These NISSAN Main Bearings, crankshaft (part code 1220731U4A) are essential components for the smooth and efficient operation of your engine. They are designed to reduce friction between the crankshaft and the engine block, allowing the crankshaft to rotate freely while supporting its weight. Crafted with high-quality materials and manufactured to NISSAN's exacting standards, these bearings provide superior durability and wear resistance. Proper installation of these main bearings is crucial for maintaining oil pressure and ensuring the overall health and performance of your engine, preventing costly repairs down the line. Choosing genuine NISSAN parts guarantees compatibility and reliability, ensuring your vehicle performs as intended. Replace your worn main bearings with this direct fit component to restore optimal engine function and extend the life of your crankshaft.
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