2 0 Meritor-Rockwell SUDD Rear Differential for a 1972 Hayes HD3350 Contact for price 1972 HAYES HD3350 ROCKWELL SUDD TOP LOAD REAR, 7.54 RATIO, Ratio: 7.54, Casting#: 687450 ConditionUsedRear End7.54 ratioFits To Make(s)HayesFits To Model(s)HD3350Will Fit Year(s)1972Stock Number3768-HAYES-4 MLS Number13380178CategoryDifferentials, Rear Last Updated3/7/2025 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info