This Litens pulley is supplied by one of the largest automotive pulley suppliers in the world and meets all form, fit, and performance characteristics of the original equipment part . Like the Original Equipment (O.E.) pulley, the Litens replacement part is constructed of heavy duty steel for long life and trouble free performance. This pulley, is manufactured in Japan for both O.E. and aftermarket Mazda/Ford applications. Litens is the world's largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.