
A new 3933370 cylinder head for Cummins 4BT/4BTA engines is a brand-new, fully machined replacement casting designed for the 3.9L B-series diesel engines, restoring optimal compression, sealing, and performance in industrial, agricultural, and automotive applications.
Why Shop with Young & Sons?
With over 75 years of diesel engine expertise, Young & Sons offers quality and fast availability for all your engine needs.