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GM Accessory Drive Belt Tensioner Assembly ACDelco 39371

PART#: 39371
ACDelco
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GM Accessory Drive Belt Tensioner Assembly ACDelco 39371
GM Accessory Drive Belt Tensioner Assembly ACDelco 39371
GM Accessory Drive Belt Tensioner Assembly ACDelco 39371
GM Accessory Drive Belt Tensioner Assembly ACDelco 39371
GM Accessory Drive Belt Tensioner Assembly ACDelco 39371
GM Accessory Drive Belt Tensioner Assembly ACDelco 39371
GM Accessory Drive Belt Tensioner Assembly ACDelco 39371
GM Accessory Drive Belt Tensioner Assembly ACDelco 39371

$68.95

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Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2020CadillacEscaladeBase6.2V8GAS
2020CadillacEscaladePremium Luxury6.2V8FLEX
2020CadillacEscaladeLuxury6.2V8GAS
2020CadillacEscaladePlatinum6.2V8GAS
2020CadillacEscaladeLuxury6.2V8FLEX
2020CadillacEscaladeBase6.2V8FLEX
2020CadillacEscaladePlatinum6.2V8FLEX
2020CadillacEscaladePremium Luxury6.2V8GAS
2020CadillacEscalade ESVLuxury6.2V8GAS
2020CadillacEscalade ESVLuxury6.2V8FLEX
2020CadillacEscalade ESVBase6.2V8FLEX
2020CadillacEscalade ESVPlatinum6.2V8FLEX
2020CadillacEscalade ESVPremium Luxury6.2V8FLEX
2020CadillacEscalade ESVBase6.2V8GAS
2020CadillacEscalade ESVPremium Luxury6.2V8GAS
2020CadillacEscalade ESVPlatinum6.2V8GAS
2020ChevroletSuburbanLS5.3V8FLEX
2020ChevroletSuburbanLS5.3V8GAS
2020ChevroletSuburbanPremier5.3V8FLEX
2020ChevroletSuburbanLT5.3V8FLEX
2020ChevroletSuburbanPremier6.2V8FLEX
2020ChevroletSuburbanPremier5.3V8GAS
2020ChevroletSuburbanPremier6.2V8GAS
2020ChevroletSuburbanLT5.3V8GAS
2020ChevroletTahoeLS5.3V8FLEX
2020ChevroletTahoePremier6.2V8FLEX
2020ChevroletTahoeSSV5.3V8FLEX
2020ChevroletTahoeLS5.3V8GAS
2020ChevroletTahoePremier5.3V8GAS
2020ChevroletTahoeLT5.3V8GAS
2020ChevroletTahoeLT5.3V8FLEX
2020ChevroletTahoePPV5.3V8FLEX
2020ChevroletTahoePremier5.3V8FLEX
2020ChevroletTahoePremier6.2V8GAS
2020GMCYukon XLDenali6.2V8GAS
2020GMCYukon XLSLE5.3V8FLEX
2020GMCYukon XLDenali6.2V8FLEX
2020GMCYukon XLSLT5.3V8FLEX
2020GMCYukon XLSLT6.2V8GAS
2020GMCYukon XLSLT6.2V8FLEX
2020GMCYukon XLSLE5.3V8GAS
2020GMCYukon XLSLT5.3V8GAS
2020GMCYukonSLE5.3V8FLEX
2020GMCYukonDenali6.2V8FLEX
2020GMCYukonSLT5.3V8FLEX
2020GMCYukonSLT6.2V8FLEX
2020GMCYukonSLT6.2V8GAS
2020GMCYukonDenali6.2V8GAS
2020GMCYukonSLE5.3V8GAS
2020GMCYukonSLT5.3V8GAS
2019CadillacEscalade ESVBase6.2V8GAS
