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2012 Ford Mustang Belt Tensioner

8 items

Upgrade your vehicle's belt tensioner with A-Premium's high-quality options. Choose reliability and durability for a smoother ride.

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A-Premium APBT0475 Belt Tensioner PulleyA-Premium APBT0475 Belt Tensioner Pulley
A-Premium®Part # APBT0475
A-Premium APBT0475 Belt Tensioner Pulley
4.616 Reviews
CA$39.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2016 - 2022 Honda HR-V, 2012 - 2018 Isuzu NPR, 2012 - 2015 Honda Civic, 2011 - 2013 Ram 1500, 2009 - 2012 Chevrolet Colorado, 2007 - 2013 Chevrolet Avalanche, 2006 - 2010 Jeep Commander, 2006 - 2009 Chevrolet Trailblazer, 2006 - 2009 Pontiac Torrent, 2005 - 2009 Chevrolet Equinox, 2004 - 2011 Chevrolet Impala, 2004 - 2010 Chevrolet Malibu, 2004 - 2007 Chevrolet Monte Carlo, 2003 - 2013 Cadillac Escalade ESV, 2003 - 2007 Isuzu NPR, 2003 - 2004 Cadillac CTS, 2002 - 2010 Dodge Ram 1500, 2002 - 2010 Dodge Ram 2500, 2002 - 2007 Jeep Liberty, 2002 - 2007 Jeep Liberty KJ
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2012 Ford Mustang
Item LocatedUnited States
Quantity1
Part interchange
38009, 89009, 131086, 09202550, 10044867, 10069954, 10070108, 10099984, 
...View more
ConditionNew
item #1015682W
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Belt Tensioner with Pulley for Ford F-150 2011-2022 Mustang 2011-2017 V8 5.0L
A-Premium®Part # APBT0361
Belt Tensioner with Pulley for Ford F-150 2011-2022 Mustang 2011-2017 V8 5.0L
4.616 Reviews
CA$70.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2015 - 2017 Ford Mustang, 2011 - 2022 Ford F-150, 2011 - 2012 Ford Mustang
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2012 Ford Mustang
Item LocatedCanada
Quantity1
ConditionNew
item #1000G1PK
Note
This item comes with the Pulley.
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Belt Tensioner for Ford F-150 Expedition Transit Navigator 3.5L 3.7L
A-Premium®Part # APBT0156
Belt Tensioner for Ford F-150 Expedition Transit Navigator 3.5L 3.7L
4.616 Reviews
CA$50.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2016 - 2018 Ford Transit-150, 2016 - 2018 Ford Transit-150, 2016 - 2018 Ford Transit-250, 2016 - 2018 Ford Transit-250, 2016 - 2018 Ford Transit-350, 2016 - 2018 Ford Transit-350, 2016 - 2018 Ford Transit-350 HD, 2016 - 2018 Ford Transit-350 HD, 2015 - 2017 Ford Expedition, 2015 - 2017 Lincoln Navigator, 2015 - 2015 Ford Transit-150, 2015 - 2015 Ford Transit-150, 2015 - 2015 Ford Transit-250, 2015 - 2015 Ford Transit-250, 2015 - 2015 Ford Transit-350, 2015 - 2015 Ford Transit-350, 2015 - 2015 Ford Transit-350 HD, 2015 - 2015 Ford Transit-350 HD, 2011 - 2017 Ford F-150, 2011 - 2017 Ford Mustang
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2012 Ford Mustang
Item LocatedCanada
Quantity1
MaterialThermoplastic
ConditionNew
item #10037QSS
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Belt Tensioner for Ford F-150 E-150 Mustang Aviator 5.4L 4.6L 6.8L
A-Premium®Part # APBT0048
Belt Tensioner for Ford F-150 E-150 Mustang Aviator 5.4L 4.6L 6.8L
4.616 Reviews
CA$57.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2017 - 2019 Ford F-650, 2016 - 2019 Ford F-750, 2015 - 2015 Ford F-650, 2012 - 2013 Ford F-650, 2011 - 2019 Ford F-53 Motorhome Chassis, 2007 - 2010 Ford Explorer Sport Trac, 2007 - 2009 Ford F-53 Motorhome Chassis, 2006 - 2019 Ford E-450 Super Duty, 2003 - 2014 Ford E-150, 2003 - 2014 Ford E-250, 2003 - 2010 Ford Mustang, 2003 - 2004 Ford E-450 Super Duty, 2002 - 2019 Ford E-350 Super Duty, 2002 - 2019 Ford F-450 Super Duty, 2002 - 2019 Ford F-550 Super Duty, 2002 - 2014 Ford Expedition, 2002 - 2010 Ford Explorer, 2002 - 2010 Ford F-150, 2002 - 2010 Ford F-250 Super Duty, 2002 - 2010 Ford F-350 Super Duty
