Enhance your Cummins engine performance with the 3943872 Exhaust Manifold, compatible with B3.3, ISB, ISD, B6.7, QSB3.3, QSB5.9, QSB6.7, and ISBE models. Supersedes parts 3942225 and 3943871 for improved durability and fit.
Supersedes:3942225 3943871
Condition:New / OEM Quality
Free worldwide shipping · 3–15 days.png){kind=icon}