2019CadillacEscalade ESVPlatinum6.2V8GAS
2019CadillacEscalade ESVBase6.2V8FLEX
2019CadillacEscalade ESVLuxury6.2V8GAS
2019CadillacEscalade ESVPlatinum6.2V8FLEX
2019CadillacEscalade ESVPremium Luxury6.2V8FLEX
2019CadillacEscalade ESVPremium Luxury6.2V8GAS
2019CadillacEscalade ESVLuxury6.2V8FLEX
2019CadillacEscaladeBase6.2V8GAS
2019CadillacEscaladeBase6.2V8FLEX
2019CadillacEscaladePlatinum6.2V8GAS
2019CadillacEscaladeLuxury6.2V8GAS
2019CadillacEscaladePremium Luxury6.2V8FLEX
2019CadillacEscaladePlatinum6.2V8FLEX
2019CadillacEscaladePremium Luxury6.2V8GAS
2019CadillacEscaladeLuxury6.2V8FLEX
2019ChevroletSuburbanLT5.3V8FLEX
2019ChevroletSuburbanPremier5.3V8FLEX
2019ChevroletSuburbanPremier6.2V8FLEX
2019ChevroletSuburbanLS5.3V8FLEX
2019ChevroletSuburbanPremier6.2V8GAS
2019ChevroletTahoeSSV5.3V8FLEX
2019ChevroletTahoePremier5.3V8FLEX
2019ChevroletTahoeLS5.3V8FLEX
2019ChevroletTahoeLS5.3V8GAS
2019ChevroletTahoePremier6.2V8GAS
2019ChevroletTahoePremier5.3V8GAS
2019ChevroletTahoePremier6.2V8FLEX
2019ChevroletTahoeLT5.3V8GAS
2019ChevroletTahoeLT5.3V8FLEX
2019ChevroletTahoePPV5.3V8FLEX
2019ChevroletSilverado 1500 LDCustom5.3V8GAS
2019ChevroletSilverado 1500 LDLT5.3V8GAS
2019ChevroletSilverado 1500 LDWT5.3V8GAS
2019ChevroletSilverado 1500 LDCustom5.3V8FLEX
2019ChevroletSilverado 1500 LDWT5.3V8FLEX
2019ChevroletSilverado 1500 LDLT5.3V8FLEX
2019GMCYukonSLT6.2V8FLEX
2019GMCYukonDenali6.2V8FLEX
2019GMCYukonSLT5.3V8FLEX
2019GMCYukonSLT6.2V8GAS
2019GMCYukonSLE5.3V8GAS
2019GMCYukonSLT5.3V8GAS
2019GMCYukonSLE5.3V8FLEX
2019GMCYukonDenali6.2V8GAS
2019GMCYukon XLSLT5.3V8FLEX
2019GMCYukon XLDenali6.2V8FLEX
2019GMCYukon XLSLT5.3V8GAS
2019GMCYukon XLSLE5.3V8FLEX
2019GMCYukon XLSLE5.3V8GAS
2019GMCYukon XLSLT6.2V8GAS
2019GMCYukon XLDenali6.2V8GAS
2019GMCSierra 1500 LimitedBase5.3V8FLEX
2019GMCSierra 1500 LimitedSLE5.3V8FLEX
2019GMCSierra 1500 LimitedBase5.3V8GAS
2019GMCSierra 1500 LimitedSLE5.3V8GAS
2018CadillacEscaladeLuxury6.2V8FLEX
2018CadillacEscaladeBase6.2V8FLEX
2018CadillacEscaladePremium Luxury6.2V8GAS
2018CadillacEscaladeLuxury6.2V8GAS
2018CadillacEscaladePlatinum6.2V8FLEX
2018CadillacEscaladeBase6.2V8GAS
2018CadillacEscaladePlatinum6.2V8GAS
2018CadillacEscaladePremium Luxury6.2V8FLEX
2018CadillacEscalade ESVBase6.2V8FLEX
2018CadillacEscalade ESVPlatinum6.2V8FLEX
2018CadillacEscalade ESVLuxury6.2V8GAS
2018CadillacEscalade ESVPremium Luxury6.2V8GAS
2018CadillacEscalade ESVLuxury6.2V8FLEX
2018CadillacEscalade ESVPremium Luxury6.2V8FLEX
2018CadillacEscalade ESVBase6.2V8GAS