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2012 Ford Mustang
Item LocatedCanada
Quantity1
MaterialSteel
ConditionNew
item #10037CXZ
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A-Premium APBT0511 Accessory Belt Idler Pulley
A-Premium®Part # APBT0511
A-Premium APBT0511 Accessory Belt Idler Pulley
4.616 Reviews
CA$32.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2019 - 2019 Jeep Wrangler, 2018 - 2018 Jeep Wrangler, 2018 - 2018 Jeep Wrangler JK, 2012 - 2017 Jeep Wrangler, 2011 - 2014 Lincoln Navigator, 2009 - 2014 Ford Expedition, 2009 - 2014 Lincoln Navigator, 2007 - 2011 Jeep Wrangler, 2007 - 2010 Ford Explorer Sport Trac, 2006 - 2010 Ford F-150, 2006 - 2008 Lincoln Mark LT, 2006 - 2006 Ford GT, 2005 - 2010 Ford Mustang, 2005 - 2008 Ford F-150, 2004 - 2010 Ford F-150, 2004 - 2004 Ford F-150, 2004 - 2004 Ford F-150 Heritage, 2004 - 2004 Ford F-150 Heritage, 2003 - 2009 Lincoln Navigator, 2003 - 2005 Lincoln Aviator
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2012 Ford Mustang
Item LocatedUnited States
Quantity1
MaterialSteel
ConditionNew
item #10156G8S
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2 Pcs Accessory Belt Idler Pulley for Ford F-150 2010-2014 F-250 Super Duty Mustang
A-Premium®Part # APBT0641
2 Pcs Accessory Belt Idler Pulley for Ford F-150 2010-2014 F-250 Super Duty Mustang
4.616 Reviews
CA$45.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2019 - 2024 Ford Mustang, 2019 - 2020 Ford F-250 Super Duty, 2019 - 2020 Ford F-350 Super Duty, 2019 - 2019 Ford Mustang, 2018 - 2018 Ford Mustang, 2017 - 2019 Ford E-350 Super Duty, 2017 - 2019 Ford E-450 Super Duty, 2017 - 2019 Starcraft Bus Starlite, 2016 - 2018 Ford Mustang, 2013 - 2014 Ford Mustang, 2011 - 2018 Ford F-250 Super Duty, 2011 - 2018 Ford F-350 Super Duty, 2010 - 2014 Ford F-150
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2012 Ford Mustang
Item LocatedUnited States
Quantity2
MaterialSteel
ConditionNew
item #101779G5
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Accessory Drive Belt Idler Pulley for Ford Mustang 99-04 07-14 Lincoln Mercury
A-Premium®Part # APBT0449
Accessory Drive Belt Idler Pulley for Ford Mustang 99-04 07-14 Lincoln Mercury
4.616 Reviews
CA$26.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2013 - 2014 Ford Mustang, 2007 - 2012 Ford Mustang, 2000 - 2011 Mercury Grand Marquis, 1999 - 2011 Ford Crown Victoria, 1999 - 2011 Lincoln Town Car, 1999 - 2004 Ford Mustang
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2012 Ford Mustang
Item LocatedCanada
Quantity1
ConditionNew
item #1001CUEQ
Note
This item comes with 6 Groove Pulley.
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Accessory Drive Belt Idler Pulley for Ford F-150 2015-2022 Explorer 2020-2023
A-Premium®Part # APBT0483
Accessory Drive Belt Idler Pulley for Ford F-150 2015-2022 Explorer 2020-2023
4.616 Reviews
CA$45.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2022 - 2022 Ford F-150, 2022 - 2022 Ford Police Interceptor Utility, 2021 - 2023 Ram 1500, 2021 - 2022 Ford Bronco, 2021 - 2022 Jeep Grand Cherokee L, 2021 - 2021 Dodge Durango, 2020 - 2024 Ram 1500, 2020 - 2024 Ram 1500 Classic, 2020 - 2023 Dodge Challenger, 2020 - 2023 Ford Explorer, 2020 - 2023 Lincoln Aviator, 2020 - 2021 Ford F-150, 2020 - 2021 Ford Police Interceptor Utility, 2019 - 2022 Lincoln Nautilus, 2019 - 2019 Ram 1500 Classic, 2018 - 2022 Jeep Compass, 2018 - 2021 Dodge Durango, 2018 - 2021 Jeep Grand Cherokee WK, 2017 - 2020 Lincoln Continental, 2017 - 2020 Lincoln Continental
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2012 Ford Mustang
Item LocatedCanada
Quantity1
MaterialThermoplastic
ConditionNew
item #1001CYW0
Show less

