GMPartsGiant.com offers the wholesale prices for genuine 2021 Buick Encore 2WD parts. Parts like Engine Assembly-Exhaust Manifold & Related Parts are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 1.4L. Model Code: CX 4 DOOR SPORT UTILITY, CXL 4 DOOR SPORT UTILITY.