Built for RVs, heavy-duty trucks, buses, and more, the heavy-duty line of diesel engines from Cummins are popular for their performance. However, they are prone to various issues, requiring replacement Cummins ISX parts or N14 Cummins parts. +Read more
For example, the 400-450 horsepower ISX is known for flattening camshaft lobes. Meanwhile, a few of these engines, such as the N14, are vulnerable to fuel injector problems. Additionally, an issue that is common to older versions of the ISL is the EGR cooler failing as it becomes clogged with soot.