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Crankshaft Thrust Bearing Cummins 3945528 | 3978824, 3927772, 172040
Ensure optimal crankshaft axial clearance and reduce friction with this premium crankshaft thrust bearing for Cummins 4BT and 6BT engines. Precision-engineered to standard (STD) size for reliable heavy-duty performance.
Description
High-Performance Crankshaft Thrust Bearing for Cummins Engines
The Crankshaft Thrust Bearing 3945528 is a critical engine component designed to absorb axial loads and control the endplay of the crankshaft. Engineered specifically for Cummins 4BT and 6BT series engines, this standard-size (STD) thrust bearing ensures smooth rotation, minimizes friction, and protects your engine block and crankshaft from premature wear.
Key Features & Benefits
- Precise Fitment: Manufactured to exact specifications for Cummins 4BT (3.9L) and 6BT (5.9L) engines, as well as Komatsu S4D102.
- Axial Load Absorption: Effectively manages the thrust forces generated during engine operation, maintaining proper crankshaft alignment.
- Durable Construction: Built from high-grade wear-resistant materials to withstand the extreme pressures of heavy-duty diesel applications.
- Standard Size (STD): Designed for standard crankshaft journals to restore original factory clearances.
Product Specifications
- Part Number: 3945528
- Brand: Cummins
- Size: Standard (STD)
- Angle/Type: 360° thrust bearing pair
- Compatible Engines: Cummins 4BT, 6BT, ISB, QSB; Komatsu S4D102
Note: Please verify your engine’s bearing size requirements before purchasing. Opened or installed bearings are not eligible for return.
