Illustrative photo — the delivered item may differ in appearance. Orders are fulfilled by catalog part number (SKU).
Main Bearing Set 0.75mm Cummins 3802073 | 4955862, 3800293, 171814
This premium 0.75mm (.030″) main bearing set provides reliable crankshaft support and exceptional durability for Cummins 6BT 5.9, ISB, and QSB engines.
Description
Premium Main Bearing Set 0.75mm (.030″) for Cummins Engines
Restore your engine’s bottom end to factory-spec performance with this high-quality 0.75mm (.030″) main bearing set. Designed specifically for heavy-duty diesel applications, this set provides the precise clearance and robust support your crankshaft needs after machining. It is engineered to withstand extreme pressures, reduce friction, and prevent premature wear, ensuring long-term reliability for your engine rebuild.
Engine Compatibility & Fitment
This main bearing set is compatible with a wide range of Cummins and industrial engines, including:
- Cummins: 6BT 5.9, ISB 5.9, ISB 6.7, QSB 5.9, QSB 6.7, 4B 3.9
- Komatsu: S6D102
Technical Specifications
- Part Number: 3802073
- Size: 0.75mm (.030″) Undersize / Oversize
- Standard Journal Diameter Range: 82.987 mm – 83.012 mm / 87.983 mm – 88.016 mm
- Bearing Width: 29 mm
- Thrust Bearing Width: 37.38 mm
- Contents: Complete set of main bearings and thrust bearings for a full engine rebuild
Key Benefits
- Precision Engineering: Manufactured to strict dimensional tolerances for a perfect fit and optimal oil clearance.
- Heavy-Duty Durability: Built with advanced multi-layer materials to handle high loads and thermal stress.
- Complete Kit: Includes all necessary main and thrust bearing shells to complete a full 6-cylinder engine overhaul.
