Nissan Laurel C33 Engine Block To Oil Pump Locating Dowel Pin RB20

The Nissan Laurel C33 Engine Block to Oil Pump Locating Dowel Pin for RB20 engines is a vital precision component that guarantees accurate alignment between the cylinder block and oil pump assembly. This dowel pin is installed in a machined hole on the front of the engine block within the oil pump mounting flange, engaging the corresponding hole in the oil pump housing. Proper alignment ensures the oil pump’s inlet and outlet passages perfectly match the main oil gallery, preventing misalignment that could reduce oil pressure, cause leaks, or compromise lubrication to critical components such as the crankshaft, camshafts, and turbochargers. Manufactured to exact OEM specifications, this steel pin, approximately 7mm long and 4mm in diameter, is essential for maintaining the reliability and performance of RB-series engines. It is commonly inspected or replaced during oil pump service, timing belt replacement, or full engine rebuilds to ensure precise fitment and dependable operation unde