Genuine OEM Jaguar Crankshaft Main Lower Bearing, part number C2Z30460. This critical engine component supports the crankshaft's rotation within the engine block, reducing friction and ensuring smooth, reliable operation. It is the lower half of a main bearing. Weighing 0.033 kg and measuring 0.0051m x 0.0051m x 0.0051m, this precision-engineered part is vital for engine health. Using a genuine OEM bearing ensures the correct material composition, precise tolerances, and factory-specified clearances for optimal engine performance and longevity.