Exclusive Automatic True-Tension™ (ATT) technology to ensure the exact pre-determined tension ensuring constant alignment, no belt slip and less wear, Core made of corrostion resistant ADC12 aluminium alloy for stronger and more durable main shaft, Tandem ball bearing provides extended tensioner durability while MolyPro™ grease absorb heat, minimize wear and reduce friction, Reinforced Pivot Shaft for added durability and electroless nickel-plated for extended life, Round-Wire spring made of profesionnal grade chrome-silicone steel with a non-binding design to maintains constant tension, Pivot and Labyrinth seals are made with ProSeal™ Nitrile Rubber (NBR) to prevents dirt and grime from reaching internal components, 3D-scanned pulley to ensure an immaculate running surface without any defects, Our pulley and tensioner follow OE-Spec to ensure an easy and worry-free installation, Part Reference Numbers : 580167 T36177 49165 89170FN 89170 EG60615 36177 14102597 BT170

Grooved Pulley

1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 Chevrolet GMC Workhorse Custom Chassis Chevy GM General Motors C1500 Suburban C2500 C3500 C3500HD C4500 Kodiak Topkick C5500 Express 2500 3500 4500 G30 G3500 K1500 K2500 K3500 P30 P32 P3500 P42 Savana Sierra HD Classic Silverado 5500 6500 Tahoe Yukon 6.5L 6.6L