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Please, add your first item to the wishlist

Select vehicle to confirm fitment

Accessory Drive Belt Tensioner Assembly

PART#: 39185
ACDelco

$70.95

In stock

Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2023LexusGX460Premium4.6V8GAS
2023LexusGX460Luxury4.6V8GAS
2023LexusGX460Black Line Edition4.6V8GAS
2023LexusGX460Base4.6V8GAS
2022LexusGX460Premium4.6V8GAS
2022LexusGX460Base4.6V8GAS
2022LexusGX460Luxury4.6V8GAS
2022ToyotaSequoiaTRD Sport5.7V8GAS
2022ToyotaSequoiaLimited5.7V8GAS
2022ToyotaSequoiaSR55.7V8GAS
2022ToyotaSequoiaPlatinum5.7V8GAS
2022ToyotaSequoiaTRD Pro5.7V8GAS
2022ToyotaSequoiaNightshade5.7V8GAS
2021LexusLX570Base5.7V8GAS
2021LexusGX460Base4.6V8GAS
2021LexusGX460Premium4.6V8GAS
2021LexusGX460Luxury4.6V8GAS
2021ToyotaSequoiaPlatinum5.7V8GAS
2021ToyotaSequoiaTRD Sport5.7V8GAS
2021ToyotaSequoiaSR55.7V8GAS
2021ToyotaSequoiaTRD Pro5.7V8GAS
2021ToyotaSequoiaNightshade5.7V8GAS
2021ToyotaSequoiaLimited5.7V8GAS
2021ToyotaTundraLimited5.7V8GAS
2021ToyotaTundraSR5.7V8GAS
2021ToyotaTundraPlatinum5.7V8GAS
2021ToyotaTundraSR55.7V8GAS
2021ToyotaTundra1794 Edition5.7V8GAS
2021ToyotaTundraTrail5.7V8GAS
2021ToyotaTundraTRD Pro5.7V8GAS
2021ToyotaTundraNightshade5.7V8GAS
2021ToyotaLand CruiserHeritage Edition5.7V8GAS
2021ToyotaLand CruiserBase5.7V8GAS
2020LexusGX460Base4.6V8GAS
2020LexusGX460Luxury4.6V8GAS
2020LexusGX460Premium4.6V8GAS
2020LexusLX570Base5.7V8GAS
2020ToyotaTundraTRD Pro5.7V8GAS
2020ToyotaTundraLimited5.7V8GAS
2020ToyotaTundraPlatinum5.7V8GAS
2020ToyotaTundra1794 Edition5.7V8GAS
2020ToyotaTundraSR5.7V8GAS
2020ToyotaTundraSR55.7V8GAS
2020ToyotaSequoiaPlatinum5.7V8GAS
2020ToyotaSequoiaSR55.7V8GAS
2020ToyotaSequoiaTRD Sport5.7V8GAS
2020ToyotaSequoiaTRD Pro5.7V8GAS
2020ToyotaSequoiaLimited5.7V8GAS
2020ToyotaLand CruiserBase5.7V8GAS
2020ToyotaLand CruiserHeritage Edition5.7V8GAS
2019LexusLX570Base5.7V8GAS
2019LexusGX460Base4.6V8GAS
2019LexusGX460Premium4.6V8GAS
2019LexusGX460Luxury4.6V8GAS
2019ToyotaTundraPlatinum5.7V8GAS