What does a belt tensioner do?

Seat belt tensioners represent an integral facet of contemporary automotive safety systems. These sophisticated devices are meticulously engineered to augment passenger protection by mitigating the potentially injurious effects of a vehicular collision or abrupt deceleration event. 

Belt tensioner noise

Belt tensioner noise is typically an indication of a problem within the engine's accessory drive system, and it should not be ignored.

Squealing or Whining Noise: A common sign of a failing or worn-out belt tensioner is a high-pitched squealing or whining noise. This noise is often most noticeable when you start the engine or when you engage accessories like the air conditioner or power steering.

Rattling or Grinding Noise: A failing tensioner may also produce a rattling or grinding noise, especially at higher engine speeds or when the drive belt is under load.

Intermittent Noise: The noise produced by a failing belt tensioner can be intermittent, depending on factors like engine temperature and load.

Belt tensioner replacement

Replacing a belt tensioner is a relatively straightforward mechanical procedure, but it does require some mechanical knowledge and the right tools. Steps to follow when you are planning to replace your seal belt tensioner.

  1. Safety first: Ensure the engine is off, and the vehicle is secure. Disconnect the battery if necessary.
  2. Locate tensioner: Find the belt tensioner, usually a pulley on a bracket with a spring-loaded arm.
  3. Release belt tension: Use the right tool to rotate the tensioner arm, relieving tension on the drive belt.
  4. Remove belt: Carefully slide the belt off the pulleys. Note routing for reference.
  5. Remove old tensioner: Unbolt the old tensioner, keeping track of the hardware.
  6. Install new tensioner: Place the new tensioner in the same spot and secure it with bolts. Align it correctly.
  7. Reinstall belt: Put the belt back on the pulleys, ensuring proper alignment.
  8. Adjust tension: Use the tool to apply tension and follow the manufacturer's specs.
  9. Double-check: Confirm belt alignment and tension on all pulleys.
  10. Test: Start the engine, listen for issues, and check belt movement.
  11. Reconnect battery: If disconnected earlier, reconnect the vehicle's battery.
  12. Dispose of old parts: Properly dispose of the old tensioner and parts.

Related Blogs

Should You Replace the Tensioner When Replacing a Cracked Serpentine Belt?

Don't automatically replace the tensioner with a cracked serpentine belt. Check for weak spring force, misalignment, or noise. Replace both if the tensioner is worn; otherwise, swapping just the belt is often sufficient.

Aug 28, 2026