View 3 Photos View 0 Videos Meritor-Rockwell 20-14X Rear Differential for a 2023 Peterbilt 579 Recently Updated $995 USD 20-14X 2.79 RR INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 279 ConditionUsedRear End2.79 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number20426-4 MLS Number14135970CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Meritor-Rockwell RRL23-160 Rear Differential for a 2020 Peterbilt 579 Recently Updated $1,695 USD RRL23161 2.67 LOCKER,INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 2.67 ConditionUsedRear End2.67 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number112025-4 MLS Number14004422CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell MT-40-14X Rear Differential for a 2024 Peterbilt 579 Recently Updated $1,495 USD LOW MILE TAKEOUT,LOCKER (20-145 STYLE CASE) 90 DAY WARRANTY EXCHANGE, Serial#: NA, Core Charge: 750, 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 Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell MT-40-14X Rear Differential for a 2023 Peterbilt 579 Recently Updated $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 Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell 20-14X Rear Differential for a 2017 Peterbilt 579 Recently Updated $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 Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Meritor-Rockwell 20-14X Rear Differential for a 2017 Peterbilt 579 Recently Updated $695 USD 20-14X 3.08 GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Core Charge: 350, 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 Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Meritor-Rockwell 20-14X Rear Differential for a 2023 Peterbilt 579 Recently Updated $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 Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2020 Meritor MR2014X Rear Differential for a Peterbilt 579 $998 USD (USED) Meritor MR2014X Ratio: VERIFY Side Gear Splines: 41 W/ Locker: YES Cast#: - ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25928373 MLS Number14228292CategoryDifferentials, Rear Last Updated3/7/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2019 Meritor MR2014X Rear Differential for a Peterbilt 579 $360 USD (USED) Meritor MR2014X Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200-F-2216 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25954346 MLS Number14225917CategoryDifferentials, Rear Last Updated3/6/2026 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 Spicer S23-190D Rear Differential for a Peterbilt 579 $375 USD (USED) Spicer S23-190D Ratio: 2.69 Side Gear Splines: 46 W/ Locker: YES Cast#: - ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25886243 MLS Number14014847CategoryDifferentials, Rear Last Updated2/7/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2018 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 Number25799962 MLS Number13815216CategoryDifferentials, Rear Last Updated12/31/2025 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2023 Meritor MR2014X Rear Differential for a Peterbilt 579 $435 USD (USED) Meritor MR2014X Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: V2544 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25898677 MLS Number14021010CategoryDifferentials, Rear Last Updated12/18/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2017 Meritor RS23160 Rear Differential for a Peterbilt 579 $650 USD (USED) Meritor RS23160 Ratio: 2.67 Side Gear Splines: 46 W/ Locker: YES Cast#: 3200-s-1891 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25896151 MLS Number13998664CategoryDifferentials, Rear Last Updated12/4/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2017 Meritor RS23160 Rear Differential for a Peterbilt 579 $650 USD (USED) Meritor RS23160 Ratio: 2.67 Side Gear Splines: 46 W/ Locker: YES Cast#: 3200-S-1891 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25901329 MLS Number14005660CategoryDifferentials, Rear Last Updated11/28/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2017 Eaton RSP41 Rear Differential for a Peterbilt 579 $350 USD (USED) Eaton RSP41 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25871754 MLS Number13860785CategoryDifferentials, Rear Last Updated11/26/2025 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 MR2014P Rear Differential for a Peterbilt 579 $2,000 USD GOOD USED TAKEOUT ConditionUsedRear End2.64 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number28011 MLS Number13619428CategoryDifferentials, Rear Last Updated12/15/2025 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ 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: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number93098 MLS Number12837211CategoryDifferentials, Rear Last Updated9/30/2025 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 Updated8/15/2025 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 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 Updated8/15/2025 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 2016 Meritor MR2014X Rear Differential for a Peterbilt 579 $435 USD (USED) Meritor MR2014X Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200F2216 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25844210 MLS Number13761853CategoryDifferentials, Rear Last Updated8/15/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2017 Meritor RR20145 Rear Differential for a Peterbilt 579 $295 USD (USED) Meritor RR20145 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200L1884 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25776819 MLS Number13740167CategoryDifferentials, Rear Last Updated8/4/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2019 Rockwell MR2014P Rear Differential for a Peterbilt 579 $2,500 USD ConditionUsedRear End2.79 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number99193 MLS Number13599625CategoryDifferentials, Rear Last Updated5/22/2025 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 Updated5/10/2025 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 2015 Eaton RSP40 Rear Differential for a Peterbilt 579 Contact for price GTO ConditionUsedRear End3.08 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number26936 MLS Number12222818CategoryDifferentials, Rear Last Updated12/15/2025 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2015 Rockwell MR20-14X Rear Differential for a Peterbilt 579 $950 USD GTO ConditionUsedRear End3.42 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number24658 MLS Number10535078CategoryDifferentials, Rear Last Updated12/15/2025 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info