UP FOR AUCTION IS AN NOS 1973-1977 CHEVROLET PICKUP CAB WITH SLIDING BACK WINDOW, 1975-1978 CHEVROLET PICKUP, BLAZER, GMC JIMMY WITH BODY SIDE SLIDING BACK WINDOW ( EXCEPT FRAME AROUND SLIDING WINDOW) AND 1979-1983 CHEVROLET CK-1,2,3 WITH SLIDING BACK WINDOW LATCH. THE ITEM IS IN GOOD UNUSED NOS CONDITION AND COMES IN ITS ORIGINAL GM PARTS BOX. IT WAS WELL STORED AND LOOKS GOOD. THE ITEMS ARE MADE OF BLACK PLASTIC. THE GM PART NUMBER IS 465203; GROUP NUMBER 16.475.