The 3966454 Cylinder Head is engineered for Cummins Engine models 6BT5.9, 6BTAA5.9, QSB5.9, and 6D102. Compatible with part numbers 3802805, 3925389, 3930652, and 3934746, it ensures reliable performance and optimal engine efficiency.
Supersedes:3802805 3925389 3930652 3934746
