4 0 Rockwell SQR100 Rear Differential $800 USD Good used Rockwell SQR100 rear, rear differential assembly. 4.10 ratio. 90 day gurantee for swap or refund. ConditionUsedRear End4.10 ratioFits To Make(s)ROCKWELLFits To Model(s)SQR100Stock NumberRyd SQR100/4.10/41 MLS Number11881484CategoryDifferentials, Rear Last Updated7/30/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info