2025 Lexus IS300 Belt Tensioners

Keep Your 2025 Lexus IS300 in Top Shape with a Quality Belt Tensioner

When it comes to maintaining or upgrading your 2025 Lexus IS300, 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 IS300. 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 Lexus IS300 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 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 2025 Lexus IS300 running smoothly and looking great.

Essential 2025 Lexus IS300 Belt Tensioners

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999665A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$218.99
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 is manufactured in Japan for Lexus w/2.0L applications. This tensioner comes equipped with a heavy duty steel pulley with a premium level ball bearing for optimum performance and durability. The integrated damping system and enhanced corrosion resistant pivot system provide maintenance free tensioner motion control and alignment. 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.
  • Heavy Duty Steel Pulley
  • Includes lift-lug feature for ease of installation on back of tensioner arm.
  • 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.999191A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$258.99
Litens was the Original Equipment (O.E.) supplier of this Toyota/Lexus 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 Litens aftermarket part has a silver versus black face- plate as well as an integrated pulley bolt/washer. 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 with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
  • 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.
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Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999347A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$377.99
Litens Automotive was one of two Original Equipment (O.E.) supplier of this part and offers this “O.E. Exact”* part for the aftermarket. This popular tensioner designed for Toyota Lexus vehicles, looks, fits, and performs like the original part being replaced. “O.E. Exact” – Original Equipment manufacturers prohibits the use of their part number or logo on parts sold to other customers. Therefore, the Litens aftermarket part may have minor cosmetic differences but still be exact in performance and design. Like the original design, this tensioner maintains a steel pulley as well as a belt wear indicator on the tensioner base. This tensioner is designed with a feature that holds the tensioner open during belt installation and removal. Choosing The Correct Replacement Part: The aftermarket part maintains the O.E. specified round steel spring, polished steel pulley and integrated bracketry for ease of installation. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by the original equipment part supplier to ensure proper form, fit, and performance.
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
  • Installation instructions included.
  • Heavy Duty Steel Pulley
  • Professional Mechanics will change this tensioner in 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.
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INA US – ACC DRV BELT TNS ASY (Part No.FT40263)

ACC DRV BELT TNS ASY

from

$159.99
ACC DRV BELT TNS ASY

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999662A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$258.99
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 is manufactured in Japan for Lexus w/3.5L applications. This tensioner comes equipped with a heavy duty steel pulley with a 6203 bearing for optimum performance and durability. 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.
  • Heavy Duty Steel Pulley
  • Includes lift-lug feature for ease of installation on back of tensioner arm.
  • Installation Pin Included to Assist in Installation.
  • Installation instructions included.
  • 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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Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999454A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$492.99
Litens is proud to offer this Toyota/Lexus tensioner produced by the Original Equipment (O.E.) supplier in Japan. 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 design includes a heavy-duty silver steel pulley, round spring tensioning technology, and a close-tolerance mounting base. This drive is sensitive to belt mis-alignment and caution should be taken when choosing a replacement tensioner. This drive also incorporates the Litens alternator decoupler pulley #920954 for tension and torsional control. Consider replacing this pulley when replacing the tensioner. 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 Bando – one of 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 a little over an 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.
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Most Popular Belt Tensioner Assembly for 2025 Lexus IS300s

Enhance your 2025 Lexus IS300 with this popular Belt Tensioner Assembly we have in stock, for $218.99.

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999665A)

Accessory Drive Belt Tensioner - Original Equipment Quality

from

$218.99
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 is manufactured in Japan for Lexus w/2.0L applications. This tensioner comes equipped with a heavy duty steel pulley with a premium level ball bearing for optimum performance and durability. The integrated damping system and enhanced corrosion resistant pivot system provide maintenance free tensioner motion control and alignment. 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.
  • Heavy Duty Steel Pulley
  • Includes lift-lug feature for ease of installation on back of tensioner arm.
  • Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
  • Belt removal is required to change the tensioner. Therefore, doing both together will extend accessory drive life and lower overall labor versus performing these services separately.
  • Installation instructions included.
See More

FAQs for 2025 Lexus IS300 Belt Tensioners

What’s the price range for 2025 Lexus IS300 Belt Tensioners?

We currently have just one Belt Tensioners for the 2025 Lexus IS300 in stock: Accessory Drive Belt Tensioner – Original Equipment Quality and it costs $218.99.

Does Advance Auto Parts sell Belt Tensioners for other Lexus IS300 model years?

Yes, we carry Belt Tensioners for 13 model years of Lexus IS300s between 2001 and 2024. The following model years are the most popular for Belt Tensioner purchases: 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2005, and 2004.

What types of Belt Tensioners do you sell for my 2025 Lexus IS300?

We currently have just 1 Belt Tensioner in stock for a 2025 Lexus IS300, and as of 11/2/25, it is a Belt Tensioner Assembly.

Can I get help with 2025 Lexus IS300 Belt Tensioner orders?

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

What is your return policy for Lexus IS300 Belt Tensioners?

Advance Auto Parts keeps returns simple. For new Lexus IS300 Belt Tensioners and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.