View 1 Photo View 0 Videos Meritor-Rockwell MT40-14X Front Differential for a 2015 Peterbilt 579 Contact for price 2015 PETE 579 MERITOR MT14-40X FRONT REAR DIFF, 3.90 RATIO NO LOCKS, DRUM BRAKES, ABS, 40000 LBS, Serial#: NA, Ratio: 3.9, Casting#: NA ConditionUsedRear End3.90 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2015Stock Number3858-PETE-4 MLS Number13749027CategoryDifferentials, Front Last Updated5/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 13 Photos View 0 Videos Meritor-Rockwell MR2014X Front Differential for a 2023 Peterbilt 579 Contact for price 2023 Meritor Rockwell MR20-14T Rear Rear Differential Assembly 2.79 Ratio - Capacity: 20,000 lbs. - Used - May have some cosmetic blemishes (see photos). Got questions or need more... ConditionUsedRear End2.79 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock NumberPT-0837-6 MLS Number12738559CategoryDifferentials, Front Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Meritor-Rockwell MT-40-14X Front Differential for a 2017 Peterbilt 579 Contact for price 2017 PETE 579 FRONT REAR MERITOR MT40-14X., 2.64 RATIO, WITH LOCK, Serial#: NA, Ratio: 2.64, Casting#: NA ConditionUsedRear End2.64 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2017Stock Number3879-PETE-1 MLS Number13927862CategoryDifferentials, Front Last Updated5/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info