The 3929028 Camshaft Gear is designed for Cummins Engine models B3.3, B4.5, 4B3.9, 6B5.9, and ISB, compatible with part numbers 3902235, 3907431, 3912884, and 3929030. Precision-engineered for reliable performance and durability.
Supersedes:3902235 3907431 3912884 3929030