2019ToyotaTundraSR55.7V8GAS
2019ToyotaTundra1794 Edition5.7V8GAS
2019ToyotaTundraLimited5.7V8GAS
2019ToyotaTundraSR5.7V8GAS
2019ToyotaTundraSR55.7V8FLEX
2019ToyotaTundraTRD Pro5.7V8GAS
2019ToyotaTundraSR4.6V8GAS
2019ToyotaTundraSR54.6V8GAS
2019ToyotaSequoiaTRD Sport5.7V8GAS
2019ToyotaSequoiaLimited5.7V8GAS
2019ToyotaSequoiaPlatinum5.7V8GAS
2019ToyotaSequoiaSR55.7V8GAS
2019ToyotaLand CruiserBase5.7V8GAS
2018LexusGX460Premium4.6V8GAS
2018LexusGX460Base4.6V8GAS
2018LexusGX460Luxury4.6V8GAS
2018LexusLX570Base5.7V8GAS
2018ToyotaSequoiaLimited5.7V8FLEX
2018ToyotaSequoiaTRD Sport5.7V8GAS
2018ToyotaSequoiaSR55.7V8FLEX
2018ToyotaSequoiaLimited5.7V8GAS
2018ToyotaSequoiaPlatinum5.7V8GAS
2018ToyotaSequoiaTRD Sport5.7V8FLEX
2018ToyotaSequoiaSR55.7V8GAS
2018ToyotaSequoiaPlatinum5.7V8FLEX
2018ToyotaTundra1794 Edition5.7V8GAS
2018ToyotaTundraLimited5.7V8FLEX
2018ToyotaTundraSR4.6V8GAS
2018ToyotaTundraSR54.6V8GAS
2018ToyotaTundraPlatinum5.7V8GAS
2018ToyotaTundraSR5.7V8FLEX
2018ToyotaTundraSR55.7V8FLEX
2018ToyotaTundraSR55.7V8GAS
2018ToyotaTundraPlatinum5.7V8FLEX
2018ToyotaTundraLimited5.7V8GAS
2018ToyotaTundra1794 Edition5.7V8FLEX
2018ToyotaTundraSR5.7V8GAS
2018ToyotaLand CruiserBase5.7V8GAS
2017LexusGX460Base4.6V8GAS
2017LexusGX460Premium4.6V8GAS
2017LexusGX460Luxury4.6V8GAS
2017LexusLX570Base5.7V8GAS
2017ToyotaLand CruiserBase5.7V8GAS
2017ToyotaTundraSR54.6V8GAS
2017ToyotaTundraSR55.7V8FLEX
2017ToyotaTundraTRD Pro5.7V8GAS
2017ToyotaTundraLimited5.7V8GAS
2017ToyotaTundraLimited5.7V8FLEX
2017ToyotaTundraPlatinum5.7V8GAS
2017ToyotaTundraPlatinum5.7V8FLEX
2017ToyotaTundra1794 Edition5.7V8GAS
2017ToyotaTundraSR4.6V8GAS
2017ToyotaTundra1794 Edition5.7V8FLEX
2017ToyotaTundraTRD Pro5.7V8FLEX
2017ToyotaTundraSR5.7V8FLEX
2017ToyotaTundraSR5.7V8GAS
2017ToyotaTundraSR55.7V8GAS
2017ToyotaSequoiaLimited5.7V8FLEX
2017ToyotaSequoiaSR55.7V8FLEX
2017ToyotaSequoiaPlatinum5.7V8FLEX
2017ToyotaSequoiaLimited5.7V8GAS
2017ToyotaSequoiaPlatinum5.7V8GAS
2017ToyotaSequoiaSR55.7V8GAS
2016LexusGX460Base4.6V8GAS
2016LexusGX460Premium4.6V8GAS
