2011 Ford Mustang Belt Tensioners

Keep Your 2011 Ford Mustang in Top Shape with Quality Belt Tensioners

Whether you’re repairing or upgrading your Belt Tensioner, using high-quality parts is key to keeping your 2011 Ford Mustang looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Belt Tensioner Assemblies. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Belt Tensioners from Trusted Brands

Looking for a reliable Belt Tensioner? We’ve got you covered with options from brands you know and trust like Litens and Dayco. For example, Litens Belt Tensioners start at just $94.99 with an average 4.7 star rating. Dayco offer similar pricing and quality, backed by strong customer feedback. With over 69 reviews and a solid 5 star average, you can shop with confidence knowing other Ford Mustang owners approve.

Explore Related Parts

While you’re upgrading or replacing your Belt Tensioner, don’t forget to check out other key components like Pulleys and Serpentine and V Belts. At Advance Auto Parts, we’re here to help you keep your 2011 Ford Mustang in peak condition, inside and out.

Essential 2011 Ford Mustang Belt Tensioners

Motorcraft – DRIVE BELT TENSIONER (Part No.BT-103)

DRIVE BELT TENSIONER

from

$159.99
DRIVE BELT TENSIONER

Dayco – Automatic Belt Tensioner (Part No.89252)

Automatic Belt Tensioner

from

$52.99
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage – or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavy-duty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.

Product Features:
  • Endures the toughest conditions while promoting quieter performance and longer life
  • Features a steel pivot tube on specific designs for enhanced stability
  • Built to outperform and outlast competitive OE parts
  • This tensioner is another Dayco product proudly made in the USA
See More

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999830A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$105.99
This Litens supplied tensioner is manufactured to original equipment specifications. This part is specifically designed for Ford / Lincoln 5.0L applications. Heavy duty thermoplastic pulley construction ensures long life and trouble-free performance. This tensioner meets or exceeds all original equipment fit, form, and performance characteristics. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Heavy duty thermoplastic pulley construction
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
  • Installation instructions included
See More

Dayco – Automatic Belt Tensioner, Dayco (Part No.89233)

Automatic Belt Tensioner, Dayco

from

$75.99
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage – or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavy-duty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.

Product Features:
  • Endures the toughest conditions while promoting quieter performance and longer life
  • Features a steel pivot tube on specific designs for enhanced stability
  • Built to outperform and outlast competitive OE parts
  • This tensioner includes the required hardware for proper installation
See More

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999198A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$83.99
This Litens belt tensioner is manufactured by the original equipment tensioner supplier to Ford and meets all form, fit, and performance characteristics of the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). As with the original equipment part, this replacement tensioner is manufactured in Canada for Ford Mustangs with a manual transmissions. The aftermarket part maintains the precision cast locator pin plus a lift feature for ease of installation. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by the original equipment part supplier to ensure proper form, fit, and performance.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
  • Installation instructions included.
  • Lift feature to help remove and install the serpentine belt.
  • Heavy Duty Polymer pulley
  • Professional Mechanics will change this tensioner in about 20 minutes.
See More

Dayco – Automatic Belt Tensioner (Part No.89220)

Automatic Belt Tensioner

from

$75.99
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage – or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavy-duty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.

Product Features:
  • Endures the toughest conditions while promoting quieter performance and longer life
  • Features a steel pivot tube on specific designs for enhanced stability
  • Built to outperform and outlast competitive OE parts
  • Made in the USA
See More

