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 : 580216 T36227 49178 89059FN 89059 419-628 EG60840 45026 36227 06E903341A 06E903341B 077109244F 11287516847 12564401 12611935 24576968 24577515 2790251 31190RCAA01 31190RCAA02 4861643AB 4861643AC 6E5E19A216AB 6E5Z8678AA BT059

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