2018CadillacEscalade ESVPlatinum6.2V8GAS
2018ChevroletSuburbanPremier5.3V8FLEX
2018ChevroletSuburbanPremier5.3V8GAS
2018ChevroletSuburbanLS5.3V8GAS
2018ChevroletSuburbanLT5.3V8FLEX
2018ChevroletSuburbanLT5.3V8GAS
2018ChevroletSuburbanLS5.3V8FLEX
2018ChevroletTahoeSSV5.3V8FLEX
2018ChevroletTahoeLS5.3V8FLEX
2018ChevroletTahoePremier6.2V8FLEX
2018ChevroletTahoePremier5.3V8GAS
2018ChevroletTahoeLS5.3V8GAS
2018ChevroletTahoeLT5.3V8FLEX
2018ChevroletTahoePremier5.3V8FLEX
2018ChevroletTahoeLT5.3V8GAS
2018ChevroletTahoePPV5.3V8FLEX
2018ChevroletTahoePremier6.2V8GAS
2018ChevroletSilverado 1500Custom5.3V8GAS
2018ChevroletSilverado 1500WT5.3V8GAS
2018ChevroletSilverado 1500SSV5.3V8FLEX
2018ChevroletSilverado 1500High Country6.2V8GAS
2018ChevroletSilverado 1500LS5.3V8FLEX
2018ChevroletSilverado 1500Custom5.3V8FLEX
2018ChevroletSilverado 1500LT5.3V8FLEX
2018ChevroletSilverado 1500High Country5.3V8FLEX
2018ChevroletSilverado 1500LS5.3V8GAS
2018ChevroletSilverado 1500LS4.3V6FLEX
2018ChevroletSilverado 1500LT5.3V8GAS
2018ChevroletSilverado 1500Custom4.3V6FLEX
2018ChevroletSilverado 1500WT4.3V6FLEX
2018ChevroletSilverado 1500LT4.3V6FLEX
2018ChevroletSilverado 1500LTZ5.3V8FLEX
2018ChevroletSilverado 1500High Country5.3V8GAS
2018ChevroletSilverado 1500SSV5.3V8GAS
2018ChevroletSilverado 1500LTZ6.2V8GAS
2018ChevroletSilverado 1500WT5.3V8FLEX
2018ChevroletSilverado 1500LTZ5.3V8GAS
2018GMCYukonSLT5.3V8FLEX
2018GMCYukonSLT5.3V8GAS
2018GMCYukonSLE5.3V8FLEX
2018GMCYukonDenali6.2V8FLEX
2018GMCYukonSLE5.3V8GAS
2018GMCYukonDenali6.2V8GAS
2018GMCYukon XLDenali6.2V8FLEX
2018GMCYukon XLSLT5.3V8GAS
2018GMCYukon XLSLE5.3V8GAS
2018GMCYukon XLSLE5.3V8FLEX
2018GMCYukon XLDenali6.2V8GAS
2018GMCYukon XLSLT5.3V8FLEX
2018GMCSierra 1500SLT5.3V8FLEX
2018GMCSierra 1500SLE5.3V8FLEX
2018GMCSierra 1500SLT6.2V8GAS
2018GMCSierra 1500SLE4.3V6FLEX
2018GMCSierra 1500Base5.3V8FLEX
2018GMCSierra 1500Denali5.3V8GAS
2018GMCSierra 1500SLT5.3V8MILD HYBRID EV-GAS (MHEV)
2018GMCSierra 1500Base5.3V8GAS
2018GMCSierra 1500SLT5.3V8GAS
2018GMCSierra 1500SLE5.3V8GAS
2018GMCSierra 1500Denali5.3V8FLEX
2018GMCSierra 1500Base4.3V6FLEX
2018GMCSierra 1500Denali6.2V8GAS
2017CadillacEscaladeBase6.2V8FLEX
2017CadillacEscaladePlatinum6.2V8FLEX
2017CadillacEscaladePremium Luxury6.2V8FLEX
2017CadillacEscaladePremium Luxury6.2V8GAS
2017CadillacEscaladeLuxury6.2V8GAS
2017CadillacEscaladeBase6.2V8GAS
2017CadillacEscaladePlatinum6.2V8GAS
2017CadillacEscaladeLuxury6.2V8FLEX
2017CadillacEscalade ESVBase6.2V8GAS
