View 0 Photos View 0 Videos 2015 Rockwell MR20-14X Rear Differential for a Peterbilt 579 Recently Updated $950 USD GTO ConditionUsedRear End3.42 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number24658 MLS Number10535078CategoryDifferentials, Rear Last Updated10/12/2026 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2017 Rockwell MR20-14X Rear Differential for a Peterbilt 579 Recently Updated $950 USD ROCKWELL MERITOR REAR REAR 14X 2.64 AMBOID PINION ConditionUsedFits To Make(s)PETERBILTFits To Model(s)579Stock Number28478 MLS Number14492164CategoryDifferentials, Rear Last Updated10/12/2026 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2015 Eaton RSP40 Rear Differential for a Peterbilt 579 Recently Updated Contact for price GTO ConditionUsedRear End3.08 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number26936 MLS Number12222818CategoryDifferentials, Rear Last Updated10/12/2026 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2020 Paccar MR2014P Rear Differential for a Peterbilt 579 $1,628 USD (USED) Paccar MR2014P Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200V2544 Ref# N/A ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Part NumberN/AStock Number26045667 MLS Number14598111CategoryDifferentials, Rear Last Updated10/2/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2024 Meritor MFS-12E Front Axle Assembly for a Peterbilt 579 $1,090 USD (USED) Meritor MFS-12E Rating: 12000 Brake Type: AIR DISC Spring Center: 34 Wheel Type: 10 BOLT PILOT ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number26068703 MLS Number14612077CategoryAxle Assemblies, Front Last Updated10/2/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2020 Meritor MFS-12E Front Axle Assembly for a Peterbilt 579 $1,090 USD (USED) Meritor MFS-12E Rating: 12350 Brake Type: AIR DISC Spring Center: 34 Wheel Type: 10 BOLT PILOT ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number26070611 MLS Number14615405CategoryAxle Assemblies, Front Last Updated10/2/2026 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 RSP40 Rear Differential for a Peterbilt 579 $795 USD USED EATON RSP40 REAR DIFFERENTIAL ASSEMBLY - RATIO: 2.64 ConditionUsedRear End2.64 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number84830 MLS Number12832171CategoryDifferentials, Rear Last Updated10/2/2026 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2023 Eaton RSP41 Rear Differential for a Peterbilt 579 $795 USD USED EATON RSP41 (REAR) REAR DIFFERENTIAL, RATIO 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number98650 MLS Number13344824CategoryDifferentials, Rear Last Updated10/2/2026 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2020 Rockwell MR2014E Rear Differential for a Peterbilt 579 Contact for price USED ROCKWELL MR2014E REAR DIFFERENTIAL ASSEMBLY - RATIO: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number90373 MLS Number12835256CategoryDifferentials, Rear Last Updated10/2/2026 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2020 Rockwell MD2014E Front Differential for a Peterbilt 579 Contact for price USED ROCKWELL MD2014E FRONT DIFFERENTIAL ASSEMBLY - RATIO: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number90372 MLS Number12835255CategoryDifferentials, Front Last Updated10/2/2026 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2020 Meritor MFS-12E Front Axle Assembly for a Peterbilt 579 $1,090 USD (USED) Meritor MFS-12E Rating: 12000 Brake Type: AIR DISC Spring Center: 34 Wheel Type: 10 BOLT PILOT ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number26073180 MLS Number14632047CategoryAxle Assemblies, Front Last Updated9/30/2026 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 MFS-13 Front Axle Assembly for a Peterbilt 579 $1,090 USD (USED) Meritor MFS-13 Rating: 13200 Brake Type: AIR DRUM Spring Center: 34.5 Wheel Type: 10 BOLT PILOT ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number26073469 MLS Number14632022CategoryAxle Assemblies, Front Last Updated9/30/2026 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 Eaton RDP41 Rear Differential for a Peterbilt 579 $1,534 USD (USED) Eaton RDP41 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: YES Cast#: CANNOT VERIFY YOKE IS SLIGHTLY TORCHED ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number26073481 MLS