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999380A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$94.99
Litens Automotive is the original equipment supplier of this tensioner for this Ford/Mazda application. The Litens replacement part meets all form, fit, and performance characteristics of the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). The Litens replacement part maintains the round wire spring and internal damping components specified by the O.E. manufacturer. CAUTION: Some non-original equipment manufacturers have consolidated this part with a similar Ford/Mazda tensioner. They provide a spacer sleeve for the bolt and 2 extra bolts to assist in installation. While the part may be mounted on either engine design, the belt drives require different tension values and the nominal tensioner position once the belt is installed may not be correct. Best to always use the Litens original design for proper performance. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by the original equipment part supplier to ensure proper form, fit, and performance.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
  • This belt tensioner has belt-length indicator marking to warn of excessive belt stretch.
  • Durable Thermoplastic Pulley for long service life and performance.
  • Professional Mechanics will change this tensioner in about 1 hour.
  • Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
  • Belt removal is required to change the tensioner. Therefore, doing both together will extend accessory drive life and lower overall labor versus performing these services separately. Installation instructions included.
See More

Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89655)

Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts

from

$89.99
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage – or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavy-duty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.

Product Features:
  • Endures the toughest conditions while promoting quieter performance and longer life
  • Features a steel pivot tube on specific designs for enhanced stability
  • Built to outperform and outlast competitive OE parts
  • Rust resistant construction
See More

Dayco – Automatic Belt Tensioner (Part No.89291)

Automatic Belt Tensioner

from

$49.49
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage – or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavy-duty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.

Product Features:
  • Endures the toughest conditions while promoting quieter performance and longer life
  • Features a steel pivot tube on specific designs for enhanced stability
  • Built to outperform and outlast competitive OE parts
  • This tensioner is another Dayco product proudly made in the USA
See More

Motorcraft – DRIVE BELT TENSIONER (Part No.BT-118)

DRIVE BELT TENSIONER

from

$127.99
DRIVE BELT TENSIONER

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999023A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$93.99
This Litens aftermarket part is designed and engineered by one of the world’s largest supplier of Original Equipment (O.E.) tensioners. While the appearance is slightly different from the original equipment part, the Litens part maintains Ford original form, fit, and function specifications. The tensioner design includes an integrated mounting bolt as well as a molded locating pin for precise installation. Choosing The Correct Replacement Part: The Litens aftermarket tensioner use a round spring versus a flat spring and is marked “Made in Canada” . Specifically designed for the 4-Cyl. 2.4L Thunderbird and Mustang (Passenger side tensioner / WP). Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by the one on the world’s largest original equipment tensioner suppliers to ensure proper form, fit, and performance.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.
  • Installation instructions included.
  • Heavy Duty Glass Reinforced Polymer Pulley for optimized dimensional control and running surface durability
  • Professional Mechanics will change this tensioner in approx. 20 minutes.
  • Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
See More

Dayco – Automatic Belt Tensioner (Part No.89296)

Automatic Belt Tensioner

from

$90.99
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage – or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavy-duty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.

Product Features:
  • Endures the toughest conditions while promoting quieter performance and longer life
  • Features a steel pivot tube on specific designs for enhanced stability
  • Built to outperform and outlast competitive OE parts
See More

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999544A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$59.99
Litens was the Original Equipment (O.E.) supplier of this Ford /Lincoln tensioner and offers this “O.E. Exact”* part for the aftermarket. This “O.E. Exact”* part for the aftermarket meets all original equipment form, fit, and function specifications. *(O.E. Exact – Original Equipment manufacturers prohibits the use of their part number or logo on parts sold to other customers. Therefore, the Litens aftermarket part may have minor cosmetic differences but still be exact in performance and design). This tensioner is designed with a lift feature to assist in raising and lowering the tensioner during belt removal and installation as well as a heavy duty steel pulley. Choosing The Correct Replacement Part: Both the original equipment and Litens aftermarket tensioner use round spring technology and are marked “Made in Canada”. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by the original equipment part supplier to ensure proper form, fit, and performance.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.
  • Installation instructions included.
  • Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
  • Professional Mechanics will change this tensioner in approx. 20 minutes.
  • Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
See More

