SINOTRUK HOWO A7 Model Tension Roller Spare Parts VG1246060022

The main purpose of the VG1246060022 tensioner is to ensure that the engine belt (or chain) maintains proper tension during operation. In the engine system, the belt or chain is usually used to drive various accessories, such as generators, air conditioning compressors, water pumps, etc. The tensioner automatically adjusts the belt tension through its internal spring or hydraulic mechanism to meet the operating requirements of the engine under different working conditions.