Belt Tensioner Lever 044903308

Image is an example only, BRAND MAY VARY

A belt tensioner lever is an essential component of a car's engine system. Its primary function is to maintain the proper tension within the engine's accessory drive belt, which is responsible for powering various engine components, such as the alternator, power steering pump, and air conditioning compressor.

The belt tensioner lever is designed to automatically adjust the tension of the accessory belt as needed, depending on the engine RPM and load. This is important because if the belt becomes too loose, it can slip off the pulleys, causing the engine components to stop working. On the other hand, if the belt is too tight, it can put unnecessary strain on the engine, reducing its efficiency and potentially causing damage. The belt tensioner lever ensures that the accessory belt is always at the optimal tension, helping to extend the life of the engine and its components.