Product Details: Metal slinger that presses on the outer stub axle shaft ~1.365" ID that presses on the axle shaft ~2.505" OD that the rubber dust slinger installs on ~4.435" major OD Parts Included: (1) slinger Fits: 1975 - 1993 Dodge W250 and W350 with the Dana 60 or Dana 61 front axle 1977 - 1991 GM, Chevrolet, GMC K30, K35, K3500, V30, and V3500 with the Dana 60 front axle 1978 - 1979 Ford F-250 and F-350 with the Dana 60 front axle 1985 - 1993 Ford F-350 with the Dana 60 front axle 1980 - 1993 Ford F-250 with the Dana 50 TTB front axle Brand: Dana Spicer Part Number: Dana Spicer 37308 Warranty: 6 month warranty and case by case basis. Genuine Spicer light vehicle axle products are manufactured to the same high standards as original equipment (OE) parts because they are OE parts. That means when an automotive axle part is replaced with a genuine Spicer part, you are getting the same performance and reliability you have come to expect. And because Dana is constantly revolutionizing the technology behind its Dana axles and Spicer products, the replacement car axle or component you purchase today may even exceed the standards set for the original equipment part that you are replacing. Axle Model: DANA 60 Inner Diameter: 3.364 Inner Diameter (In) B: 3.364 Outer Diameter (In) A: 4.4 Outside Diameter: 4.4 Width: 0.42