This pulley is manufactured by Litens Automotive - inventor of the first automatic belt tensioner in 1979 and today the world's largest supplier of Original Equipment (O.E.) belt tensioning and routing products. This pulley is produced for serpentine belt routing applications and conforms to original equipment material and tolerance specs and meets performance and durability requirements. This pulley for Mitsubishi applications is constructed of high-grade steel for long life and optimum performance. Included with this pulley are a I.D. reducer/dust cover and a new bolt washer.