REAR SUSPENSION. AXLE HOUSING.
#4
2 wheel drive. 2500 & 3500 W/11. 5 axle. 3. 73 ratio. 3500 W/DRW. 3500 W/O drw. 4. 10 ratio. ALL. Reg & quad cab. W/ANTI-SPIN. W/DUAL rear wheels. W/O anti-spin. W/O dual rear wheels.
2 WHEEL DRIVE. 2500 & 3500 W/11.5 AXLE. REG & QUAD CAB.