View 3 Photos View 0 Videos Dana RSP 40 Rear Differential Recently Updated Contact for price Good Condition Rear Differential RSP 40 Ratio 3.55, Ratio: 3.55 ConditionUsedRear End3.55 ratioStock Number976413 MLS Number14117866CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info