2004 Toyota Tundra: What is the tire size and pressure, and wheel size?

There are two trim levels for the 2004 Toyota Tundra, but there's only three different tire sizes You'll typically find on it by default: 245/70R16s are the default on the 3.4, and 265/70R16s come standard on the 4.7. The tire pressure on the 3.4's should be 26 psi in the front and 35 psi in the rear, while the 4.7's use 26 psi in the front, but decrease the rear psi to 29. You can outfit Your truck witH17 inch wheels, using 265/65R17s on either of the trims, and going to 29 psi in the front witH32 psi in the rear on these. Something else You may find useful to know is that the wheel bolt pattern on this truck iS6 X139.7, with a center bore of 106.1mm and a thread size of M12 X1.5.