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Shop now for Differentials and Differential Parts specific to 1973-1980 Chevy and GMC 4x4 trucks equipped with Dana 44 Open Knuckle Front Axles. Great selection. In stock. Quick shipping.
Most 1973 and all 1974-1980 Chevy and GMC Dana 44 Front Axles were factory equipped with conventional open differentials. An optional Trac-Lok® limited slip differential was offered for the 1973 model year. Depending upon the year, model and transmission, both full time and part time transfer cases were used to drive the front axle. In vehicles having full time transfer cases in which the front axle is always under power when driving, wear on the thrust washers and cross shaft can be expected on higher mileage vehicles. The differential small parts are the same for all ratios, but the ring gear flange on the case castings are different for 3.73 and numerically lower ratios and axles having 4.09 and numerically higher ratios due to the pinion gear diameter size for high and low ratios.
