The 2003 Dodge Cab & Chassis tire size depends on trim: the R2500, 2D Pickup, 5.7 D, 4WD, Automatic takes LT265/70R17 E 121/11; the R2500, 2D Pickup, 5.7 D, 4WD, Standard takes LT265/70R17 E 121/11; the R2500, 2D Pickup, 5.7 D, RWD, Standard takes LT265/70R17 E 121/11; the R2500, 2D Pickup, 5.7 D, RWD, Automatic takes LT265/70R17 E 121/11; the R2500, 2D Pickup, 5.9 6, 4WD, Automatic takes LT265/70R17 E 121/11; the R2500, 2D Pickup, 5.9 6, 4WD, Standard takes LT265/70R17 E 121/11; the R2500, 2D Pickup, 5.9 6, RWD, Automatic takes LT265/70R17 E 121/11; the R2500, 2D Pickup, 5.9 6, RWD, Standard takes LT265/70R17 E 121/11; the R2500, 2D Pickup, 5.9 C, 4WD, Automatic takes LT265/70R17 E 121/11; the R2500, 2D Pickup, 5.9 C, 4WD, Standard takes LT265/70R17 E 121/11; the R2500, 2D Pickup, 5.9 C, RWD, Automatic takes LT265/70R17 E 121/11; the R2500, 2D Pickup, 8.0 W, 4WD, Standard takes LT265/70R17 E 121/11; the R2500, 2D Pickup, 8.0 W, 4WD, Automatic takes LT265/70R17 E 121/11; the R2500, 2D Pickup, 8.0 W, RWD, Standard takes LT265/70R17 E 121/11; the R2500, 2D Pickup, 8.0 W, RWD, Automatic takes LT265/70R17 E 121/11; the R2500, 4D Pickup, 5.7 D, 4WD, Automatic takes LT265/70R17 E 121/11; the R2500, 4D Pickup, 5.7 D, 4WD, Standard takes LT265/70R17 E 121/11; the R2500, 4D Pickup, 5.7 D, RWD, Automatic takes LT265/70R17 E 121/11; the R2500, 2D Pickup, 5.9 C, RWD, Standard takes LT265/70R17 E 121/11; the R2500, 4D Pickup, 5.7 D, RWD, Standard takes LT265/70R17 E 121/11; the R2500, 4D Pickup, 5.9 6, 4WD, Automatic takes LT265/70R17 E 121/11; the R2500, 4D Pickup, 5.9 6, 4WD, Standard takes LT265/70R17 E 121/11; the R2500, 4D Pickup, 5.9 6, RWD, Automatic takes LT265/70R17 E 121/11; the R2500, 4D Pickup, 5.9 6, RWD, Standard takes LT265/70R17 E 121/11; the R2500, 4D Pickup, 5.9 C, 4WD, Automatic takes LT265/70R17 E 121/11; the R2500, 4D Pickup, 5.9 C, 4WD, Standard takes LT265/70R17 E 121/11; the R2500, 4D Pickup, 5.9 C, RWD, Automatic takes LT265/70R17 E 121/11; the R2500, 4D Pickup, 5.9 C, RWD, Standard takes LT265/70R17 E 121/11; the R2500, 4D Pickup, 8.0 W, 4WD, Automatic takes LT265/70R17 E 121/11; the R2500, 4D Pickup, 8.0 W, 4WD, Standard takes LT265/70R17 E 121/11; the R2500, 4D Pickup, 8.0 W, RWD, Automatic takes LT265/70R17 E 121/11; the R2500, 4D Pickup, 8.0 W, RWD, Standard takes LT265/70R17 E 121/11; the R3500, 2D Pickup, 5.7 D, 4WD, Automatic takes LT245/70R17 E 119/11; the R3500, 2D Pickup, 5.7 D, 4WD, Standard takes LT245/70R17 E 119/11; the R3500, 2D Pickup, 5.7 D, RWD, Automatic takes LT245/70R17 E 119/11; the R3500, 2D Pickup, 5.7 D, RWD, Standard takes LT245/70R17 E 119/11; the R3500, 2D Pickup, 5.9 6, 4WD, Automatic takes LT245/70R17 E 119/11; the R3500, 2D Pickup, 5.9 6, 4WD, Standard takes LT245/70R17 E 119/11; the R3500, 2D Pickup, 5.9 6, RWD, Automatic takes LT245/70R17 E 119/11; the R3500, 2D Pickup, 5.9 