part Description: 2011 Ford Mustang Drivealign Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | All Trims | 8 Cyl 5.4L
    $18.74
  • Dayco No Slack Driver Side Light Duty Idler Tensioner Pulley for 2011 Ford Mustang - 89566

    Dayco® No Slack Driver Side Light Duty Idler Tensioner Pulley for 2011 Ford Mustang

    PartNumber: 89566
    Product Specifications
    • Notes: Left
    • Bearing Inner Diameter 1: 30
    • Bearing Inner Diameter 2: 11.2
    • Belt Type: Serpentine
    • Flat: Y
    • Material: Steel
    • Max Belt Width: 10 Rib
    • Number of Bearings: 1
    • Pulley Outside Diameter: 90
    • Pulley Width: 41
    • UPC: 036687915955
    • Part Description: 2011 Ford Mustang No Slack Driver Side Light Duty Idler Tensioner Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | All Trims | 8 Cyl 5.4L
    $109.55
  • OEM (Genuine) 2011 Ford Mustang Serpentine Tensioner

    PartNumber: BR3Z-6B209-E
    OEM 2011 Ford Mustang Serpentine Tensioner - BR3Z-6B209-E
    Product Specifications
    • Notes: 3.7 Liter; Mustang; 3.7l
    • Item Dimensions: 6.2 x 4.6 x 4.4 inches
    • Item Weight: 2.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: BR3Z-6B209-A, BT-99
    • Part Description: 2011 Ford Mustang Serpentine Tensioner
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | Base, V6 | 6 Cyl 3.7 L GAS
    $96.02 MSRP: $158.73
    You Save: $62.71 (40%)
  • Four Seasons Back Drive Belt Idler Pulley for 2011 Ford Mustang - 45979

    Four Seasons® Back Drive Belt Idler Pulley for 2011 Ford Mustang

    PartNumber: 45979
    Product Specifications
    • Belt Type: Back Idler
    • Belt Width IN: 1.000
    • Belt Width MM: 25.400
    • Bore Dia. IN: .67
    • Color: Black
    • Groove Quantity: Smooth
    • I.D. MM: 17
    • Inside Diameter: 0.6875
    • Material: Steel
    • Meets / Exceeds OEM: Yes
    • Mount Hole Qty: 1
    • Mounting Hardware: Not Included
    • O.D. MM: 76.200
    • Outside Diameter: 3.000
    • Pulley Type: Idler Pulley
    • Pulley Width IN: 1.18
    • Pulley Width MM: Idler / Tensioner Pulley
    • Style: Idler / Tensioner Pulley
    • UPC: 096361459793
    • Width: 30
    • Part Description: 2011 Ford Mustang Back Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | All Trims | 8 Cyl 5.4L
    $13.63
  • Gates Drivealign Drive Belt Idler Pulley for 2011 Ford Mustang - 36100

    Gates® Drivealign Drive Belt Idler Pulley for 2011 Ford Mustang

    PartNumber: 36100
    Product Specifications
    • Notes: Grooved Pulley
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: V-Ribbed Grooved
    • Material: Steel
    • Number of Grooves: 6
    • Number Of Pulleys: 1
    • Outside Diameter: 75 mm
    • Pulley 1 Flanged: Yes
    • UPC: 072053209693
    • Width: 30 mm
    • Part Description: 2011 Ford Mustang Drivealign Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | All Trims | 8 Cyl 5.4L
    $14.75
  • Dayco No Slack Light Duty Idler Tensioner Pulley for 2011 Ford Mustang - 89567

    Dayco® No Slack Light Duty Idler Tensioner Pulley for 2011 Ford Mustang

    PartNumber: 89567
    Product Specifications
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 14
    • Belt Type: Serpentine
    • Flat: N
    • Groove Quantity: 10
    • Material: Steel
    • Max Belt Width: 10 Rib
    • Number of Bearings: 1
    • Pulley Outside Diameter: 88.5
    • Pulley Width: 40.5
    • UPC: 036687915962
    • Part Description: 2011 Ford Mustang No Slack Light Duty Idler Tensioner Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | All Trims | 8 Cyl 5.4L
    $62.14
  • OEM (Genuine) 2011 Ford Mustang Clutch & Pulley

    PartNumber: BR3Z-19D784-C
    OEM 2011 Ford Mustang Clutch & Pulley - BR3Z-19D784-C
    Product Specifications
    • Notes: Mustang; 5.0l; 5.0 Liter
    • Other Names: Clutch Pulley, Pulley
    • Item Dimensions: 6.2 x 3.0 x 6.1 inches
    • Item Weight: 5.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2011 Ford Mustang Clutch & Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | Boss 302, GT | 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS
    $142.99 MSRP: $236.36
    You Save: $93.37 (40%)
  • Four Seasons Drive Belt Idler Pulley for 2011 Ford Mustang - 45013

