View 4 Photos View 0 Videos Meritor-Rockwell MP2014X Front Differential for a Peterbilt 579 Recently Updated $850 USD MP2014X - 3.42 Ratio - Pullout - P/N MP2014X342. DIFF ONLY, HOUSING SOLD SEPARATELY. ConditionUsedRear End3.42 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number1817-3 MLS Number13895984CategoryDifferentials, Front Last Updated2/18/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2021 Rockwell MD2014X Front Differential for a Peterbilt 579 $1,795 USD USED ROCKWELL MD2014X (LOCKER) FRONT REAR DIFFERENTIAL/3.25 RATIO ConditionUsedRear End3.25 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number97892 MLS Number13226073CategoryDifferentials, Front Last Updated1/29/2026 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2016 Eaton DSP40 Front Differential for a Peterbilt 579 $1,185 USD (USED) Eaton DSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 1312038 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25796062 MLS Number13604297CategoryDifferentials, Front Last Updated1/28/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2019 Meritor MD2014X Front Differential for a Peterbilt 579 $850 USD (USED) Meritor MD2014X Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: Could Not Verify ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25806524 MLS Number13686012CategoryDifferentials, Front Last Updated12/31/2025 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2020 Meritor MD2014X Front Differential for a Peterbilt 579 $950 USD (USED) Meritor MD2014X Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200J2220 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25670892 MLS Number12989015CategoryDifferentials, Front Last Updated12/29/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2023 Meritor MD2014H Front Differential for a Peterbilt 579 $1,150 USD (USED) Meritor MD2014H Ratio: 2.79 Side Gear Splines: 41 W/ Locker: NO Cast#: VERIFY ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25689687 MLS Number13080601CategoryDifferentials, Front Last Updated12/19/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton D40-155 Front Differential for a 2020 Peterbilt 579 $2,695 USD D40-155 FRT 2.64 RATIO GOOD INSPECTED TAKEOUT, Ratio: 2.64 ConditionUsedRear End2.64 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number120125-4 MLS Number14015442CategoryDifferentials, Front Last Updated12/4/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2015 Meritor RD20145 Front Differential for a Peterbilt 579 $1,015 USD (USED) Meritor RD20145 Ratio: 3.21 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200-M-1859 Ref# 3200-M-1859 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Part Number3200-M-1859Stock Number25660452 MLS Number13198410CategoryDifferentials, Front Last Updated11/14/2025 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2016 Meritor MD2014X Front Differential for a Peterbilt 579 $1,250 USD (USED) Meritor MD2014X Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200-J-2220 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25638304 MLS Number12863221CategoryDifferentials, Front Last Updated11/6/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2021 Meritor MD2014X Front Differential for a Peterbilt 579 $925 USD (USED) Meritor MD2014X Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200-J-2220 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25791922 MLS Number13558677CategoryDifferentials, Front Last Updated5/5/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2017 Meritor MD2014X Front Differential for a Peterbilt 579 $1,350 USD (USED) Meritor MD2014X Ratio: OTHER Side Gear Splines: 41 W/ Locker: No Cast#: VERIFY ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25185590 MLS Number12335037CategoryDifferentials, Front Last Updated10/31/2024 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2017 Meritor MD2014X Front Differential for a Peterbilt 579 $950 USD (USED) Meritor MD2014X Ratio: 2.47 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200J2220 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25406922 MLS Number12110588CategoryDifferentials, Front Last Updated8/29/2024 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2016 Eaton DSP40 Front Differential for a Peterbilt 579 Price Drop $1,185 USD (USED) Eaton DSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 132038 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25837867 MLS Number13737631CategoryDifferentials, Front Last Updated2/12/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2017 Meritor MD2014X Front Differential for a Peterbilt 579 $845 USD (USED) Meritor MD2014X Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200J2220 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25908612 MLS Number14054485CategoryDifferentials, Front Last Updated2/8/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2017 Meritor MD2014X Front Differential for a Peterbilt 579 $950 USD (USED) Meritor MD2014X Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: Could Not Verify yoke shield is band ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25909977 MLS Number14040409CategoryDifferentials, Front Last Updated2/8/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2016 Eaton DSP40 Front Differential for a Peterbilt 579 $1,150 USD (USED) Eaton DSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: 132038 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25899398 MLS Number13997361CategoryDifferentials, Front Last Updated2/7/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Meritor MP2014X Front Differential for a Peterbilt 579 $1,996 USD (USED) Meritor MP2014X Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200J2220 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25935647 MLS Number14130328CategoryDifferentials, Front Last Updated2/7/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2019 Meritor MD2014X Front Differential for a Peterbilt 579 $850 USD (USED) Meritor MD2014X Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200J2220 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25928802 MLS Number14113555CategoryDifferentials, Front Last Updated1/29/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2017 Eaton DSP41 Front Differential for a Peterbilt 579 $1,372 USD (USED) Eaton DSP41 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 132038 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25871745 MLS Number13860787CategoryDifferentials, Front Last Updated1/23/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2020 Paccar MV2014P Front Differential for a Peterbilt 579 $2,640 USD (USED) Paccar MV2014P Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: VERIFY ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25890899 MLS Number14019897CategoryDifferentials, Front Last Updated12/6/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2017 Eaton DDP41 Front Differential for a Peterbilt 579 $2,238 USD (USED) Eaton DDP41 Ratio: 2.85 Side Gear Splines: 41 W/ Locker: YES Cast#: 132043 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25904922 MLS Number14006681CategoryDifferentials, Front Last Updated12/4/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2017 Eaton DDP41 Front Differential for a Peterbilt 579 $2,238 USD (USED) Eaton DDP41 Ratio: 2.85 Side Gear Splines: 41 W/ Locker: YES Cast#: 132043 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25903305 MLS Number14005621CategoryDifferentials, Front Last Updated12/4/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2016 Eaton DSP40 Front Differential for a Peterbilt 579 $1,675 USD (USED) Eaton DSP40 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 129572 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25851911 MLS Number13789547CategoryDifferentials, Front Last Updated11/27/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Meritor-Rockwell MT40-14X 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 Updated10/24/2025 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2015 Eaton DSP40 Front Differential for a Peterbilt 579 $1,675 USD (USED) Eaton DSP40 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 132038 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25882499 MLS Number13904955CategoryDifferentials, Front Last Updated10/17/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info