2021 Jeep Wrangler Belt Tensioners

Keep Your 2021 Jeep Wrangler in Top Shape with a Quality Belt Tensioner

When it comes to maintaining or upgrading your 2021 Jeep Wrangler, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Belt Tensioner for your Wrangler. We currently carry a top Belt Tensioner in stock that is built to last. Whether you’re replacing a damaged Belt Tensioner or looking to upgrade, our selection for the 2021 Jeep Wrangler ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Pulleys and Serpentine and V Belts to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2021 Jeep Wrangler running smoothly and looking great.

Essential 2021 Jeep Wrangler Belt Tensioners

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999462A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$70.99
Litens was the Original Equipment (O.E.)supplier of this Jeep 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). The tensioner design features 2 molded locator pins for precise installation as well as a lift feature in the 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.
  • 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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Omix – SerpBeltTens (Part No.17112.17)

SerpBeltTens

from

$243.99
SerpBeltTens

Dayco – Automatic Belt Tensioner (Part No.89280)

Automatic Belt Tensioner

from

$58.99
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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Dayco – Serpentine Belt Tensioner; 1 Piece, HD Cast Aluminum Case, Meets Or Exceeds OE (Part No.89689)

Serpentine Belt Tensioner; 1 Piece, HD Cast Aluminum Case, Meets Or Exceeds OE

from

$221.99
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 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
  • Meets or exceeds OE quality
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Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999816A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$96.99
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 Jeep Wrangler 3.8L vehicles, looks, fits, and performs like the original part being replaced. Unlike many Non-O.E. aftermarket tensioners, the Litens part maintains the internal damping feature for optimal performance and life. 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 heavy duty polymer pulley is attached to the tensioner with an integrated bolt/washer, has two molded locator pins for accurate installation, and the tensioner arm maintains the O.E. lift feature for easy 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. Common O.E. reference number 53032860A 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.
  • Durable Polymer Pulleys for long service life and performance.
  • Professional Mechanics will change this tensioner in approx. 30 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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Crown Auto Jeep Replacmnt – OE Replacement (Part No.53032860AA)

OE Replacement

from

$78.99
Crown Automotive offers the largest line of replacement parts for Jeep (R), as well as a growing line of parts for Chrysler and Dodge vehicles. Our applications features Axle, Body, Brake, Clutch, Cooling, Electrical, Engine, Fuel, Lamps, Mirrors, Steering, Suspension, Transmission and Wiper.

Product Features:
  • Constructed From Plastic And Metal
  • Hazardous Free Material
  • Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts And Exceptional Service
  • Easy To Install
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Dorman – Automatic Belt Tensioner (Tensioner Only) (Part No.419-016)

Automatic Belt Tensioner (Tensioner Only)

from

$44.49
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.999047A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$58.99
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 Chrysler/Dodge/Jeep/Mitsubishi original form, fit, and function specifications. Note: This tensioner has an added lift-lug feature for easy belt removal and installation – This feature was not available on the original part. The part also includes a molded location pin for precise installation as well as a new engine attachment 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 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 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.
  • 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.999627A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$256.99
This Litens supplied tensioner is manufactured to original equipment specifications. This part is specifically designed for Jeep Wrangler w/3.6L 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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Dayco – Automatic Belt Tensioner (Part No.89245)

Automatic Belt Tensioner

from

$66.99
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.999585A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$381.99
This Heavy duty belt tensioner is manufactured by one of the largest original equipment tensioner suppliers to ensure proper fit and performance. This tensioner is produced for serpentine belt routing applications and is made of high strength steel for improved life and durability. This part corresponds to the 2014-Present Jeep Grand Cherokee / Ram 1500 Series with 3.0L Diesel. The tensioner maintains the O.E. round spring technology as well as the internal damping design specified for this application. This higher damping consequently reduces arm motion and wear as well as an optimized install feature for ease on tensioner replacement. 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 largest original equipment part suppliers 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 with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
  • Installation instructions included
See More

Most Popular Belt Tensioner Assembly for 2021 Jeep Wranglers

Enhance your 2021 Jeep Wrangler with this popular Belt Tensioner Assembly we have in stock, for $381.99.

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999585A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$381.99
This Heavy duty belt tensioner is manufactured by one of the largest original equipment tensioner suppliers to ensure proper fit and performance. This tensioner is produced for serpentine belt routing applications and is made of high strength steel for improved life and durability. This part corresponds to the 2014-Present Jeep Grand Cherokee / Ram 1500 Series with 3.0L Diesel. The tensioner maintains the O.E. round spring technology as well as the internal damping design specified for this application. This higher damping consequently reduces arm motion and wear as well as an optimized install feature for ease on tensioner replacement. 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 largest original equipment part suppliers 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 with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
  • Installation instructions included
See More

FAQs for 2021 Jeep Wrangler Belt Tensioners

What’s the price range for 2021 Jeep Wrangler Belt Tensioners?

We currently have just one Belt Tensioners for the 2021 Jeep Wrangler in stock: Accessory Drive Belt Tensioner – Original Equipment Quality and it costs $381.99.

Does Advance Auto Parts sell Belt Tensioners for other Jeep Wrangler model years?

Yes, we carry Belt Tensioners for 23 model years of Jeep Wranglers between 1998 and 2022. The following model years are the most popular for Belt Tensioner purchases: 2019, 2017, 2016, 2015, 2014, 2013, 2012, 2011, and 2010.

Does Advance Auto Parts sell Belt Tensioners for any other 2021 Jeep models?

Yes. We stock Belt Tensioners for 3 other popular 2021 Jeep models. Some of the most popular are 2021 Grand Cherokee Belt Tensioners, 2021 Cherokee Belt Tensioners, 2021 Compass Belt Tensioners, and 2021 Renegade Belt Tensioners.

What types of Belt Tensioners do you sell for my 2021 Jeep Wrangler?

We currently have just 1 Belt Tensioner in stock for a 2021 Jeep Wrangler, and as of 11/2/25, it is a Belt Tensioner Assembly.

Can I get help with 2021 Jeep Wrangler Belt Tensioner orders?

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

What is your return policy for Jeep Wrangler Belt Tensioners?

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