A Belt Tensioner Idler Spacer used in conjunction with an idler pulley helps to maintain proper tension in the serpentine belt drive unit. It provides the necessary distance between the idler pulley and other components and ensures that the belt is properly tensioned and does not slip or come off the pulleys during operation. Attributes:• Minimizing any unwanted movement or oscillation• Helps reduce vibrations and noise caused by belt misalignment during the operationApplications:A Belt Tensioner Idler Spacer helps maintain proper tension in the serpentine belt and ensures the correct positioning and alignment of the idler pulley, contributing to smooth and efficient engine operation.