Front Right Door Lock Actuator - 1990 300ZX Z32

The 1990-1996 Nissan 300ZX (Z32) front right door lock actuator commonly fails with a buzzing motor but frozen latch mechanism due to stripped internal nylon gears after three decades of service. When sourcing replacements, part numbers 80532-40P01 (service replacement) and 80532-30P00 (early production) interchange across all VG30DE and VG30DETT coupe models from 1990-1996, including both Turbo and naturally aspirated variants. Inspection requires removing the door panel—watch for hidden screws behind the sail panel and armrest. The actuator mounts to the latch assembly via rivets on early cars; drill these out carefully and use grade-5 bolts with locking nuts for reinstallation. Test the white plastic actuator rod clips for brittleness before reinstalling, as these frequently crack during removal and cause binding. Junkyard pulls should include the full latch assembly if possible, as separating the actuator from the latch bracket risks breaking the mounting tabs. Verify the two-pin connector matches your harness—some JDM market cars used different pin configurations. Always cycle the lock ten times before final assembly to confirm gear engagement.