https://www.sanpingmachinery.com/how-to-replace-crankshaft-seal.html Crankshaft seals, also known as oil seals, are crucial components in your vehicle's engine. They serve a dual purpose: preventing oil from leaking out of the engine and keeping dust and dirt from entering. Over time, these seals can wear out and require replacement to maintain the engine's performance. This article will guide you through the process of replacing both front and rear crankshaft seals. As a leading mechanical parts factory, Sanping Machinery offers a wide range of high-quality seals, including the 14589129 boom cylinder seal kit and the 14589140 arm cylinder seal kit.All Rights Reserved