GMC Sierra 2500 HD Belt Tensioner Assemblies

Your GMC Sierra 2500 HD will be happy to know that the search for the right Belt Tensioner Assemblies you’ve been looking for is over! Advance Auto Parts has 23 different Belt Tensioner Assemblies for your vehicle, ready for shipping or in-store pick up. The best part is, our GMC Sierra 2500 HD Belt Tensioner Assemblies start from as little as $19.57.

When it comes to your GMC Sierra 2500 HD, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Belt Tensioner Assemblies brands so you can shop with complete confidence. Some of our top Belt Tensioner Assemblies brands are Dayco and Litens. We’re sure you will get the right product to keep that Sierra 2500 HD running for a long time.

We even have reviews of our OEM and aftermarket Belt Tensioner Assemblies products to help you buy with confidence. Hear from other customers via the 18,178 reviews on parts for your GMC Sierra 2500 HD.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Belt Tensioner Assemblies for your Sierra 2500 HD, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 GMC Belt Tensioner Assemblies

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999366A)

Serpentine Belt Tensioner: 1 Piece

from

$92.99
This Litens supplied tensioner is manufactured to original equipment specifications. 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 – Serpentine Belt Tensioner: 1 Piece (Part No.999010A)

Serpentine Belt Tensioner: 1 Piece

from

$62.99
This Litens tensioner is manufactured by the Original Equipment (O.E.) supplier of this popular General Motors tensioner. 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.) Note: The dust shield protecting the bearing has been upgraded from the original 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”. This tensioner is supplied with a new OE style mounting bolt. 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
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999581A)

Serpentine Belt Tensioner: 1 Piece

from

$102.99
Litens was the Original Equipment (O.E.) supplier of this Chrysler 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 has an integrated lift feature in the tensioner arm to assist in belt removal and installation. 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 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
See More

Dayco – Serpentine Belt Tensioner: 1 Piece, Built To Outperform And Outlast OE Parts (Part No.89324)

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

from

$48.49
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 heavyduty 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

Dayco – Serpentine Belt Tensioner: 1 Piece, Built To Outperform And Outlast OE Parts (Part No.89204)

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

from

$73.99
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
  • This tensioner is another Dayco product proudly made in the USA
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999049A)

Serpentine Belt Tensioner: 1 Piece

from

$75.99
This Litens tensioner is manufactured by one of the Original Equipment (O.E.) suppliers of this popular General Motors tensioner. This “O.E. Exact”* part for the aftermarket meets all original equipment form, fit, and function specifications. (*OE 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). There is both an original equipment flat-spring and round-spring version of this tensioner. Litens round-spring tensioner will replace either version. 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.
  • 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

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999129A)

Serpentine Belt Tensioner: 1 Piece

from

$117.99
This Litens tensioner is manufactured by the Original Equipment (O.E.) supplier of this popular tensioner used on G.M. V-8 8.1L vehicles. 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). Choosing The Correct Replacement Part: Both the original equipment and Litens aftermarket tensioner are marked “Made in Canada”. This is the tensioner for the main serpentine drive. 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
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.910548A)

Serpentine Belt Tensioner: 1 Piece

from

$203.99
This Heavy Duty Truck and Bus tensioner is designed and engineered by one of the world’s largest supplier of original equipment (O.E.) belt tensioners in the world. 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 to meet or exceed the performance and life specifications of the O.E. part. The part features a premium chrome-silicon steel spring, internal damping, a “lift-lug” feature for ease of installation, Tandem 6303 ball bearings, a molded locator pin for precise installation, and a forged steel pulley. Includes a new mounting bolt 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.
See More

Dayco – Serpentine Belt Tensioner: 1 Piece, Built To Outperform And Outlast OE Parts (Part No.89253)

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

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 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

Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89258)

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

from

$48.49
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
  • Rust resistant construction
See More

Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89231)

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 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
  • This tensioner includes the required hardware for proper installation
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999033A)

Serpentine Belt Tensioner: 1 Piece

from

$58.99
This Litens tensioner is manufactured by the Original Equipment (O.E.) supplier of this popular G.M./Isuzu/Hummer tensioner. 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). Note: The dust shield (pulley washer) has been a modified for this aftermarket part. 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 Glass Reinforced Polymer Pulley for optimized dimensional control and running surface durability
  • 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

Dayco – Serpentine Belt Tensioner: 1 Piece, Built To Outperform And Outlast OE Parts (Part No.89259)

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

from

$85.99
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 – Serpentine Belt Tensioner: 1 Piece (Part No.999679A)

Serpentine Belt Tensioner: 1 Piece

from

$145.99
Litens Automotive is the original equipment supplier of this tensioner to General Motors, Saturn, and Suzuki. 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, the heavy duty steel pulley, and the internal damping components specified by the O.E. manufacturer. The tensioner maintains the OE designed lift feature for ease of belt removal and installation. Also used on Holden vehicles in Australia. 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.
  • This belt tensioner has belt-length indicator marking to warn of excessive belt stretch. Durable Steel Pulley for long service life and performance.
  • Professional Mechanics will change this tensioner in about 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

Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89265)

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

from

$68.99
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
See More

Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89310)

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
See More

Dayco – Serpentine Belt Tensioner: 1 Piece, Built To Outperform And Outlast OE Parts (Part No.89228)

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

from

$44.99
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
  • This tensioner is another Dayco product proudly made in the USA
See More

Dayco – Automatic Belt Tensioner (Part No.89239)

Automatic Belt Tensioner

from

$49.49
Dayco No Slack Automatic Belt Tensioners are built to outperform and outlast competitive OE parts. This specific Dayco Automatic Belt Tensioner is manufactured with a specially coated patented flat wire spring to allow the internal tension to be concentric, thus providing a more even degree of constant tension. The heavy duty cast aluminum spring case resists cracking and fatigue. Each component is built to resist rust, endure the toughest of conditions while promoting quieter performance and longer life. Dayco’s specially patented Deflected Arm Plate dampens arm movement, prolonging the life of the tensioner by limiting the amount of rotational movement.

