Belt pulleys are critical components within a vehicle's engine system, responsible for transferring rotational power from the crankshaft to various auxiliary devices. Found within the Engine Parts > Engine Miscellaneous section, these pulleys drive essential systems like the alternator, water pump, power steering pump, and air conditioning compressor. Constructed from durable materials like metal alloys or reinforced polymers, belt pulleys are designed to withstand continuous use and environmental factors. Key characteristics include precise diameter and groove profiles to ensure proper belt alignment and efficient power transmission. Examples in our assortment include Febi MPN FEBI47501 for various engine applications, and MAN MPN 81.95820-0291 designed for specific commercial vehicle engines. Maintaining a correctly functioning belt pulley is vital for optimal engine performance and preventing system failures.