GMPartsGiant.com offers the wholesale prices for genuine 2009 Saturn Astra parts. Parts like Trim/Quarter are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 1.8L. Model Code: 2 DOOR COUPE XR, 4 DOOR SEDAN XE, 4 DOOR SEDAN XR.