GMPartsGiant.com offers the wholesale prices for genuine 1989 Chevrolet Metro parts. Parts like Automatic Transmission Case are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 3 Cyl 1.0L. Model Code: 2 DOOR, 4 DOOR, LSI 2 DOOR, LSI 4 DOOR.