OEM-quality Part No. 2881961 Standard Main Bearing Set, cross-referenced with 4999939, 4999940 and 2869805, is designed for Cummins ISZ, QSZ, ISX and QSX heavy-duty diesel engines. Precision-machined from high-grade leaded bronze alloy with a wear-resistant polymer overlay, it delivers exceptional load capacity, friction reduction and long service life, maintaining precise crankshaft-to-engine block clearance for optimal engine performance and reliability.
2881961 Main Bearing(Standard) Set
| PN |
NAME |
QTY |
| 4999939 |
MAIN BEARING |
7 |
| 4999940 |
MAIN BEARING |
7 |
| 2869805 |
CRANKSHAFT THRUST BEARING |
4 |
