ToyotaPartsDeal.com offers the wholesale prices for genuine 2016 Toyota Tacoma parts. Parts like Horn are shipped directly from authorized Toyota dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.7L, 6 Cyl 3.5L, 6 Cyl 4.0L. Trim: Base, Limited, SR5.