View 5 Photos View 0 Videos Eaton-Spicer RDP41 Rear Differential for a 2016 Peterbilt 579 $700 USD GOOD USED, Core Charge: 0, Ratio: 2.93 ConditionUsedRear End2.93 ratioFits To Make(s)PETERBILTFits To Model(s)579Will Fit Year(s)2016Stock Number2A2E55227 MLS Number12669078CategoryDifferentials, Rear Last Updated3/12/2026 LocationSte-Julie, QC, Canada Sold ByCamions Lussier-Lussicam inc. (844) 503-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton-Spicer DSP41 Front Differential for a 2016 Peterbilt 579 $1,500 USD GOOD USED, Core Charge: 450, Ratio: 2.93 ConditionUsedRear End2.93 ratioFits To Make(s)PETERBILTFits To Model(s)579Will Fit Year(s)2016Stock Number2A1E55227 MLS Number12669074CategoryDifferentials, Front Last Updated3/12/2026 LocationSte-Julie, QC, Canada Sold ByCamions Lussier-Lussicam inc. (844) 503-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2020 Paccar DX40 (MR2014P) Rear Differential for a Peterbilt 579 $1,500 USD DX40 Rear (MR2014P) - 2.64 Ratio - Pullout - DIFF ONLY, HOUSING SOLD SEPARATELY ConditionUsedRear End2.64 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number2028-21 MLS Number13903530CategoryDifferentials, Rear Last Updated2/26/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Meritor-Rockwell MR2014X Rear Differential for a Peterbilt 579 $500 USD MR2014X - 3.42 Ratio - Pullout - Grade A - Unit In Good Condition. ConditionUsedRear End3.42 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number1817-4 MLS Number13895985CategoryDifferentials, Rear Last Updated2/26/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2020 Meritor-Rockwell MR2014X Rear Differential for a Peterbilt 579 $500 USD MR2014X - 3.42 Ratio - Pullout - Grade A - Unit In Good Condition. ConditionUsedRear End3.42 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number998-4 MLS Number13889213CategoryDifferentials, Rear Last Updated2/26/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2020 Meritor MR2014X Rear Differential for a Peterbilt 579 $325 USD (USED) Meritor MR2014X Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200F221602 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25670893 MLS Number12989016CategoryDifferentials, Rear Last Updated2/26/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2016 Meritor-Rockwell MR2014X Rear Axle Housing for a Peterbilt 579 $850 USD Meritor Rear Axle Housing, MR2014X, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, ABS, 53.5" Inner Flange To Inner Flange.STD Track. P/N E673121P1966. Removed From 2016 Peterbilt... ConditionUsedFits To Make(s)PETERBILTFits To Model(s)579Stock Number958-20 MLS Number14050859CategoryAxle Housings, Rear Last Updated2/25/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2016 Meritor-Rockwell RS21160 Rear Axle Housing for a Peterbilt 579 $850 USD Meritor Rear Axle Housing, RS21160, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, ABS. P/N RS21160NFNN449342, C223121Z1872, S/N FOR03625831. Removed From 2016 Reyco Air Suspension.... ConditionUsedFits To Make(s)PETERBILTFits To Model(s)579Stock Number1812-4 MLS Number13895926CategoryAxle Housings, Rear Last Updated2/25/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2019 Meritor MFS-12E Front Axle Assembly for a Peterbilt 579 $1,028 USD (USED) Meritor MFS-12E Rating: 12000 Brake Type: AIR DRUM Spring Center: 33 Wheel Type: 10 BOLT PILOT 86892 ABS ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25628332 MLS Number12776069CategoryAxle Assemblies, Front Last Updated2/14/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2016 Meritor MFS-12E Front Axle Assembly for a Peterbilt 579 $1,028 USD (USED) Meritor MFS-12E Rating: 12000 Brake Type: AIR DISC Spring Center: 34 Wheel Type: 10 BOLT PILOT CAST#3100-U-8601, ABS ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25502244 MLS Number12339467CategoryAxle Assemblies, Front Last Updated2/1/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ 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 3 Photos View 0 Videos 2019 Eaton RSP40 Rear Differential for a Peterbilt 579 $395 USD (USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: NONE Ref# 7012393 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Part Number7012393Stock Number25712985 MLS Number13230922CategoryDifferentials, Rear Last Updated1/16/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2020 Eaton E-1322LW Front Axle Assembly for a Peterbilt 579 $1,375 USD (USED) Eaton E-1322LW Rating: 13200 Brake Type: AIR DRUM Spring Center: 34 Wheel Type: 10 BOLT PILOT CAST # 693906, ABS ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25738272 MLS Number13315398CategoryAxle Assemblies, Front Last Updated1/8/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2016 Meritor MFS-12E Front Axle Assembly for a Peterbilt 579 $1,028 USD (USED) Meritor MFS-12E Rating: 12000 Brake Type: AIR DISC Spring Center: 34 Wheel Type: 10 BOLT PILOT CAST # 3100-U-8601, ABS ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25821574 MLS Number13689205CategoryAxle Assemblies, Front Last Updated1/8/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2018 Meritor MR2014X Rear Differential for a Peterbilt 579 $998 USD (USED) Meritor MR2014X Ratio: 3.42 Side Gear Splines: 41 W/ Locker: YES Cast#: 3200-F-1878 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25526943 MLS Number12393055CategoryDifferentials, Rear Last Updated1/7/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2015 Eaton E-1202W Front Axle Assembly for a Peterbilt 579 $1,028 USD (USED) Eaton E-1202W Rating: 12000 Brake Type: AIR DRUM Spring Center: 33 Wheel Type: 10 BOLT PILOT Ref# 1202TB101 1202TB101, ABS ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Part Number1202TB101Stock Number25400337 MLS Number11963066CategoryAxle Assemblies, Front Last Updated1/2/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2019 Meritor MR2014X Rear Differential for a Peterbilt 579 $375 USD (USED) Meritor MR2014X Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200-F-221602-E Ref# 3200F2216 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Part Number3200F2216Stock Number25807698 MLS Number13686008CategoryDifferentials, Rear Last Updated1/1/2026 LocationSioux Falls, SD, 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 3 Photos View 0 Videos 2016 Eaton RSP41 Rear Differential for a Peterbilt 579 $350 USD (USED) Eaton RSP41 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25540335 MLS Number12450653CategoryDifferentials, Rear Last Updated12/22/2025 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2021 Meritor MR2014X Rear Differential for a Peterbilt 579 $375 USD (USED) Meritor MR2014X Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200F2216 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25791923 MLS Number13558678CategoryDifferentials, Rear Last Updated12/20/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2016 Meritor MR2014X Rear Differential for a Peterbilt 579 $375 USD (USED) Meritor MR2014X Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200-K-1675 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25638305 MLS Number12863222CategoryDifferentials, Rear Last Updated12/13/2025 LocationSpencer, IA, 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 Axle Housing for a 2020 Peterbilt 579 $1,695 USD FRONT AXLE HOUSING D40-155 ON FLEXAIR/AG380 DISC BRAKE ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Part NumberDISC BRAKEStock Number120125-15 MLS Number14015452CategoryAxle Housings, Front Last Updated12/4/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton D40-155 Rear Axle Housing for a 2020 Peterbilt 579 $1,695 USD REAR AXLE HOUSING D40-155 ON FLEXAIR/AG380, Suspension: FLEXAIR ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number120125-16 MLS Number14015451CategoryAxle Housings, Rear Last Updated12/4/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton D40-155 Rear Differential for a 2020 Peterbilt 579 $1,995 USD D40-155 RR 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 Number120125-5 MLS Number14015443CategoryDifferentials, Rear Last Updated12/4/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ 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