2016 Spicer/Dana D23-170, Truck Delivery, Front Rears (Tandem Front), Fits to: Peterbilt 320, (Used) 2016 Peterbilt 320, FRONT REAR DIFFERENTIAL- Make: Spicer, Model: R46-170D, Ratio: 5.38, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Ratio 5.38, Axle Spline Count Other, Serial# Other 3BPZL70XXGF107122
