[Vehicle Fitment-1]: Compatible with Dodge Ram 2500 2003 V10 8.0L, Ram 2500 2003-2007 L6 5.9L, Ram 2500 2007-2010 L6 6.7L, Ram 3500 2003 V10 8.0L, Ram 3500 2003-2007 L6 5.9L, Ram 3500 2007-2010 L6 6.7L(Extended Crew Cab Pickup/Crew Cab Pickup/Standard Cab Pickup) --- 4WD, Automatic Transmission [Vehicle Fitment-2]: Compatible with Ram 2500 2011-2012 L6 6.7L, 2500 2013 L6 6.7L(with Serrated Pinion Flange), 3500 2011-2012 L6 6.7L(Extended Crew Cab Pickup/Crew Cab Pickup/Standard Cab Pickup), 3500 2013 L6 6.7L(Extended Crew Cab Pickup/Crew Cab Pickup/Standard Cab Pickup, with Serrated Pinion Flange, 68RFE Automatic) --- 4WD, Automatic Transmission [Reference Number]: 52105934AA, 52105934AB, 52105934AC, 52105934AD, 52105934AE, 52105934AF, 52123112AA, 52123326AA, 52123326AB, 52123326AC, 68057601AA, 938-163, 65-9540, 938163, 659540 [Directly Fit]: This drive shaft is made to the original equipment dimensions for dependable fit and performance [Customer Support]: 1 Year Unlimited-mileage Quality Guarantee; Being sturdy and brand-new, this drive shaft is the ideal replacement. Please get in touch with us at any time if the product has any quality issues, such as damage or isn't appropriate for your automobile. › See more product details