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999146A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$137.99
This application featured the very first automatic belt tensioner in the world. Litens Automotive was the original equipment (O.E.) supplier of this tensioner for Ford applications. Since this part was first introduced in 1979, there have been many technology improvements that Litens has now incorporated into this tensioner. The Litens replacement part meets all fit and performance characteristics of the original equipment part but looks different from the original part supplied from 1979-84. The tensioner maintains the O.E. round spring technology as well as a robust steel pulley. The tensioner is supplied with a new installation bolt to ensure proper fit and alignment. Note: The new tensioner has a cast-in locating pin on the engine side of the tensioner. For this pin to fit properly, the location hole on the engine must be slightly enlarged with using a 17/64″ drill bit – follow instructions provided. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Designed and engineered by the original equipment part supplier to ensure proper form, fit, and performance.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
  • Installation instructions included.
  • Heavy Duty Steel Pulley
  • Professional Mechanics will change this tensioner in about 20 minutes.
  • Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
See More

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999005A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$67.99
This Litens aftermarket part is designed and engineered by The Litens Automotive Group – the world’s largest supplier of Original Equipment (O.E.) tensioners. While the appearance is slightly different from the original equipment part, the Litens part maintains Ford/Lincoln/Mercury’s original form, fit, and function specifications. The tensioner comes equipped with a heavy duty steel pulley for long life and trouble-free performance. Designed as a direct replacement tensioner for these very popular vehicles. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by the world’s largest original equipment tensioner supplier to ensure proper form, fit, and performance.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.
  • Installation instructions included.
  • Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
  • Professional Mechanics will change this tensioner in approx. 20 minutes.
  • Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
See More

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999100A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$81.99
Litens was the Original Equipment (O.E.) supplier of this part and offers this “O.E. Exact” part for the aftermarket. The Litens product meets all original equipment form, fit, and function specifications for this Ford/Mercury tensioner.( O.E. Exact – Original Equipment manufacturers prohibits the use of their part number or logo on parts sold to other customers. Therefore, the Litens aftermarket part may have minor cosmetic differences but still be exact in performance and design.) Design improvements incorporated since production of this tensioner include an integrated washer/pulley bolt and a face-plate modification. Following the Ford aftermarket specification, the pulley has been changed from steel to plastic Choosing The Correct Replacement Part: Both the original equipment and Litens aftermarket tensioner use a round spring versus a flat spring. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by the original equipment part supplier to ensure proper form, fit, and performance.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.
  • Installation instructions included.
  • Heavy Duty Glass Reinforced Polymer Pulley for optimized dimensional control and running surface durability
  • Professional Mechanics will change this tensioner in approx. 20 minutes.
  • Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
See More

Motorcraft – DRIVE BELT TENSIONER (Part No.BT-68)

DRIVE BELT TENSIONER

from

$64.99
DRIVE BELT TENSIONER

Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89631)

Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts

from

$121.99
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage – or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavy-duty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.

Product Features:
  • Endures the toughest conditions while promoting quieter performance and longer life
  • Features a steel pivot tube on specific designs for enhanced stability
  • Built to outperform and outlast competitive OE parts
  • Made in the USA
See More

Dayco – Automatic Belt Tensioner (Part No.89247)

Automatic Belt Tensioner

from

$75.99
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage – or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavy-duty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.

Product Features:
  • Endures the toughest conditions while promoting quieter performance and longer life
  • Features a steel pivot tube on specific designs for enhanced stability
  • Built to outperform and outlast competitive OE parts
  • Dayco’s patented Nylon Pivot Bushing keeps internal components in constant contact to maintain proper tensioner alignment
See More

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999082A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$81.99
Litens Automotive is the original equipment supplier of this tensioner for this Ford application. The Litens replacement part meets all form, fit, and performance characteristics of the original equipment part. The Litens replacement part maintains the round wire spring and internal damping components specified by the O.E. manufacturer. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by the original equipment part supplier to ensure proper form, fit, and performance.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
  • Heavy Duty Thermoplastic Pulley
  • Professional Mechanics will change this tensioner in approx. 20 minutes
  • Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
  • Installation instructions included.
See More

Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89218)

Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts

from

$67.99
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage – or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavy-duty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.

