1.normal packing 2.special packing for 23100-05G05 23100-20J00 23100-81W00 alternator 12V should be explained in advance. Steering Gear Box Pump for ISUZU NPR 3.0 NQR 4JJ1 4HK1 ELF truck Pickup Power Steering Gear Box For Pickup Steering Box for Chevrolet 2.3 Manual Steering Box for Chevrolet 2.3 Trooper tractors 8-94173299-5 Steering Gear Box