Cummins B Series Rocker Cover 3928404 4b 4bt 6b 6bt 12v Diesel 3.9l 5.9l Ag

The Cummins B Series Rocker Cover 3928404 is a high-quality engine part designed for diesel engines, including models such as the 4b, 4bt, 6b, and 6bt. Made in the United States by Cummins, this rocker cover is a genuine manufacturer part that ensures durability and compatibility with your vehicle. Although it does not come with a manufacturer warranty, you can trust in the reliability and performance of this essential valvetrain component for your truck or engine.