AcuraPartsWarehouse.com offers the wholesale prices for genuine 2016 Acura MDX parts. Parts like Engine Assy. - Transmission Assy. (3.5L) are shipped directly from authorized Acura dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Body & Trim: 5 Door ADV (SH-AWD ENT.). Emission & Transmission: KA 9AT.