Genuine OEM Part No. 4309174 Connecting Rod Bearing Kit, interchangeable with 2899854, 2899855, 4999948 and 4999949, is designed for Cummins ISZ, QSZ, Z13, ISX12 and QSX11.9 heavy-duty engines. Precision-machined from high-strength aluminum alloy with a wear-resistant babbitt overlay, it reduces friction, absorbs impact loads and maintains precise connecting rod-to-crankshaft clearance, ensuring smooth engine operation and long service life.
| PN | NAME | QTY |
|---|---|---|
| 2899854(Supersessions:4999948) | Connecting Rod (stud) Bearing | 6 |
| 2899855(Supersessions:4999949) | Connecting Rod (stud) Bearing | 6 |