2016LexusGX460Luxury4.6V8GAS
2016LexusLX570Base5.7V8GAS
2016ToyotaSequoiaSR55.7V8FLEX
2016ToyotaSequoiaSR55.7V8GAS
2016ToyotaSequoiaLimited5.7V8GAS
2016ToyotaSequoiaLimited5.7V8FLEX
2016ToyotaSequoiaPlatinum5.7V8FLEX
2016ToyotaSequoiaPlatinum5.7V8GAS
2016ToyotaTundraSR55.7V8FLEX
2016ToyotaTundraSR4.6V8GAS
2016ToyotaTundra1794 Edition5.7V8GAS
2016ToyotaTundraTRD Pro5.7V8GAS
2016ToyotaTundraPlatinum5.7V8GAS
2016ToyotaTundraLimited5.7V8FLEX
2016ToyotaTundraTRD Pro5.7V8FLEX
2016ToyotaTundraSR5.7V8FLEX
2016ToyotaTundraSR54.6V8GAS
2016ToyotaTundraPlatinum5.7V8FLEX
2016ToyotaTundraLimited5.7V8GAS
2016ToyotaTundra1794 Edition5.7V8FLEX
2016ToyotaTundraSR55.7V8GAS
2016ToyotaTundraSR5.7V8GAS
2016ToyotaLand CruiserBase5.7V8GAS
2015LexusLX570Base5.7V8GAS
2015LexusGX460Base4.6V8GAS
2015LexusGX460Premium4.6V8GAS
2015LexusGX460Luxury4.6V8GAS
2015ToyotaLand CruiserBase5.7V8GAS
2015ToyotaSequoiaSR55.7V8FLEX
2015ToyotaSequoiaLimited5.7V8GAS
2015ToyotaSequoiaLimited5.7V8FLEX
2015ToyotaSequoiaPlatinum5.7V8FLEX
2015ToyotaSequoiaPlatinum5.7V8GAS
2015ToyotaSequoiaSR55.7V8GAS
2015ToyotaTundraSR55.7V8FLEX
2015ToyotaTundraTRD Pro5.7V8GAS
2015ToyotaTundraLimited5.7V8GAS
2015ToyotaTundraPlatinum5.7V8GAS
2015ToyotaTundraLimited5.7V8FLEX
2015ToyotaTundraPlatinum5.7V8FLEX
2015ToyotaTundra1794 Edition5.7V8GAS
2015ToyotaTundraSR4.6V8GAS
2015ToyotaTundraSR5.7V8FLEX
2015ToyotaTundra1794 Edition5.7V8FLEX
2015ToyotaTundraTRD Pro5.7V8FLEX
2015ToyotaTundraSR5.7V8GAS
2015ToyotaTundraSR55.7V8GAS
2015ToyotaTundraSR54.6V8GAS
2014LexusGX460Base4.6V8GAS
2014LexusGX460Premium4.6V8GAS
2014LexusGX460Luxury4.6V8GAS
2014LexusLX570Base5.7V8GAS
2014ToyotaTundraSR55.7V8FLEX
2014ToyotaTundraLimited5.7V8FLEX
2014ToyotaTundraPlatinum5.7V8GAS
2014ToyotaTundraSR4.6V8GAS
2014ToyotaTundra1794 Edition5.7V8GAS
2014ToyotaTundraSR5.7V8FLEX
2014ToyotaTundraSR55.7V8GAS
2014ToyotaTundraSR54.6V8GAS
2014ToyotaTundra1794 Edition5.7V8FLEX
2014ToyotaTundraLimited5.7V8GAS
2014ToyotaTundraPlatinum5.7V8FLEX
2014ToyotaTundraSR5.7V8GAS
2014ToyotaLand CruiserBase5.7V8GAS
