Adjusting Nut Cap 3945239

Genuine Cummins Parts

Choose Genuine. Because There is a Difference.

Using Genuine Cummins parts makes all the difference. Genuine Cummins new and ReCon® parts are guaranteed to fit right and work right. Extend the life of your equipment by choosing the best parts for your Cummins engine or generator. Backed by Cummins with a 100% comprehensive warranty on parts, labor and progressive damage nothing works better or lasts longer.

The difference between Genuine Cummins parts and non-genuine parts isn't always the easiest to detect. Precision design, state-of-the-art manufacturing and rigorous testing ensures that Genuine Cummins parts perform at Cummins factory-specified levels of durability, reliability and performance.