ToyotaPartsDeal.com offers the wholesale prices for genuine 2010 Toyota Tundra parts. Parts like Alternator are shipped directly from authorized Toyota dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.0L, 8 Cyl 4.6L, 8 Cyl 4.7L, 8 Cyl 5.7L. Trim: Limited, SR5.