2014ToyotaSequoiaPlatinum5.7V8GAS
2014ToyotaSequoiaPlatinum5.7V8FLEX
2014ToyotaSequoiaLimited5.7V8FLEX
2014ToyotaSequoiaSR55.7V8FLEX
2014ToyotaSequoiaLimited5.7V8GAS
2014ToyotaSequoiaSR55.7V8GAS
2013LexusLX570Base5.7V8GAS
2013LexusGX460Premium4.6V8GAS
2013LexusGX460Base4.6V8GAS
2013ToyotaLand CruiserBase5.7V8GAS
2013ToyotaTundraBase4.6V8GAS
2013ToyotaTundraBase5.7V8FLEX
2013ToyotaTundraLimited5.7V8GAS
2013ToyotaTundraPlatinum5.7V8FLEX
2013ToyotaTundraLimited5.7V8FLEX
2013ToyotaTundraBase5.7V8GAS
2013ToyotaTundraPlatinum5.7V8GAS
2013ToyotaSequoiaSR55.7V8FLEX
2013ToyotaSequoiaLimited5.7V8GAS
2013ToyotaSequoiaLimited5.7V8FLEX
2013ToyotaSequoiaPlatinum5.7V8GAS
2013ToyotaSequoiaSR55.7V8GAS
2013ToyotaSequoiaPlatinum5.7V8FLEX
2012LexusGX460Premium4.6V8GAS
2012LexusGX460Base4.6V8GAS
2012ToyotaSequoiaLimited5.7V8FLEX
2012ToyotaSequoiaSR54.6V8GAS
2012ToyotaSequoiaLimited5.7V8GAS
2012ToyotaSequoiaSR55.7V8FLEX
2012ToyotaSequoiaPlatinum5.7V8GAS
2012ToyotaSequoiaSR55.7V8GAS
2012ToyotaSequoiaPlatinum5.7V8FLEX
2012ToyotaTundraLimited5.7V8GAS
2012ToyotaTundraLimited5.7V8FLEX
2012ToyotaTundraBase4.6V8GAS
2012ToyotaTundraBase5.7V8FLEX
2012ToyotaTundraBase5.7V8GAS
2012ToyotaTundraPlatinum5.7V8FLEX
2012ToyotaTundraPlatinum5.7V8GAS
2011LexusGX460Base4.6V8GAS
2011LexusGX460Premium4.6V8GAS
2011LexusLX570Base5.7V8GAS
2011ToyotaLand CruiserBase5.7V8GAS
2011ToyotaSequoiaPlatinum5.7V8FLEX
2011ToyotaSequoiaSR55.7V8FLEX
2011ToyotaSequoiaLimited5.7V8GAS
2011ToyotaSequoiaPlatinum5.7V8GAS
2011ToyotaSequoiaLimited5.7V8FLEX
2011ToyotaSequoiaSR55.7V8GAS
2011ToyotaSequoiaSR54.6V8GAS
2011ToyotaTundraBase5.7V8GAS
2011ToyotaTundraPlatinum5.7V8GAS
2011ToyotaTundraLimited5.7V8GAS
2011ToyotaTundraSR55.7V8GAS
2011ToyotaTundraBase4.6V8GAS
2011ToyotaTundraSR54.6V8GAS
2011ToyotaTundraLimited5.7V8FLEX
2011ToyotaTundraBase5.7V8FLEX
2011ToyotaTundraSR55.7V8FLEX
2011ToyotaTundraPlatinum5.7V8FLEX
2010LexusLX570Base5.7V8GAS
2010LexusGX460Base4.6V8GAS
2010LexusGX460Premium4.6V8GAS
2010ToyotaSequoiaSR54.6V8GAS
2010ToyotaSequoiaLimited5.7V8FLEX
About ACDelco