6, RWD, Standard takes LT245/70R17 E 119/11; the R3500, 2D Pickup, 5.9 C, 4WD, Automatic takes LT245/70R17 E 119/11; the R3500, 2D Pickup, 5.9 C, 4WD, Standard takes LT245/70R17 E 119/11; the R3500, 2D Pickup, 5.9 C, RWD, Automatic takes LT245/70R17 E 119/11; the R3500, 2D Pickup, 5.9 C, RWD, Standard takes LT245/70R17 E 119/11; the R3500, 2D Pickup, 8.0 W, 4WD, Automatic takes LT245/70R17 E 119/11; the R3500, 2D Pickup, 8.0 W, 4WD, Standard takes LT245/70R17 E 119/11; the R3500, 2D Pickup, 8.0 W, RWD, Automatic takes LT245/70R17 E 119/11; the R3500, 2D Pickup, 8.0 W, RWD, Standard takes LT245/70R17 E 119/11; the R3500, 4D Pickup, 5.7 D, 4WD, Automatic takes LT245/70R17 E 119/11; the R3500, 4D Pickup, 5.7 D, 4WD, Standard takes LT245/70R17 E 119/11; the R3500, 4D Pickup, 5.7 D, RWD, Automatic takes LT245/70R17 E 119/11; the R3500, 4D Pickup, 5.7 D, RWD, Standard takes LT245/70R17 E 119/11; the R3500, 4D Pickup, 5.9 6, 4WD, Automatic takes LT245/70R17 E 119/11; the R3500, 4D Pickup, 5.9 6, 4WD, Standard takes LT245/70R17 E 119/11; the R3500, 4D Pickup, 5.9 6, RWD, Automatic takes LT245/70R17 E 119/11; the R3500, 4D Pickup, 5.9 6, RWD, Standard takes LT245/70R17 E 119/11; the R3500, 4D Pickup, 5.9 C, 4WD, Automatic takes LT245/70R17 E 119/11; the R3500, 4D Pickup, 5.9 C, 4WD, Standard takes LT245/70R17 E 119/11; the R3500, 4D Pickup, 5.9 C, RWD, Automatic takes LT245/70R17 E 119/11; the R3500, 4D Pickup, 5.9 C, RWD, Standard takes LT245/70R17 E 119/11; the R3500, 4D Pickup, 8.0 W, 4WD, Automatic takes LT245/70R17 E 119/11; the R3500, 4D Pickup, 8.0 W, 4WD, Standard takes LT245/70R17 E 119/11; the R3500, 4D Pickup, 8.0 W, RWD, Automatic takes LT245/70R17 E 119/11; the R3500, 4D Pickup, 8.0 W, RWD, Standard takes LT245/70R17 E 119/11, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
R2500, 2D Pickup, 5.7 D, 4WD, Automatic: LT265/70R17 E 121/11
R2500, 2D Pickup, 5.7 D, 4WD, Standard: LT265/70R17 E 121/11
R2500, 2D Pickup, 5.7 D, RWD, Standard: LT265/70R17 E 121/11
R2500, 2D Pickup, 5.7 D, RWD, Automatic: LT265/70R17 E 121/11
R2500, 2D Pickup, 5.9 6, 4WD, Automatic: LT265/70R17 E 121/11
R2500, 2D Pickup, 5.9 6, 4WD, Standard: LT265/70R17 E 121/11
R2500, 2D Pickup, 5.9 6, RWD, Automatic: LT265/70R17 E 121/11
R2500, 2D Pickup, 5.9 6, RWD, Standard: LT265/70R17 E 121/11
R2500, 2D Pickup, 5.9 C, 4WD, Automatic: LT265/70R17 E 121/11
R2500, 2D Pickup, 5.9 C, 4WD, Standard: LT265/70R17 E 121/11
R2500, 2D Pickup, 5.9 C, RWD, Automatic: LT265/70R17 E 121/11
R2500, 2D Pickup, 8.0 W, 4WD, Standard: LT265/70R17 E 121/11
R2500, 2D Pickup, 8.0 W, 4WD, Automatic: LT265/70R17 E 121/11
R2500, 2D Pickup, 8.0 W, RWD, Standard: LT265/70R17 E 121/11
R2500, 2D Pickup, 8.0 W, RWD, Automatic: LT265/70R17 E 121/11
R2500, 4D Pickup, 5.7 D, 4WD, Automatic: LT265/70R17 E 121/11
R2500, 4D Pickup, 5.7 D, 4WD, Standard: LT265/70R17 E 121/11
