Can anyone tell me what is meant by Z5000 - DEALER/RETAILER TRADE(PART OBTAINED LOCALLY)

04/02/2002 107039 # K5392 - LINES AND/OR FITTINGS, TRANSMISSION OIL COOLER - LOWER - A 200 miles 04/02/2002 107039 # Z5000 - DEALER/RETAILER TRADE(PART OBTAINED LOCALLY) 200 miles 04/02/2002 107039 # T2020 - TOWING 200 miles

z5000 is a special labor operation for possilble unusual circumstances.the fitting maybe wasnt in stock and it was bought from a outside source.