sorry not dana44, maybe they are C213RE diffs front and back? (check dif type 3) they dont mention the 3.0 liter engine
Differential Type 1: Conventional (C213R)
Availability: Standard with 3.7 and 4.7-liter engines
Ring Gear Diameter: 8.3 in. (213mm)
Axle Ratios: 3.07:1 (3.7-liter); 3.73:1 (4.7-liter/5.7-liter)
Differential Type 2: Vari-Lock Progressive
Availability: Optional on 4 x 2 models
Ring Gear Diameter: 8.3 in. (213mm)
Axle Ratios: 3.07:1 (3.7-liter); 3.73:1 (4.7-liter/5.7-liter)
Differential Type 3: Electronic Limited Slip Differentials (ELSD) (C213RE)
Availability: Standard with 5.7-liter engine, Optional with 4.7-liter engine, Optional on 4 x 4 models with NV245 Transfer Case (Quadra-Drive II)
Ring Gear Diameter: 8.3 in. (213mm)
Axle Ratios: 3.73:1
Differential Type 4: Dana 44 (226RBI)
Availability: Standard with 6.1-liter engine (SRT8 only)
Ring Gear Diameter: 8.9" (226mm)
Axle Ratio: 3.73:1