R2500, 4D Pickup, 5.7 D, RWD, Automatic: LT265/70R17 E 121/11
R2500, 2D Pickup, 5.9 C, RWD, Standard: LT265/70R17 E 121/11
R2500, 4D Pickup, 5.7 D, RWD, Standard: LT265/70R17 E 121/11
R2500, 4D Pickup, 5.9 6, 4WD, Automatic: LT265/70R17 E 121/11
R2500, 4D Pickup, 5.9 6, 4WD, Standard: LT265/70R17 E 121/11
R2500, 4D Pickup, 5.9 6, RWD, Automatic: LT265/70R17 E 121/11
R2500, 4D Pickup, 5.9 6, RWD, Standard: LT265/70R17 E 121/11
R2500, 4D Pickup, 5.9 C, 4WD, Automatic: LT265/70R17 E 121/11
R2500, 4D Pickup, 5.9 C, 4WD, Standard: LT265/70R17 E 121/11
R2500, 4D Pickup, 5.9 C, RWD, Automatic: LT265/70R17 E 121/11
R2500, 4D Pickup, 5.9 C, RWD, Standard: LT265/70R17 E 121/11
R2500, 4D Pickup, 8.0 W, 4WD, Automatic: LT265/70R17 E 121/11
R2500, 4D Pickup, 8.0 W, 4WD, Standard: LT265/70R17 E 121/11
R2500, 4D Pickup, 8.0 W, RWD, Automatic: LT265/70R17 E 121/11
R2500, 4D Pickup, 8.0 W, RWD, Standard: LT265/70R17 E 121/11
R3500, 2D Pickup, 5.7 D, 4WD, Automatic: LT245/70R17 E 119/11
R3500, 2D Pickup, 5.7 D, 4WD, Standard: LT245/70R17 E 119/11
R3500, 2D Pickup, 5.7 D, RWD, Automatic: LT245/70R17 E 119/11
R3500, 2D Pickup, 5.7 D, RWD, Standard: LT245/70R17 E 119/11
R3500, 2D Pickup, 5.9 6, 4WD, Automatic: LT245/70R17 E 119/11
R3500, 2D Pickup, 5.9 6, 4WD, Standard: LT245/70R17 E 119/11
R3500, 2D Pickup, 5.9 6, RWD, Automatic: LT245/70R17 E 119/11
R3500, 2D Pickup, 5.9 6, RWD, Standard: LT245/70R17 E 119/11
R3500, 2D Pickup, 5.9 C, 4WD, Automatic: LT245/70R17 E 119/11
R3500, 2D Pickup, 5.9 C, 4WD, Standard: LT245/70R17 E 119/11
R3500, 2D Pickup, 5.9 C, RWD, Automatic: LT245/70R17 E 119/11
R3500, 2D Pickup, 5.9 C, RWD, Standard: LT245/70R17 E 119/11
R3500, 2D Pickup, 8.0 W, 4WD, Automatic: LT245/70R17 E 119/11
R3500, 2D Pickup, 8.0 W, 4WD, Standard: LT245/70R17 E 119/11
R3500, 2D Pickup, 8.0 W, RWD, Automatic: LT245/70R17 E 119/11
R3500, 2D Pickup, 8.0 W, RWD, Standard: LT245/70R17 E 119/11
R3500, 4D Pickup, 5.7 D, 4WD, Automatic: LT245/70R17 E 119/11
R3500, 4D Pickup, 5.7 D, 4WD, Standard: LT245/70R17 E 119/11
R3500, 4D Pickup, 5.7 D, RWD, Automatic: LT245/70R17 E 119/11
R3500, 4D Pickup, 5.7 D, RWD, Standard: LT245/70R17 E 119/11
R3500, 4D Pickup, 5.9 6, 4WD, Automatic: LT245/70R17 E 119/11
R3500, 4D Pickup, 5.9 6, 4WD, Standard: LT245/70R17 E 119/11
R3500, 4D Pickup, 5.9 6, RWD, Automatic: LT245/70R17 E 119/11
R3500, 4D Pickup, 5.9 6, RWD, Standard: LT245/70R17 E 119/11
R3500, 4D Pickup, 5.9 C, 4WD, Automatic: LT245/70R17 E 119/11
R3500, 4D Pickup, 5.9 C, 4WD, Standard: LT245/70R17 E 119/11
R3500, 4D Pickup, 5.9 C, RWD, Automatic: LT245/70R17 E 119/11
R3500, 4D Pickup, 5.9 C, RWD, Standard: LT245/70R17 E 119/11
R3500, 4D Pickup, 8.0 W, 4WD, Automatic: LT245/70R17 E 119/11
R3500, 4D Pickup, 8.0 W, 4WD, Standard: LT245/70R17 E 119/11
R3500, 4D Pickup, 8.0 W, RWD, Automatic: LT245/70R17 E 119/11
R3500, 4D Pickup, 8.0 W, RWD, Standard: LT245/70R17 E 119/11