GMPartsGiant.com offers the wholesale prices for genuine 2016 Chevrolet Impala New Model parts. Parts like Drive Shaft/Front Wheel are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.5L, 6 Cyl 3.6L. Model Code: LS 4 DOOR NOTCHBACK, LT 4 DOOR NOTCHBACK, LTZ 4 DOOR NOTCHBACK.