    Four Seasons® Drive Belt Idler Pulley for 2011 Ford Mustang

    PartNumber: 45013
    Product Specifications
    • Belt Type: Back Idler
    • Belt Width IN: 1.000
    • Belt Width MM: 7.9375
    • Bore Dia. IN: 0.668
    • Color: Black
    • Groove Quantity: Smooth
    • I.D. MM: 17.463
    • Inside Diameter: 0.6875
    • Material: Plastic
    • Meets / Exceeds OEM: Yes
    • Mount Hole Qty: 1
    • Mounting Hardware: Not Included
    • O.D. MM: 69.850
    • Outside Diameter: 2.750
    • Pulley Type: Idler Pulley
    • Pulley Width IN: 1.062
    • Pulley Width MM: Idler / Tensioner Pulley
    • Style: Idler / Tensioner Pulley
    • UPC: 096361450134
    • Width: 25.4
    • Part Description: 2011 Ford Mustang Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | All Trims | 8 Cyl 5.0L
    $13.75
  • Dayco No Slack Light Duty Idler Tensioner Pulley for 2011 Ford Mustang - 89144

    Dayco® No Slack Light Duty Idler Tensioner Pulley for 2011 Ford Mustang

    PartNumber: 89144
    Product Specifications
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 12
    • Belt Type: Serpentine
    • Flat: Y
    • Material: Polymer
    • Max Belt Width: 06 Rib
    • Number of Bearings: 1
    • Pulley Outside Diameter: 70
    • Pulley Width: 24.9
    • UPC: 036687628718
    • Part Description: 2011 Ford Mustang No Slack Light Duty Idler Tensioner Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | All Trims | 6 Cyl 3.7L
    • 2011 Ford Mustang | All Trims | 8 Cyl 5.0L
    $14.96
  • Dayco No Slack Light Duty Idler Tensioner Pulley for 2011 Ford Mustang - 89007

    Dayco® No Slack Light Duty Idler Tensioner Pulley for 2011 Ford Mustang

    PartNumber: 89007
    Product Specifications
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 12
    • Belt Type: Serpentine
    • Flat: Y
    • Material: Steel
    • Max Belt Width: 06 Rib
    • Number of Bearings: 1
    • Pulley Outside Diameter: 76
    • Pulley Width: 31
    • UPC: 038244156955
    • Part Description: 2011 Ford Mustang No Slack Light Duty Idler Tensioner Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | All Trims | 8 Cyl 5.4L
    $16.27
  • OEM (Genuine) 2011 Ford Mustang Tension Pulley

    PartNumber: 7R3Z-8678-B
    OEM 2011 Ford Mustang Tension Pulley - 7R3Z-8678-B
    Product Specifications
    • Notes: 5.4 Liter, AC Belt, Lower; Mustang; 5.4l; Smooth Pulley; Left; Upper
    • Location: Passenger Side
    • Other Names: Idler Pulley, Tension Pulley
    • Item Dimensions: 4.4 x 2.0 x 4.2 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 4G7Z-8678-AA
    • Part Description: 2011 Ford Mustang Tension Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | Shelby GT500, Shelby GT500KR | 8 Cyl 5.4 L GAS, 8 Cyl 5.8 L GAS
    $130.89 MSRP: $216.36
    You Save: $85.47 (40%)
  • OEM (Genuine) 2011 Ford Mustang Clutch & Pulley

    PartNumber: BR3Z-19D784-B
    OEM 2011 Ford Mustang Clutch & Pulley - BR3Z-19D784-B
    Product Specifications
    • Notes: 3.7 Liter; Mustang; 3.7l
    • Other Names: Clutch Pulley, Pulley
    • Item Dimensions: 6.4 x 2.9 x 6.1 inches
    • Item Weight: 5.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2011 Ford Mustang Clutch & Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | Base | 6 Cyl 3.7 L GAS
    $162.74 MSRP: $263.64
    You Save: $100.90 (39%)
  • OEM (Genuine) 2011 Ford Mustang Idler Pulley

    PartNumber: 7R3Z-8678-A
    OEM 2011 Ford Mustang Idler Pulley - 7R3Z-8678-A
    Product Specifications
    • Notes: 5.4 Liter, AC Belt, Upper; Mustang; 5.4l; Smooth Pulley; Right
    • Location: Passenger Side
    • Other Names: Idler Pulley
    • Item Dimensions: 4.4 x 2.0 x 4.3 inches
    • Item Weight: 1.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2011 Ford Mustang Idler Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | Shelby GT500, Shelby GT500KR | 8 Cyl 5.4 L GAS, 8 Cyl 5.8 L GAS
    $75.89 MSRP: $125.45
    You Save: $49.56 (40%)
  • OEM (Genuine) 2011 Ford Mustang Idler Pulley

