1 0 Meritor-Rockwell MT40-14X Rear Differential for a 2024 Peterbilt 579 Newly Listed $1,495 USD LOW MILE TAKEOUT,LOCKER (20-145 STYLE CASE) 90 DAY WARRANTY EXCHANGE, Serial#: NA, Core Charge: 750.00, Ratio: 3.08, Casting#: NA ConditionUsedRear End3.08 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2024Part Number20-14XStock Number110524-5 MLS Number13992296CategoryDifferentials, Rear Last Updated11/20/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
7 0 Meritor-Rockwell MR2014X Rear Differential for a Peterbilt 579 $400 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 Updated11/11/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 2020 Meritor-Rockwell MR2014X Rear Differential for a Peterbilt 579 $400 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 Updated11/11/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 Meritor-Rockwell RR26160 Rear Differential for a 2018 Peterbilt 579 Contact for price (Used) 2018 Peterbilt 579, COMPLETE DIFFERENTIAL GEARS ONLY- Part Number: 3200S1891, Serial Number: TBD, Make: Meritor, Model: RR26160, Ratio: 2.50, Capacity: 22,700 Lbs, Reference images... ConditionUsedRear End2.50 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2018Part Number3200S1891Stock NumberP-113680 MLS Number13968778CategoryDifferentials, Rear Last Updated11/6/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Meritor-Rockwell Rear Differential for a 2020 Peterbilt 579 $1,000 USD GOOD USED, Core Charge: 500, Ratio: 2.85 ConditionUsedRear End2.85 ratioFits To Make(s)PETERBILTFits To Model(s)579Will Fit Year(s)2020Stock Number2A2E56639 MLS Number13768879CategoryDifferentials, Rear Last Updated11/6/2025 LocationSte-Julie, QC, Canada Sold ByCamions Lussier-Lussicam inc. (844) 503-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 Meritor-Rockwell MD2014X Rear Differential for a 2020 Peterbilt 579 Contact for price Ratio: 2.85 ConditionUsedRear End2.85 ratioFits To Make(s)PETERBILTFits To Model(s)579Will Fit Year(s)2020Stock Number2A1E56639 MLS Number13768876CategoryDifferentials, Rear Last Updated11/6/2025 LocationSte-Julie, QC, Canada Sold ByCamions Lussier-Lussicam inc. (844) 503-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Meritor-Rockwell MT40-14X Rear Differential for a 2017 Peterbilt 579 Contact for price 2017 PETE 579 REAR REAR MERITOR MT40-14X DIFF WITH 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-2 MLS Number13927863CategoryDifferentials, Rear Last Updated10/24/2025 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 Meritor-Rockwell RS23161 Rear Differential for a 2018 Peterbilt 579 Contact for price (Used) 2018 Peterbilt 579, COMPLETE DIFFERENTIAL GEARS ONLY- Part Number: C05-2A040113A10280, Serial Number: F0R04578702, Make: Meritor, Model: RS23-161, Ratio: 2.80, Capacity: 22,700 Lbs,... ConditionUsedRear End2.80 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2018Part NumberC05-2A040113A10280Stock NumberP-113275 MLS Number13916216CategoryDifferentials, Rear Last Updated10/23/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 Meritor-Rockwell MR2014X Rear Differential for a 2020 Peterbilt 579 $1,000 USD GOOD USED, Core Charge: 500, Ratio: 3.08 ConditionUsedRear End3.08 ratioFits To Make(s)PETERBILTFits To Model(s)579Will Fit Year(s)2020Stock Number2A2E56809 MLS Number13864236CategoryDifferentials, Rear Last Updated10/5/2025 LocationSte-Julie, QC, Canada Sold ByCamions Lussier-Lussicam inc. (844) 503-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Meritor-Rockwell MT40-14X Rear Differential for a 2015 Peterbilt 579 Contact for price 2015 PETE 579 MERITOR MT14-40X REAR REAR DIFF, 3.90 RATIO, NO LOCKS, ABS, DRUM BRAKE, 40000 LBS, Serial#: NA, Ratio: 3.90, Casting#: NA ConditionUsedRear End3.90 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2015Stock Number3858-PETE-5 MLS Number13749028CategoryDifferentials, Rear Last Updated8/8/2025 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 Meritor-Rockwell MT40-14X Rear Differential for a 2023 Peterbilt 579 $1,695 USD 20-14X 2.85 RATIO LOW MILE, WILL INSPECT IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 2.85 ConditionUsedRear End2.85 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-3 MLS Number13727250CategoryDifferentials, Rear Last Updated7/30/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 Meritor-Rockwell RT20160 Rear Differential for a 2015 Peterbilt 579 Contact for price MILES 562802, Ratio: 373 ConditionUsedRear End3.73 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2015Stock Number284918-5 MLS Number13682935CategoryDifferentials, Rear Last Updated7/3/2025 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 Meritor-Rockwell 20-14X Rear Differential for a 2017 Peterbilt 579 $895 USD 20-14X 2.64 WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 2.64 ConditionUsedRear End2.64 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2017Part Number20-14XStock Number51925-4 MLS Number13634621CategoryDifferentials, Rear Last Updated6/10/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 Meritor-Rockwell MRL2014X Rear