Number14632020CategoryDifferentials, Rear Last Updated9/30/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2019 Meritor MFS-12E Front Axle Assembly for a Peterbilt 579 $1,090 USD (USED) Meritor MFS-12E Rating: 12000 Brake Type: AIR DISC Spring Center: 33 Wheel Type: 10 BOLT PILOT MFS-12E, HAS ABS, NON-UNITIZED; does not include calipers ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25989123 MLS Number14398555CategoryAxle Assemblies, Front Last Updated9/25/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2019 Eaton RSP40 Rear Differential for a Peterbilt 579 $350 USD (USED) Eaton RSP40 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A Ref# 771604 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Part Number771604Stock Number26060469 MLS Number14625451CategoryDifferentials, Rear Last Updated9/25/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2019 Eaton DSP40 Front Differential for a Peterbilt 579 $1,372 USD (USED) Eaton DSP40 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 132038 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number26060460 MLS Number14615515CategoryDifferentials, Front Last Updated9/20/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2018 Meritor MFS-12 Front Axle Assembly for a Peterbilt 579 $1,028 USD (USED) Meritor MFS-12 Rating: 12000 Brake Type: AIR DISC Spring Center: 33 Wheel Type: 10 BOLT PILOT UNKNOWN MERITOR ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25936939 MLS Number14146278CategoryAxle Assemblies, Front Last Updated9/12/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2016 Eaton E-1322W Front Axle Assembly for a Peterbilt 579 $1,816 USD (USED) Eaton E-1322W Rating: 13200 Brake Type: AIR DRUM Spring Center: 34 Wheel Type: 10 BOLT PILOT 1462TB100, ABS ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25984273 MLS Number14332131CategoryAxle Assemblies, Front Last Updated9/12/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2017 Meritor MFS-12 Front Axle Assembly for a Peterbilt 579 $1,028 USD (USED) Meritor MFS-12 Rating: 12000 Brake Type: AIR DISC Spring Center: 34 Wheel Type: 10 BOLT PILOT ABS ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25982647 MLS Number14327324CategoryAxle Assemblies, Front Last Updated9/11/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2019 Spicer D-1321IL Front Axle Assembly for a Peterbilt 579 $786 USD (USED) Spicer D-1321IL Rating: 13200 Brake Type: AIR DISC Spring Center: 34 Wheel Type: 10 BOLT PILOT 693906, ABS ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number26060440 MLS Number14598044CategoryAxle Assemblies, Front Last Updated9/11/2026 LocationSioux Falls, SD, 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_02 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25792531 MLS Number14572933CategoryDifferentials, Front Last Updated8/29/2026 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 Meritor MFS-12 Front Axle Assembly for a Peterbilt 579 $1,028 USD (USED) Meritor MFS-13 Rating: 13200 Brake Type: AIR DISC Spring Center: 34 Wheel Type: 10 BOLT PILOT MFS-13, HAS ABS, NON-UNITIZED ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25940459 MLS Number14168270CategoryAxle Assemblies, Front Last Updated9/4/2026 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 S23-190D Rear Differential for a Peterbilt 579 $450 USD (USED) Eaton S23-190D Ratio: 2.69 Side Gear Splines: 46 W/ Locker: YES Cast#: - ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number26052087 MLS Number14558562CategoryDifferentials, Rear Last Updated8/22/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2022 Meritor MFS-13 Front Axle Assembly for a Peterbilt 579 $1,028 USD (USED) Meritor MFS-13 Rating: 13200 Brake Type: AIR DRUM Spring Center: 34 Wheel Type: 10 BOLT PILOT HAS ABS, NON-UNITIZED ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number26053661 MLS Number14558519CategoryAxle Assemblies, Front Last Updated8/28/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2018 Meritor RS23160 Rear Differential for a Peterbilt 579 $650 USD (USED) Meritor RS23160 Ratio: 2.67 Side Gear Splines: 46 W/ Locker: YES Cast#: 3200S1891 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25962573 MLS Number14246770CategoryDifferentials, Rear Last Updated8/12/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info