LexusPartsNow.com offers the wholesale prices for genuine 2008 Lexus GS350 parts. Parts like Rear Axle Housing & Differential are shipped directly from authorized Lexus dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.5L, 8 Cyl 4.3L, 8 Cyl 4.6L.