This pulley is manufactured by Litens Automotive - supplier of this part to the original equipment manufacturer. This pulley is produced for serpentine belt routing applications. This pulley conforms to original equipment material, tolerances, and specifications. The part is made in Canada and fits Heavy Duty truck applications including Ford E350, F250, F450 Super Duty w/6.0L/6.4Land 6.7L Diesels. This flat steel pulley comes complete with increased pulley wall thickness, robust 6303 ball bearing and flanged mounting bolt. Pre-assembled pulleys save installation time and ensure that all components are assembled to original specifications for both installation and performance.