When it comes to top-notch auto parts, one brand that stands tall is ACDelco. Popular for its commitment to quality and innovation, ACDelco has been a trusted name in the automotive industry. At Newparts.com, we're proud to offer a wide selection of ACDelco auto parts, including ACDelco spark plugs, ACDelco alternators, and ACDelco air filters, and other ACDelco parts, all at discounted prices.

ACDelco spark plugs are engineered to deliver exceptional performance and reliability, ensuring optimal engine operation and fuel efficiency. Whether you're cruising down the highway or navigating city streets, you can trust ACDelco spark plugs to keep your engine firing on all cylinders.

When it comes to power generation, ACDelco alternators are second to none. Designed to withstand the challenges of daily driving, ACDelco alternators deliver consistent power output to keep your vehicle's electrical systems running smoothly. With ACDelco alternators from Newparts.com, you can count on reliable performance mile after mile.

In addition to spark plugs and alternators, we also offer a range of ACDelco air filters to help keep your engine breathing clean, fresh air. ACDelco air filters are designed to trap dirt, dust, and other contaminants, preventing them from entering your engine and causing damage. With a high-quality ACDelco air filter from Newparts.com, you can enjoy improved engine performance and extended engine life.

At Newparts.com, we understand that getting the right parts quickly is essential. That's why we offer fast shipping on all ACDelco auto parts, so you can get back on the road with confidence. Plus, with our discounted prices, you can save big on the parts you need to keep your vehicle running smoothly. In case you want to purchase parts by phone, feel free to call us at 855-505-2886 and our customer service team will help you out. 

Whether you're in need of spark plugs, alternators, air filters, or any other ACDelco auto parts, Newparts.com has you covered. Shop our selection today and experience the quality and reliability of ACDelco for yourself.

Specifications
Belt TypeSerpentine
ColorAluminum w/ Black Pulley
FAQ - Answer 1Yes, always consult the Vehicle Owner's manual or an expert technician before making any repairs or adjustments.
FAQ - Answer 2Yes, if too tight damage to other drive components may occur.
FAQ - Answer 3It is best to replace the tensioner assembly if a problem occurs.
FAQ - Question 1Should the Vehicle Owner's manual or an expert technician be consulted before making any repairs or adjustments?
FAQ - Question 2Can a drive belt be too tight?
FAQ - Question 3Can I just replace the tensioner pulley if needed?
Features & Benefits - Bullet 1Designed to keep drive belt at proper tension
Features & Benefits - Bullet 2Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Features & Benefits - Bullet 3Premium aftermarket replacement part
Features & Benefits - Bullet 4Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
Good Maintenance Practices - Section 1 - Bullet 1Before purchasing and installing a 90 degree molded accessory drive belt tensioner assembly, make sure it is the correct fit for your vehicle
Good Maintenance Practices - Section 1 - Bullet 2Be sure to have replacement tensioner properly aligned to the other drive component pulleys
Good Maintenance Practices - Section 1 - Bullet 3Regularly check drive belt tension
Good Maintenance Practices - Section 1 - Bullet 4Regularly inspect the 90 degree molded accessory drive belt tensioner assemblies for signs of damage or wear, and replace them if signs of damage are found
MaterialSteel
Mount Hole Quantity2
Product DescriptionACDelco Gold (Professional) 90 Degree Molded Accessory Drive Belt Tensioner Assemblies are the high quality alternative to Original Equipment (OE) parts. These 90 degree molded belt tensioner assemblies are very important in optimal operation of the accessory belt drive system. The tensioner maintains the correct amount of tension on the belt throughout operation. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov
Programming RequiredNo
Pulley Center Bore Diameter (in)0.669in
Pulley Center Bore Diameter (mm)17.00mm
Pulley Outside Diameter (in)3.0
Pulley Width1.457
Pulley Width (mm)37.00mm
Signs of Wear & Troubleshooting - Section 1 - Bullet 1Tensioner pulley worn or cracked
Signs of Wear & Troubleshooting - Section 1 - Bullet 2Drive belt squeals
Signs of Wear & Troubleshooting - Section 1 - Bullet 3Tensioner misalignment
Signs of Wear & Troubleshooting - Section 1 - HeaderSigns of wear for a 90 degree molded accessory drive belt tensioner assembly include but are not limited to:
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns

Delivery Info

Newparts.com is your go to store for all parts and accessories at the best price and delivered quickly. Every order we ship receives a tracking number so that you can watch it all the way until it reaches your door. We only ship using the major shipping carriers like FedEx, UPS and USPS to ensure quick and safe delivery of your new car parts order.

Returns Info

Newparts.com offers a thirty (30) day return for refund for all items purchased through Newparts.com. To qualify for return and refund, all items must be new and in their original manufacturers box. To initiate a return, please contact our customer service. This information is only a summary. Complete shipping and return policy information can be found in our web site policies.

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