Toyota 2008 Tundra Owner's Manual page 516

07 11.20
XS40009a
Double cab models
(under the right rear
without storage box)
506
XS40038a
Double cab models
seats (under the right rear seats with
storage box)
XS40044
Crew Max models
(behind the right rear seatback)
2008 TUNDRA from Apr. '08 Prod. (OM34477U)