74220X Genuine Dana Spicer Dana 80 Loaded Open Differential Carrier Case Kit 3.73 LowerDescription: Dana 80 Loaded Open Differential Carrier Case Kit 3. 73 Lower Condition: New Brand: Dana Spicer Part Number: 74220X Other OEM Part Numbers That Will Work: 701863AT Dana 80 37 Spline Open Loaded 3. 73 And Numerically Lower, 3. 73, 3. 54, 3. 31 Fitment Brand Spicer Axle Model DANA 80 Vehicle Location Rear Cover Bolt Quantity 10 Axle Shaft Spline Quantity 37 Differential Case Split 3. 73 And Down Differential Type Standard Carrier Type