Product Features:
  • Endures the toughest conditions while promoting quieter performance and longer life
  • Features a steel pivot tube on specific designs for enhanced stability
  • Built to outperform and outlast competitive OE parts
  • Includes installation instructions
See More

Dayco – Automatic Belt Tensioner (Part No.89263)

Automatic Belt Tensioner

from

$59.99
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage – or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavy-duty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.

Product Features:
  • Endures the toughest conditions while promoting quieter performance and longer life
  • Features a steel pivot tube on specific designs for enhanced stability
  • Built to outperform and outlast competitive OE parts
See More

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999461A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$95.99
This Litens supplied tensioner is manufactured to original equipment specifications. This part is specifically designed for Ford / Lincoln applications. Heavy duty thermoplastic pulley construction ensures long life and trouble-free performance. This tensioner meets or exceeds all original equipment fit, form, and performance characteristics. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Heavy duty thermoplastic pulley construction
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
  • Installation instructions included
See More

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999044A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$105.99
This Litens aftermarket part is designed and engineered by one of the world’s largest supplier of Original Equipment (O.E.) tensioners. While the appearance is slightly different from the original equipment part, the Litens part maintains Ford Mustang’s original form, fit, and function specifications. The Litens design includes a molded location pin on the base to ensure precise installation. Choosing The Correct Replacement Part: The Litens aftermarket tensioner use a round spring versus a flat spring and is marked “Made in Canada”. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by the one on the world’s largest original equipment tensioner suppliers to ensure proper form, fit, and performance.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.
  • Installation instructions included.
  • Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
  • Professional Mechanics will change this tensioner in approx. 20 minutes.
  • Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
See More

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999632A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$109.99
Litens was the Original Equipment (O.E.) supplier of this part and offers this “O.E. Exact” part for the aftermarket. This popular tensioner designed for Ford Diesel vehicles, looks, fits, and performs like the original part being replaced. “O.E. Exact” – Original Equipment manufacturers prohibits the use of their part number or logo on parts sold to other customers. Therefore, the Litens aftermarket part may have minor cosmetic differences but still be exact in performance and design. Like the original design, this tensioner maintains the molded dual locating pins, a molded lift feature in the arm, and the heavy duty steel pulley. The Tensioner comes complete with a new fastening bolt. Choosing The Correct Replacement Part: Both the original equipment and Litens aftermarket tensioner use a round spring versus a flat spring and are marked “Made in Canada”. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by the original equipment part supplier to ensure proper form, fit, and performance.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
  • Heavy Duty Steel Pulley
  • Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
  • Belt removal is required to change the tensioner. Therefore, doing both together will extend accessory drive life and lower overall labor versus performing these services separately.
  • Installation instructions included
See More

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999670A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$70.99
This Litens supplied tensioner is manufactured to original equipment specifications. This part is specifically designed for Ford applications. Heavy duty steel pulley construction ensures long life and trouble-free performance. This tensioner meets or exceeds all original equipment fit, form, and performance characteristics. For maximum performance and durability, always use genuine Litens components. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Dorman – Automatic Belt Tensioner (Tensioner only) (Part No.419-208)

Automatic Belt Tensioner (Tensioner only)

from

$62.99
This accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles. It is engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue.

Product Features:
  • Direct replacement – this accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles
  • Ideal solution – engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999052A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$49.49
This Litens aftermarket part is designed, engineered, and manufactured by one of the world’s largest supplier of Original Equipment (O.E.) tensioners. While the appearance is slightly different from the original equipment part, the Litens part maintains Ford/Mercury/Lincoln original form, fit, and function specifications. This tensioner is designed with a belt range (stretch) indicator, a heavy duty steel pulley, as well as a molded locator pin for precise installation. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by one of the world’s largest the original equipment tensioner suppliers to ensure proper form, fit, and performance.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.
  • Installation instructions included.
  • Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
  • Professional Mechanics will change this tensioner in approx. 20 minutes.
  • Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
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Most Popular Belt Tensioner Assemblies for 2011 Ford Mustangs

Enhance your 2011 Ford Mustang with one of the 8 Belt Tensioner Assemblies we have in stock, starting at just $75.99.

Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89631)

Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts

from

$121.99
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage – or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavy-duty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.

Product Features:
  • Endures the toughest conditions while promoting quieter performance and longer life
  • Features a steel pivot tube on specific designs for enhanced stability
  • Built to outperform and outlast competitive OE parts
  • Made in the USA
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Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999461A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$95.99
This Litens supplied tensioner is manufactured to original equipment specifications. This part is specifically designed for Ford / Lincoln applications. Heavy duty thermoplastic pulley construction ensures long life and trouble-free performance. This tensioner meets or exceeds all original equipment fit, form, and performance characteristics. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Heavy duty thermoplastic pulley construction
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
  • Installation instructions included
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Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999830A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$105.99
This Litens supplied tensioner is manufactured to original equipment specifications. This part is specifically designed for Ford / Lincoln 5.0L applications. Heavy duty thermoplastic pulley construction ensures long life and trouble-free performance. This tensioner meets or exceeds all original equipment fit, form, and performance characteristics. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Heavy duty thermoplastic pulley construction
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
  • Installation instructions included
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Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999380A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$94.99
Litens Automotive is the original equipment supplier of this tensioner for this Ford/Mazda application. The Litens replacement part meets all form, fit, and performance characteristics of the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). The Litens replacement part maintains the round wire spring and internal damping components specified by the O.E. manufacturer. CAUTION: Some non-original equipment manufacturers have consolidated this part with a similar Ford/Mazda tensioner. They provide a spacer sleeve for the bolt and 2 extra bolts to assist in installation. While the part may be mounted on either engine design, the belt drives require different tension values and the nominal tensioner position once the belt is installed may not be correct. Best to always use the Litens original design for proper performance. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by the original equipment part supplier to ensure proper form, fit, and performance.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
  • This belt tensioner has belt-length indicator marking to warn of excessive belt stretch.
  • Durable Thermoplastic Pulley for long service life and performance.
  • Professional Mechanics will change this tensioner in about 1 hour.
  • Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
  • Belt removal is required to change the tensioner. Therefore, doing both together will extend accessory drive life and lower overall labor versus performing these services separately. Installation instructions included.
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Dayco – Automatic Belt Tensioner, Dayco (Part No.89233)

Automatic Belt Tensioner, Dayco

from

$75.99
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage – or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavy-duty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.

Product Features:
  • Endures the toughest conditions while promoting quieter performance and longer life
  • Features a steel pivot tube on specific designs for enhanced stability
  • Built to outperform and outlast competitive OE parts
  • This tensioner includes the required hardware for proper installation
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Motorcraft – DRIVE BELT TENSIONER (Part No.BT-118)

DRIVE BELT TENSIONER

from

$127.99
DRIVE BELT TENSIONER

Motorcraft – DRIVE BELT TENSIONER (Part No.BT-103)

DRIVE BELT TENSIONER

from

$159.99
DRIVE BELT TENSIONER

Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89655)

Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts

from

$89.99
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage – or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavy-duty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.

Product Features:
  • Endures the toughest conditions while promoting quieter performance and longer life
  • Features a steel pivot tube on specific designs for enhanced stability
  • Built to outperform and outlast competitive OE parts
  • Rust resistant construction
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Top-Rated Belt Tensioner Brands For Your 2011 Ford Mustang

When it comes to finding the perfect Belt Tensioner for your 2011 Ford Mustang, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Belt Tensioner brands including Litens and Dayco, and more, all known for their exceptional customer ratings (average brand rating of 4.7 stars) and competitive prices, as low as $75.99. Purchasing a Belt Tensioner from us here at Advance Auto Parts is a smart move for both you and your 2011 Ford Mustang, providing peace of mind with parts that meet or exceed OEM standards.

