2005 Toyota Tundra Owners Manual - Page 1007

'05 TUNDRA_U (L/O 0504) Model code Check the model code to see what type of model your vehicle is. Cab type Engine type GSK: 1GR−FE engine UCK: 2UZ−FE engine T: Standard cab A: Access cab P: Double cab Grade D: Standard grade S: SR5 grade L: Limited grade U C K 3 0 Driving system 30, 31: Two−wheel drive 40, 41: Four −wheel drive − T R Deck type R: Standard bed S: StepSide bed D The model code appears on the Certification Label with the heading "MODEL". See "Your Toyota's identification" in Section 2 for the Certification Label location. xi 2005 TUNDRA from Apr. '05 Prod. (OM34440U)