
A new 855 Cummins camshaft with part numbers 3801030 / 191920E is a direct‑replacement camshaft for Cummins 743/855 series diesel engines, built to restore factory valve timing, power, and reliability in heavy‑duty on‑ and off‑highway 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.