Popular Litens 2011 Ford Mustang Belt Tensioners

If you’re looking for a top-quality Belt Tensioner for your 2011 Ford Mustang, Advance Auto Parts has exactly what you need with our selection of Litens Belt Tensioners. We have 3 Litens Belt Tensioners in stock for this fitment, all known for their durability and precision fit. With prices starting at just $94.99 and an average cost of $98.99, you’ll find the perfect Belt Tensioner for your needs and budget. Litens Belt Tensioners for the 2011 Ford Mustang come highly rated, with over 4 customer reviews and an impressive average rating of 4.7 stars. Choosing a Litens Belt Tensioner from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Accessory Drive Belt Tensioner - Original Equipment Quality
from $105.99
(1)
Accessory Drive Belt Tensioner – Original Equipment Quality
“Easy fit and finish oem replacement”
Accessory Drive Belt Tensioner - Original Equipment Quality
from $95.99
(1)
Accessory Drive Belt Tensioner – Original Equipment Quality
“Worked great on my 2011 mustang.”
Accessory Drive Belt Tensioner - Original Equipment Quality
from $94.99
(2)
Accessory Drive Belt Tensioner – Original Equipment Quality
“Perfect fit the first time, normally you key in all the correct information about your vehicle and match up the part with the online pictures …only ”

Top-Quality Dayco 2011 Ford Mustang Belt Tensioners

For those in search of a high-quality Belt Tensioner for their 2011 Ford Mustang, Advance Auto Parts offers a great selection of Dayco Belt Tensioners. With 2 Dayco Belt Tensioners in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Belt Tensioners start at just $75.99, with an average price of $98.99, giving you a range of options to suit your budget. Backed by over 65 customer ratings and an average rating of 4.5 stars, Dayco Belt Tensioners provide both reliability and excellent performance. Choosing a Dayco Belt Tensioner from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Automatic Belt Tensioner, Dayco
from $75.99
(63)
Automatic Belt Tensioner, Dayco
“As usual the right part for the job.”

FAQs for 2011 Ford Mustang Belt Tensioners

What are the best-selling Belt Tensioners for 2011 Ford Mustangs?

Out of 8 Belt Tensioners that fit 2011 Ford Mustangs, the following parts are the top sellers:

What’s the price range for 2011 Ford Mustang Belt Tensioners?

The prices of Belt Tensioners for the 2011 Ford Mustang range from $75.99 up to $159.99 for the most premium parts.

What is the average price of a Belt Tensioner for a 2011 Ford Mustang?

The average price for Belt Tensioners for the 2011 Ford Mustang is $109.12. Keep in mind the variety of part types within our Belt Tensioner category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Belt Tensioners for other Ford Mustang model years?

Yes, we carry Belt Tensioners for 45 model years of Ford Mustangs between 1979 and 2025. The following model years are the most popular for Belt Tensioner purchases: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Belt Tensioners for my 2011 Ford Mustang?

Does Advance Auto Parts sell Belt Tensioners for any other 2011 Ford models?

Yes. We stock Belt Tensioners for 23 other popular 2011 Ford models. Some of the most popular are 2011 F-150 Belt Tensioners, 2011 Explorer Belt Tensioners, 2011 F-250 Super Duty Belt Tensioners, 2011 F-350 Super Duty Belt Tensioners, and 2011 Taurus Belt Tensioners.

What are the top-rated Belt Tensioners that fit the 2011 Ford Mustang?

The one 2011 Ford Mustang Belt Tensioner we have in stock is the Automatic Belt Tensioner, Dayco. It is rated 4.5 stars and costs $75.99.

What types of Belt Tensioners do you sell for my 2011 Ford Mustang?

We currently have just 1 Belt Tensioner in stock for a 2011 Ford Mustang, and as of 11/2/25, it is a Belt Tensioner Assembly.

Can I get help with 2011 Ford Mustang Belt Tensioner orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Ford Belt Tensioners and more.

What is your return policy for Ford Mustang Belt Tensioners?

Advance Auto Parts keeps returns simple. For new Ford Mustang Belt Tensioners and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.