Product Features:
  • Manufactured with a specially coated patented flat wire spring to allow the internal tension to be concentric, thus providing a more even degree of constant tension
  • The patented Deflected Arm Plate dampens arm movement, prolonging the life of the tensioner by limiting the amount of rotational movement
  • The heavy duty cast aluminum spring case resists cracking and fatigue
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Dayco – Serpentine Belt Tensioner: 1 Piece, Built To Outperform And Outlast OE Parts (Part No.89201)

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

from

$70.99
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

Dayco – Serpentine Belt Tensioner: 1 Piece, Built To Outperform And Outlast OE Parts (Part No.89211)

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

from

$45.99
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

Dayco – Serpentine Belt Tensioner: 1 Piece, Built To Outperform And Outlast OE Parts (Part No.89225)

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

from

$35.99
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

Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89268)

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

from

$60.99
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
  • This tensioner is another Dayco product proudly made in the USA
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999551A)

Serpentine Belt Tensioner: 1 Piece

from

$74.99
Litens was the Original Equipment (O.E.) supplier of this G.M./SAAB/Hummer/Isuzu 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). Both the original and this aftermarket part use Litens patented “noose-ring” internal damping system not available in aftermarket tensioners from other suppliers. The tensioner is designed with a square lift feature molded into the arm to assist in belt replacement as well as a belt stretch indicator. 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.
  • Heavy Duty Thermoplastic Pulley. (Note: The pulley on the OE tensioner may be steel or thermoplastic).
  • 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.
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999034A)

Serpentine Belt Tensioner: 1 Piece

from

$56.99
This genuine Litens tensioner is manufactured and designed by Litens, the world’s largest manufacturer of belt tensioners. To address shortcomings and common failure points of the original tensioner, Litens has released this new and improved design. A 20% increase in tension results in less noise and belt slip. The main tensioner pivot has been greatly improved to prevent binding frequently experienced with the original part, and a high speed bearing has been implemented to provide long life and reliability._

Product Features:
  • the world’s largest manufacturer of belt tensioners. To address shortcomings and common failure points of the original tensioner.
  • Litens has released this new and improved design. A 20% increase in tension results in less noise and belt slip. The main tensioner pivot has been greatly improved to prevent binding frequently experienced with the original part
  • and a high speed bearing has been implemented to provide long life and reliability.
  • 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.
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999545A)

Serpentine Belt Tensioner: 1 Piece

from

$101.99
This accessory drive tensioner is designed and engineered by Litens – the world’s largest supplier of original equipment (O.E.) belt tensioners in the world. This part was designed for the 2014-2019 Chevrolet Silverado / GMC Sierra,Yukon/Cadillac Escalade with 4.3/5.3/6.2L. The Litens replacement part meets all form, fit, and performance characteristics of the original equipment part. This part is manufactured to meet or exceed the performance and life specifications of the O.E. part. The part features a premium chrome-silicon steel spring, internal damping, a lift-lug feature for ease of installation, heavy duty steel pulley with a 6203 close tolerance ball bearings pocket for rugged durability and Electro-deposited coating for superior corrosion resistance. 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 world’s largest Original Equipment supplier of accessory drive tensioners and pulleys.
  • 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 with a 6203 close tolerance ball bearings pocket for rugged durability and Electro-deposited coating for superior corrosion resistance
  • 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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FAQs for GMC Sierra 2500 HD Belt Tensioner Assemblies

What are the most popular Belt Tensioner Assemblies for the GMC Sierra 2500 HD?

With 4 brands you can trust, our most popular Belt Tensioner Assemblies for the GMC Sierra 2500 HD are:
Serpentine Belt Tensioner: 1 Piece
from $56.99
This product is not rated
Serpentine Belt Tensioner: 1 Piece
Belt Tensioner Assemblies

What are the best aftermarket Belt Tensioner Assemblies for the GMC Sierra 2500 HD?

See what past customers had to say about our highest-rated Belt Tensioner Assemblies for the GMC Sierra 2500 HD:
Serpentine Belt Tensioner: 1 Piece, Built To Outperform And Outlast OE Parts
from $48.49
(1)
Serpentine Belt Tensioner: 1 Piece, Built To Outperform And Outlast OE Parts
“LINE UP PINS ON OLD ONE BROKE TAKING IT OFF. HAD TO REMOVE COMPLETE BRACKET TO EXTRACT PINS. REPLACEMENT PART FIT PERFECT, ONE BOLT INSTALL.”
Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts
from $60.99
(1)
Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts
“It lasted just one week of light use, then broke apart while driving and left me without power steering and brakes in a curve. Hopefully no cars where”