    PartNumber: BR3Z-8678-A
    OEM 2011 Ford Mustang Idler Pulley - BR3Z-8678-A
    Product Specifications
    • Notes: W/O High Output; Mustang; 5.0l
    • Other Names: Idler Pulley
    • Item Dimensions: 3.1 x 1.3 x 3.3 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2011 Ford Mustang Idler Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | Bullitt, GT, GT 50 Years Limited Edition, GT Premium, Mach 1 | 8 Cyl 5.0 L GAS
    $44.45 MSRP: $70.91
    You Save: $26.46 (38%)
  • Dayco No Slack Light Duty Idler Tensioner Pulley for 2011 Ford Mustang - 89051

    Dayco® No Slack Light Duty Idler Tensioner Pulley for 2011 Ford Mustang

    PartNumber: 89051
    Product Specifications
    • Notes: Right
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 12
    • Belt Type: Serpentine
    • Flat: N
    • Groove Quantity: 6
    • Material: Steel
    • Max Belt Width: 06 Rib
    • Number of Bearings: 1
    • Pulley Outside Diameter: 76
    • Pulley Width: 30.1
    • UPC: 036687308733
    • Part Description: 2011 Ford Mustang No Slack Light Duty Idler Tensioner Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | All Trims | 8 Cyl 5.4L
    $15.70
  • OEM (Genuine) 2011 Ford Mustang Serpentine Idler Pulley

    PartNumber: YW7Z-8678-AA
    OEM 2011 Ford Mustang Serpentine Idler Pulley - YW7Z-8678-AA
    Product Specifications
    • Notes: 5.4 Liter, Serpentine Belt; Mustang; 5.4l; Grooved Pulley; Upper
    • Item Dimensions: 8.7 x 7.8 x 7.8 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: XR3Z-8678-AA
    • Part Description: 2011 Ford Mustang Serpentine Idler Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | GT, GT Bullitt, Mach 1, Shelby GT500, Shelby GT500KR, SVT Cobra, SVT Cobra 10th Anniversary | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 5.8 L GAS
    $18.93 MSRP: $30.18
    You Save: $11.25 (38%)
  • OEM (Genuine) 2011 Ford Mustang Serpentine Idler Pulley

    PartNumber: XR3Z-8678-BA
    OEM 2011 Ford Mustang Serpentine Idler Pulley - XR3Z-8678-BA
    Product Specifications
    • Notes: 5.4 Liter, AC Belt, Lower; Mustang; 5.4l; Smooth Pulley; Left; Lower
    • Location: Driver Side
    • Item Dimensions: 8.6 x 7.7 x 7.7 inches
    • Item Weight: 1.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: F6AZ-8678-BA
    • Part Description: 2011 Ford Mustang Serpentine Idler Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | Base, GT, GT Bullitt, Mach 1, Shelby GT500, Shelby GT500KR, SVT Cobra, SVT Cobra 10th Anniversary | 6 Cyl 3.8 L GAS, 6 Cyl 3.9 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 5.8 L GAS
    $23.36 MSRP: $37.27
    You Save: $13.91 (38%)
  • OEM (Genuine) 2011 Ford Mustang Idler Pulley

    PartNumber: 4G7Z-6C348-AA
    OEM 2011 Ford Mustang Idler Pulley - 4G7Z-6C348-AA
    Product Specifications
    • Notes: 5.4 Liter, AC Belt, Center; Mustang; 5.4l; Grooved Pulley; Lower
    • Location: Passenger Side
    • Other Names: Idler Pulley
    • Item Dimensions: 5.1 x 4.6 x 2.3 inches
    • Item Weight: 1.90 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2011 Ford Mustang Idler Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | Shelby GT500, Shelby GT500KR | 8 Cyl 5.4 L GAS, 8 Cyl 5.8 L GAS
    $87.00 MSRP: $128.33
    You Save: $41.33 (33%)
  • Gates Drivealign OE Exact Drive Belt Idler Pulley for 2011 Ford Mustang - 36499

    Gates® Drivealign OE Exact Drive Belt Idler Pulley for 2011 Ford Mustang

    PartNumber: 36499
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Thermoplastic
    • Number of Grooves: 0
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 70 mm
    • Pulley 1 Flanged: No
    • UPC: 072053194449
    • Width: 24.2 mm
    • Part Description: 2011 Ford Mustang Drivealign OE Exact Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | All Trims | 8 Cyl 5.0L
  • OEM (Genuine) 2011 Ford Mustang Clutch & Pulley

    PartNumber: BR3Z-19D784-A
    OEM 2011 Ford Mustang Clutch & Pulley - BR3Z-19D784-A
    Product Specifications
    • Notes: Mustang; 5.4l; 5.4 Liter
    • Other Names: Clutch Pulley, Pulley
    • Item Dimensions: 6.2 x 3.0 x 6.1 inches
    • Item Weight: 6.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2011 Ford Mustang Clutch & Pulley
    More Info
    Vehicle Fitment
    • 2011 Ford Mustang | Shelby GT500 | 8 Cyl 5.4 L GAS, 8 Cyl 5.8 L GAS