This high-quality timing belt tensioner is designed to fit perfectly for Cummins engines. It is an essential component that guarantees smooth operation and longevity of the engine. The tensioner is made of top-grade materials and manufactured in China by a reputable company. The OE/OEM part number for this item is 2874377, while the manufacturer part number is also 2874377. It is perfect for those seeking to replace their old and worn-out tensioners or those that want to upgrade their engines for better performance.