This Bosch V-ribbed belt, part number 1 987 946 091, is engineered to provide efficient and durable performance. It is constructed from advanced materials to withstand the demanding conditions of engine operation, including heat, oil, and abrasion. The precise rib profile ensures optimal contact with pulleys, minimizing slippage and maximizing the performance of components like the alternator, power steering pump, and air conditioning compressor. Choose Bosch for a dependable belt that contributes to the smooth and consistent operation of your vehicle's essential accessories.