Nissan Laurel C33 Engine To Transmission Locating Dowel (Upper) RB20

The Nissan Laurel C33 Engine to Transmission Locating Dowel is a critical component for ensuring precise alignment between the RB20 engine and its transmission. Positioned at the rear face of the cylinder block near the upper transmission mounting area, this solid steel dowel is designed to fit perfectly into a machined hole on the transmission mating surface. Its bezel-ended design and exact factory dimensions, measuring 20mm long by 10mm in diameter, allow the dowel to protrude slightly for accurate alignment during installation. This genuine Nissan dowel pin ensures proper mating of the engine block and transmission bell housing, preventing rotational or lateral misalignment. Correct alignment is crucial for clutch and flywheel engagement, input shaft positioning, and preventing leaks at the joint. Misalignment can compromise drivetrain performance, cause premature wear, or lead to costly repairs, making this dowel essential for rebuilds, maintenance, or performance upgrades. Terra