Rear Left Knuckle/Spindle Assembly - 1990 300ZX

The rear left knuckle/spindle assembly for the 1990 Nissan 300ZX is critical for maintaining proper suspension geometry and wheel alignment. When sourcing this part, the OEM number 54500-30P00 should be prioritized for accuracy. This assembly is compatible with all models of the 300ZX produced between 1989 and 1996, including both naturally aspirated and twin-turbo variants. Common inspection points include checking for cracks, bends, and wear on the mounting points, as well as the integrity of the wheel bearing. Installation requires precise torque specifications to ensure safety and performance. It's advisable to replace associated components like bushings and bearings simultaneously to avoid future issues. Always verify part numbers like 54500-30P01 for potential substitutes during your search.