2015 Dana Other, Truck Delivery, Rear Rears (Tandem Rear or Single), Fits to: Peterbilt 337, (Used) 2015 Peterbilt 337, REAR CUTOFF, Make: Dana/Spicer, Model:P20060S, Ratio: 4.33, Suspension: air ride, Hub bolts: 10, Capacity:20,000LB, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS), Ratio 4.33, Axle Spline Count Other, Serial# N/A 2NP2HM6X2FM262264