Buy OEM 1974 Nissan Part # 11046-73402 (11023-32200, 1104673402). Engine Timing Cover Alignment Dowel (Front). FRONT COVER, VACUUM PUMP and FITTING; CYLINDER BLOCK and OIL PAN

Dowel (D=5) (Fixing. Dowel Block TO Transmission. Dowel Timing Chain Cover. DOWL Cylinder Head. Pin Dowel, Pulley.
Pin Dowel, Retainer. Pin Dowel, Water Pump.
A component used to align the timing cover with its mounting surface.

PIN-DOWEL,CYLINDER BLOCKDOWELPIN-DOWEL,RETAINERPIN-DOWEL,WATER PUMPPIN-DOWELPIN-DOWEL,CYLINDER BLOCKPIN-DOWEL,PULLEYPIN-DOWEL