AM Autoparts
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Part Number: AM-509903289

Attention California Customers:

proposition 65 iconWARNING:  This product can expose you to chemicals including Lead and Lead Compounds, which are known to the State of California to cause cancer, and birth defects or other reproductive harm.  For more information, go to www.P65Warnings.ca.gov.

10 Year Warranty

This item is backed by our 10-year warranty. In the event this item should fail due to manufacturing defects during intended use, we will replace the part free of charge. This warranty covers the cost of the part only.

Please note: Any modifications to an item of any kind before contacting us will void any and all warranty coverage for this item. Please contact us before modifying the part so that we have the opportunity to correct the situation.


Vehicle Fit

  • 2009-2012 Cadillac Escalade Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2013 Cadillac Escalade V8 6.0L Serpentine Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2013 Cadillac Escalade V8 6.2L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2014 Cadillac Escalade Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2014 Cadillac Escalade ESV Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2013 Cadillac Escalade EXT Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2013 Chevrolet Avalanche Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2012 Chevrolet Colorado V8 5.3L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2014 Chevrolet Express 1500 Van V8 5.3L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2020 Chevrolet Express 2500 Van V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2017 Chevrolet Express 2500 Van V8 4.8L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2017 Chevrolet Express 3500 Van V8 4.8L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2020 Chevrolet Express 3500 Van V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2010-2016 Chevrolet Express 4500 V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2017-2020 Chevrolet Express 4500 Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2016-2017 Chevrolet LCF 3500 Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2016-2019 Chevrolet LCF 4500 Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2020 Chevrolet LCF 4500 V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2013 Chevrolet Silverado 1500 V8 6.2L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2013 Chevrolet Silverado 1500 V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2013 Chevrolet Silverado 1500 V8 5.3L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2013 Chevrolet Silverado 1500 V8 4.8L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2019 Chevrolet Silverado 2500 HD V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2019 Chevrolet Silverado 3500 HD V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2019 Chevrolet Suburban V8 5.3L Gas Engine Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2014 Chevrolet Suburban 1500 Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2013 Chevrolet Suburban 2500 Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2016-2019 Chevrolet Suburban 3500 HD Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2014 Chevrolet Tahoe Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2008-2009 Chevrolet W3500 Tiltmaster V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009 Chevrolet W4500 Tiltmaster V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2013-2017 Freightliner MT45 V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2011-2014 Freightliner MT55 V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2012 GMC Canyon V8 5.3L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2014 GMC Savana 1500 Van V8 5.3L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2020 GMC Savana 2500 Van V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2017 GMC Savana 2500 Van V8 4.8L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2020 GMC Savana 3500 Van V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2017 GMC Savana 3500 Van V8 4.8L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2011-2016 GMC Savana 4500 V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2017 GMC Savana 4500 Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2013 GMC Sierra 1500 V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2013 GMC Sierra 1500 V8 5.3L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2013 GMC Sierra 1500 V8 4.8L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2013 GMC Sierra 1500 V8 6.2L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2019 GMC Sierra 2500 HD V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2019 GMC Sierra 3500 HD V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2008 GMC W3500 Forward V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2008-2009 GMC W4500 Forward V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2014 GMC Yukon Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2014 GMC Yukon XL 1500 Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2013 GMC Yukon XL 2500 Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009 Hummer H2 Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2010 Hummer H3 V8 5.3L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2010 Hummer H3T V8 5.3L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2008 Isuzu NP-R V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009 Isuzu NP-R V8 6.0L Fan, Alternator & Power Steering Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2012-2018 Isuzu NP-R V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2014 Isuzu NP-R V8 6.0L Fan, Alternator & Power Steering Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2008 Isuzu NPR-HD V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009 Isuzu NPR-HD V8 6.0L Fan, Alternator & Power Steering Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2012-2020 Isuzu NPR-HD V8 6.0L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2014 Isuzu NPR-HD V8 6.0L Fan, Alternator & Power Steering Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2020 Isuzu NPR-HD V8 6.6L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2009-2010 Workhorse W42 Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2011 Workhorse W62 Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2010 Workhorse Custom Chassis W42 V8 4.8L Accessory Drive Belt Tensioner AM Autoparts AM-509903289
  • 2011-2012 Workhorse Custom Chassis W62 Accessory Drive Belt Tensioner AM Autoparts AM-509903289

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