View 0 Photos View 0 Videos 1997 Meritor RR20145 Rear Differential for a Peterbilt 378 $295 USD (USED) Meritor RR20145 Ratio: 3.91 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200L1884 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Stock Number25708953 MLS Number13196821CategoryDifferentials, Rear Last Updated10/26/2024 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info