2025 Subaru Outback Belt Tensioners

Keep Your 2025 Subaru Outback in Top Shape with a Quality Belt Tensioner

When it comes to maintaining or upgrading your 2025 Subaru Outback, 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 Outback. 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 2025 Subaru Outback 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 Engine Cooling Hoses to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2025 Subaru Outback running smoothly and looking great.

Essential 2025 Subaru Outback Belt Tensioners

Dorman – Automatic Belt Tensioner (Tensioner Only) (Part No.419-382)

Automatic Belt Tensioner (Tensioner Only)

from

$139.99
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.999745A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$116.99
This Litens supplied tensioner is manufactured by the original equipment (O.E.) manufacturer. This part is specifically designed for Subaru 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. Our line is made up of over 900 ADTs, Pulleys, and OADs. 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:
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.
  • Heavy duty thermoplastic pulley construction
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
  • Install pin included for ease of installation
  • Installation instructions included
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Dayco – Serpentine Belt Tensioner: 1 Piece, Built To Outperform And Outlast OE Parts (Part No.89735)

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

from

$112.99
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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Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999615A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$106.99
This Litens belt tensioner is supplied by the original equipment (O.E.) tensioner supplier and meets all form, fit, and performance characteristics of the original equipment part . As with the original equipment part, this replacement tensioner meets all performance and life specifications of the O.E. part. This part was designed for Subaru Applications. The part features a premium chrome-silicon steel spring, internal damping, a 6203 ball bearing, and a thermo-plastic pulley molded to exacting specifications. 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 supplier of this application.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
  • A plastic pulley specifically molded with tight radial run out for reduced noise and longer life. Pulley specs: 70mm (OD) x 17mm (ID) x 25.5mm (Width)
  • 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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Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999593A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$104.99
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 2010-2013 Subaru Outback,Legacy with 2.5L. 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 thermoplastic pulley for long life
  • Installation instructions included
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Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999422A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$122.99
This Litens pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and is made of high strength steel for improved life and durability. This pulley conforms to original equipment material, tolerances, and specifications. This part fits 2008-2013 Subaru Tribeca, Legacy, Outback with 3.6L. 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 Original Equipment suppliers 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.
  • Installation instructions included
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Dayco – Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts (Part No.89701)

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

from

$83.99
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

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999217A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$123.99
This Litens belt tensioner is supplied by the original equipment tensioner supplier 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 Japan to meet Subaru’s specifications. The Litens replacement part maintains the heavy duty steel pulley, round spring technology and the specified internal damping 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.

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 Steel 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.
See More

Most Popular Belt Tensioner Assembly for 2025 Subaru Outbacks

Enhance your 2025 Subaru Outback with this popular Belt Tensioner Assembly we have in stock, for $116.99.

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999745A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$116.99
This Litens supplied tensioner is manufactured by the original equipment (O.E.) manufacturer. This part is specifically designed for Subaru 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. Our line is made up of over 900 ADTs, Pulleys, and OADs. 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:
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.
  • Heavy duty thermoplastic pulley construction
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
  • Install pin included for ease of installation
  • Installation instructions included
See More

FAQs for 2025 Subaru Outback Belt Tensioners

What’s the price range for 2025 Subaru Outback Belt Tensioners?

We currently have just one Belt Tensioners for the 2025 Subaru Outback in stock: Accessory Drive Belt Tensioner – Original Equipment Quality and it costs $116.99.

Does Advance Auto Parts sell Belt Tensioners for other Subaru Outback model years?

Yes, we carry Belt Tensioners for 19 model years of Subaru Outbacks between 2005 and 2024. The following model years are the most popular for Belt Tensioner purchases: 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, and 2011.

Does Advance Auto Parts sell Belt Tensioners for any other 2025 Subaru models?

Yes. We stock Belt Tensioners for 2 other popular 2025 Subaru models. Some of the most popular are 2025 BRZ Belt Tensioners, 2025 Forester Belt Tensioners, and 2025 Legacy Belt Tensioners.

What types of Belt Tensioners do you sell for my 2025 Subaru Outback?

We currently have just 1 Belt Tensioner in stock for a 2025 Subaru Outback, and as of 11/2/25, it is a Belt Tensioner Assembly.

Can I get help with 2025 Subaru Outback Belt Tensioner orders?

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

What is your return policy for Subaru Outback Belt Tensioners?

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