Mercury Cougar Belt Tensioners

Your One-Stop Shop For Trusted Mercury Cougar Belt Tensioners

If you’re in search of Mercury Cougar Belt Tensioners aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 17 Belt Tensioners from top brands with prices ranging from $24.70 to $157.99.

Beyond great prices, we stock trusted brands manufacturing all types of Belt Tensioners for your Mercury Cougar. Of the 3 OEM and aftermarket parts brands we carry, some of the most popular are Dayco, Litens, and Dorman.

And don’t forget to read customer reviews across all Belt Tensioners categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Belt Tensioners have to cost top dollar, and we prove it. Browse our top Mercury Cougar Belt Tensioners below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Mercury Cougar Belt Tensioners

Dayco – Dayco, Acc. Belt Tensioner Assy, Automatic (Part No.G6001926445DAY)

Dayco, Acc. Belt Tensioner Assy, Automatic

from

$81.71
The Dayco Accessory Belt Tensioner Assembly is a direct fit OEM replacement that contains the same high quality craftsmanship and materials as the original equipment it replaces.

Product Features:
  • OE-Equivalent and a direct fit application
  • High quality precision spring tension assembly
  • OE specified bearing and pulley assembly
  • Durable long life performance
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999082A)

Serpentine Belt Tensioner: 1 Piece

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
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner. Therefore, d
  • Installation instructions included.
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999238A)

Serpentine Belt Tensioner: 1 Piece

from

$78.99
Litens was the Original Equipment (O.E.) supplier of this tensioner and offers this “O.E. Exact” part for the aftermarket. This popular water-pump drive system tensioner designed for Ford / Mercury /Mazda 2.5L and 3.0L engines, 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. 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.
  • Installation instructions included.
  • Durable steel for long service life and performance.
  • Professional Mechanics will change this tensioner in approx. 30 minutes
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner. Therefore, d
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999005A)

Serpentine Belt Tensioner: 1 Piece

from

$60.99
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.
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner. Therefore, d
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999100A)

Serpentine Belt Tensioner: 1 Piece

from

$68.99
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.
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner. Therefore, d
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Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89220)

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

from

$74.99
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 slip

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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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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Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89318)

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

from

$51.99
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
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999104A)

Serpentine Belt Tensioner: 1 Piece

from

$157.99
Litens Automotive is the original equipment (O.E.) supplier of this tensioner for Ford supercharged applications. 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). This part is manufactured in Canada by Litens to the same exacting specifications as the O.E. part. The tensioner maintains the O.E. round spring technology as well as the internal damping design specified for this application. 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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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 slip

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

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999003A)

Serpentine Belt Tensioner: 1 Piece

from

$50.99
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/Mazda/Mercury’s original form, fit, and function specifications. The Litens part has been upgraded to include a tensioner arm “lift-lug” for easy belt removal and installation. A new attachment bolt has been included as well. 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.
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner. Therefore, d
See More

Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89247)

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

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
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Dayco – Dayco, Acc. Belt Idler Pulley (Part No.G60201221081DAY)

Dayco, Acc. Belt Idler Pulley

from

$24.70
Dayco, Acc. Belt Idler Pulley

Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89281)

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

from

$53.99
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

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999051A)

Serpentine Belt Tensioner: 1 Piece

from

$49.49
This Litens aftermarket part is designed, engineered, and produced by the Original Equipment (O.E.) tensioner supplier. The original equipment supplier of this popular Ford Motor tensioner has upgraded the original design incorporating the latest technology to improve performance while maintaining the original fit and form. 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.
  • Installation instructions included.
  • Heavy Duty Steel Pulley
  • Professional Mechanics will change this tensioner in approx. 20 minutes to 1 hour,
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner. Therefore, d
See More

Belt Tensioners Brands You Can Trust For Your Mercury Cougar

3 trusted brands of Belt Tensioners line our shelves, ready to help keep your Mercury Cougar running smooth. Below are some of the most popular brands and their top Belt Tensioners offerings:

Top Mercury Cougar Belt Tensioners from Dayco

Your Mercury Cougar will be purring again thanks to Dayco brand Belt Tensioners available for online order or in-store pick up. Popular Dayco parts include:

Most Purchased Mercury Cougar Belt Tensioners from Dayco

When you buy the most frequently purchased Dayco brand Belt Tensioners, you can be confident it will be the right part for your Mercury Cougar. Here are the Dayco Belt Tensioners Advanced Auto customers buy the most:

FAQs for Mercury Cougar Belt Tensioners

What are the most purchased Belt Tensioners for the Mercury Cougar?

Out of 17 Belt Tensioners for the Mercury Cougar, the most popular in our inventory are:
Dayco, Acc. Belt Idler Pulley
from $24.70
This product is not rated
Dayco, Acc. Belt Idler Pulley
Belt Tensioner Assemblies