Differential for a 2017 Peterbilt 579 Contact for price Ratio: 2.64 ConditionUsedRear End2.64 ratioFits To Make(s)PETERBILTFits To Model(s)579Will Fit Year(s)2017Stock Number2A2E56281 MLS Number13487820CategoryDifferentials, Rear Last Updated3/30/2025 LocationSte-Julie, QC, Canada Sold ByCamions Lussier-Lussicam inc. (844) 503-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Meritor-Rockwell 20-14X Rear Differential for a 2018 Peterbilt 579 $895 USD 20-14X 3.42 LOW MILE INSPECTED TAKEOUT 90 DAY WARRANTY, Ratio: 3.42 ConditionUsedRear End3.42 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2018Stock Number122219-7 MLS Number10037971CategoryDifferentials, Rear Last Updated1/19/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 Meritor-Rockwell 20-14X Rear Differential for a 2016 Peterbilt 579 $695 USD 20-14X 2.79 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 2.79 ConditionUsedRear End2.79 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2016Stock Number120920-8 MLS Number10616358CategoryDifferentials, Rear Last Updated1/17/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
9 0 Meritor-Rockwell RS23161 Rear Differential for a 2019 Peterbilt 579 Contact for price (Used) 2019 Peterbilt 579, COMPLETE DIFFERENTIAL GEARS ONLY- Part Number: C05-2A0401CHA10358, Serial Number: F0R05278769, Make: Meritor, Model: RS23-161, Ratio: 3.58, Capacity: 21,000 Lbs,... ConditionUsedRear End3.58 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2019Part NumberC05-2A0401CHA10358Stock NumberP-89033 MLS Number13147321CategoryDifferentials, Rear Last Updated10/1/2024 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Meritor-Rockwell 20-14X Rear Differential for a 2017 Peterbilt 579 $695 USD 20-14X 3.08 GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Core Charge: 350.00, Ratio: 3.08 ConditionUsedRear End3.08 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2017Stock Number70924-2 MLS Number12988096CategoryDifferentials, Rear Last Updated1/16/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Meritor-Rockwell 20-14X Rear Differential for a 2023 Peterbilt 579 $1,095 USD 20-14X 2.85, 151K MILES, INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 2.85 ConditionUsedRear End2.85 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number62424-4 MLS Number12957111CategoryDifferentials, Rear Last Updated6/27/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 Meritor-Rockwell RSL23161 Rear Differential for a 2020 Peterbilt 579 $1,495 USD RRL23-161 2.80 LOCKER, 166K MILES, INSPECTED IN OUR GEAR SHOP, 90 DAY WARANTY, Ratio: 2.80 ConditionUsedRear End2.80 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number60624-3 MLS Number12924246CategoryDifferentials, Rear Last Updated6/9/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Meritor-Rockwell 20-14X Rear Differential for a 2019 Peterbilt 579 $695 USD 20-14X 3.08 GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 300.00, Ratio: 3.08 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2019Part Number20-14XStock Number40824-3 MLS Number12779283CategoryDifferentials, Rear Last Updated1/16/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
12 0 Meritor-Rockwell MD2014X Rear Differential for a 2023 Peterbilt 579 Contact for price Meritor Rockwell MD20-14T Front Rear Differential Assembly For Sale 2.79 Ratio - Capacity: 20,000 lbs. - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email... ConditionUsedRear End2.79 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock NumberPT-0837-7 MLS Number12738560CategoryDifferentials, Rear Last Updated6/30/2024 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 Meritor-Rockwell Rear Differential for a 2019 Peterbilt 579 $3,000 USD (Used) 2019 Peterbilt 579, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Make: Meritor/Rockwell, Model: MV2014P3DFRNN13-264, Serial Number: FORO5147366, Part Number: C7-1A01A2000C92H20, Ratio: 2.64... ConditionUsedRear End2.64 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2019Part NumberC7-1A01A2000C92H20Stock NumberP-47054 MLS Number12029375CategoryDifferentials, Rear Last Updated6/27/2024 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 Meritor-Rockwell MT40-14X Rear Differential for a 2017 Peterbilt 579 Contact for price (Used) 2017 Peterbilt 579, REAR DIFFERENTIAL GEARS ONLY- Make: Meritor, Model: MT4014X, Ratio: 3.08, Capacity: 20,000 Lbs, Part Number: C05-2F010349A00308, Serial Number: FOR04051499,... ConditionUsedRear End3.08 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2017Part NumberC05-2F010349A00308Stock NumberP-46024 MLS Number12013608CategoryDifferentials, Rear Last Updated12/18/2023 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 Meritor-Rockwell 20-14X Rear Differential for a 2020 Peterbilt 579 $995 USD 20-14X RR 2.85 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 2.85 ConditionUsedRear End2.85 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number90722-9 MLS Number11607573CategoryDifferentials, Rear Last Updated12/18/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info