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Restores accessory drive belt system, and eliminates noisy tensioner pulley.
| Item Weight | 2.5 lbs (1.13 kg) |
Ideal for vehicles or machinery requiring robust performance under heavy loads without wear and tear.
Perfect for mechanics handling Cummins ISB engines, ensuring optimal performance with reliable tension settings.
A great choice for businesses with fleets, promoting long-lasting durability and consistent engine performance.
Unsuitable for light-duty vehicles as it may lead to over-engineered solutions and added weight.
Belt Tensioner 3936213 3976831 5259022 Compatible for Cummins ISB QSB 4B3.9 B4.5 B6.7 6B5.9 6C Engine
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