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The Gates DriveAlign automatic belt tensioner fits 2002–2009 GMC Envoy and 2006–2010 Hummer H3 applications and provides automatic accessory belt tensioning for proper belt alignment and operation. This OE‑style tensioner is intended to maintain correct belt tension to support accessory drive reliability and reduce the need for manual adjustment, offering a direct replacement solution where DriveAlign technology is specified for those vehicle models.
Gates 02-09 GMC Envoy / 06-10 Hummer H3 DriveAlign Automatic Belt Tensioner
