LexusPartsNow.com offers the wholesale prices for genuine 2015 Lexus GS350 parts. Parts like Transmission Case & Oil Pan (ATM) are shipped directly from authorized Lexus dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.0L, 6 Cyl 2.5L, 6 Cyl 3.5L.