2017CadillacEscalade ESVPlatinum6.2V8GAS
2017CadillacEscalade ESVLuxury6.2V8FLEX
2017CadillacEscalade ESVPremium Luxury6.2V8GAS
2017CadillacEscalade ESVLuxury6.2V8GAS
2017CadillacEscalade ESVBase6.2V8FLEX
2017CadillacEscalade ESVPlatinum6.2V8FLEX
2017CadillacEscalade ESVPremium Luxury6.2V8FLEX
2017ChevroletSuburbanLS5.3V8FLEX
2017ChevroletSuburbanPremier5.3V8GAS
2017ChevroletSuburbanLT5.3V8FLEX
2017ChevroletSuburbanLS5.3V8GAS
2017ChevroletSuburbanLT5.3V8GAS
2017ChevroletSuburbanPremier5.3V8FLEX
2017ChevroletTahoeSSV5.3V8FLEX
2017ChevroletTahoePremier5.3V8FLEX
2017ChevroletTahoeLS5.3V8FLEX
2017ChevroletTahoePremier5.3V8GAS
2017ChevroletTahoeLS5.3V8GAS
2017ChevroletTahoeLT5.3V8FLEX
2017ChevroletTahoeLT5.3V8GAS
2017ChevroletTahoePPV5.3V8FLEX
2017ChevroletSilverado 1500LS5.3V8FLEX
2017ChevroletSilverado 1500Custom5.3V8FLEX
2017ChevroletSilverado 1500LT5.3V8FLEX
2017ChevroletSilverado 1500High Country5.3V8FLEX
2017ChevroletSilverado 1500High Country6.2V8GAS
2017ChevroletSilverado 1500WT5.3V8GAS
2017ChevroletSilverado 1500LS5.3V8GAS
2017ChevroletSilverado 1500WT5.3V8FLEX
2017ChevroletSilverado 1500Custom5.3V8GAS
2017ChevroletSilverado 1500LTZ5.3V8GAS
2017ChevroletSilverado 1500LS4.3V6FLEX
2017ChevroletSilverado 1500LT5.3V8GAS
2017ChevroletSilverado 1500Custom4.3V6FLEX
2017ChevroletSilverado 1500WT4.3V6FLEX
2017ChevroletSilverado 1500LT4.3V6FLEX
2017ChevroletSilverado 1500SSV5.3V8FLEX
2017ChevroletSilverado 1500LTZ6.2V8GAS
2017ChevroletSilverado 1500High Country5.3V8GAS
2017ChevroletSilverado 1500SSV5.3V8GAS
2017GMCYukonSLE5.3V8GAS
2017GMCYukonSLT5.3V8FLEX
2017GMCYukonSLT5.3V8GAS
2017GMCYukonSLE5.3V8FLEX
2017GMCYukonDenali6.2V8GAS
2017GMCYukonDenali6.2V8FLEX
2017GMCYukon XLSLT5.3V8FLEX
2017GMCYukon XLDenali6.2V8FLEX
2017GMCYukon XLSLE5.3V8GAS
2017GMCYukon XLSLE5.3V8FLEX
2017GMCYukon XLSLT5.3V8GAS
2017GMCYukon XLDenali6.2V8GAS
2017GMCSierra 1500SLE5.3V8FLEX
2017GMCSierra 1500Base5.3V8FLEX
2017GMCSierra 1500Base4.3V6FLEX
2017GMCSierra 1500SLE4.3V6FLEX
2017GMCSierra 1500SLE5.3V8GAS
2017GMCSierra 1500Base5.3V8GAS
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
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
MaterialAluminum Steel
Mount Hole Quantity1
Outside Diameter2.756
Outside Diameter70
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
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:
Width1.22
Width31
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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