Dublin, Ohio – April 15, 2025 – Litens Aftermarket N.A, offering the most complete portfolio of aftermarket belt drive products, has released a new tech tip video exploring Overrunning Alternator Decouplers (OADs) and Overrunning Alternator Pulleys (OAPs). Featuring industry expert Scott Brown, a 40-year automotive service veteran, the video traces the evolution of belt drive systems—from simple single-belt setups to today’s advanced serpentine systems.
Brown explains how innovations like OADs and OAPs have dramatically reduced noise, vibration, and harshness (NVH), improving both vehicle performance and passenger comfort. The discussion also covers the critical role of automatic tensioners in maintaining optimal belt tension, preventing premature wear, and extending system life.
This video delivers a detailed comparison of OADs and OAPs, equipping technicians and Litens customers with critical insights into belt drive advancements. By exploring their distinct roles in reducing NVH and improving durability, viewers will gain a deeper understanding of how modern engineering has revolutionized these systems—from early single-belt setups to today’s high-efficiency designs and the brilliance of the OAD.
About Litens Aftermarket
Litens, the world’s largest OE supplier of belt tensioning products, has been supplying the largest brands in the aftermarket, for decades. It offers the aftermarket’s most complete portfolio of belt drive products including timing belt tensioners, accessory drive tensioners, idler pulleys and decoupler pulleys (OAD™). As the inventors of the automatic accessory drive belt tensioner (ADT) and the timing belt tensioner (TBT), Litens delivers an innovative, engineering-first approach to the aftermarket. For more information, visit www.litensaftermarket.com.