2003-2007 GMC Sierra

6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.2L, 8 Cyl 6.6L 

Diesel, 8 Cyl 8.1L

1500 EXTENDED CAB LONG BOX, 1500