View 2 Photos View 0 Videos 2015 Spicer S23-190 Rear Differential for a Peterbilt 579 $375 USD (USED) Spicer S23-190 Ratio: 2.53 Side Gear Splines: 46 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25579302 MLS Number12743486CategoryDifferentials, Rear Last Updated7/26/2024 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2013 Eaton RSP40 Rear Differential for a Peterbilt 579 $350 USD (USED) Eaton RSP40 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25651454 MLS Number12881756CategoryDifferentials, Rear Last Updated5/20/2024 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2019 Rockwell MR2014X Rear Differential for a Peterbilt 579 $350 USD USED ROCKWELL MR2014X REAR REAR DIFFERENTIAL/2.64 RATIO ConditionUsedRear End2.64 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number90811 MLS Number12835579CategoryDifferentials, Rear Last Updated1/24/2026 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2022 Rockwell MR2014P Rear Differential for a Peterbilt 579 Contact for price USED ROCKWELL MR2014P REAR REAR DIFFERENTIAL/2.79 RATIO ConditionUsedRear End2.79 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number90608 MLS Number12835430CategoryDifferentials, Rear Last Updated5/2/2024 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Rockwell MR2014X Rear Differential for a Peterbilt 579 $350 USD USED ROCKWELL/MERITOR MR2014X REAR REAR DIFFERENTIAL/3.25 RATIO ConditionUsedRear End3.25 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number87550 MLS Number12833493CategoryDifferentials, Rear Last Updated1/24/2026 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 2018 Meritor RS23160 Rear Differential for a Peterbilt 579 Recently Updated $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
View 0 Photos View 0 Videos 2014 Eaton RSP40 Rear Differential for a Peterbilt 579 $395 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 Ref# 511329 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Part Number511329Stock Number26032394 MLS Number14483296CategoryDifferentials, Rear Last Updated8/5/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton-Spicer RSP41 Rear Differential for a 2015 Peterbilt 579 $700 USD GOOD USED, Core Charge: 0, Ratio: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)PETERBILTFits To Model(s)579Will Fit Year(s)2015Stock Number2A2E58997 MLS Number14509475CategoryDifferentials, Rear Last Updated8/1/2026 LocationSte-Julie, QC, Canada Sold ByCamions Lussier-Lussicam inc. (844) 503-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton-Spicer RSP41 Rear Differential for a 2015 Peterbilt 579 $700 USD GOOD USED, Core Charge: 0, Ratio: 3.70 ConditionUsedRear End3.70 ratioFits To Make(s)PETERBILTFits To Model(s)579Will Fit Year(s)2015Stock Number2A2E58837 MLS Number14509446CategoryDifferentials, Rear Last Updated7/28/2026 LocationSte-Julie, QC, Canada Sold ByCamions Lussier-Lussicam inc. (844) 503-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Spicer DSP41 Rear Differential for a 2015 Peterbilt 579 $1,500 USD GOOD USED, Core Charge: 450, Ratio: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)PETERBILTFits To Model(s)579Will Fit Year(s)2015Stock Number2A1E58997 MLS Number14509437CategoryDifferentials, Rear Last Updated8/1/2026 LocationSte-Julie, QC, Canada Sold ByCamions Lussier-Lussicam inc. (844) 503-___ 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#: 3200-S-1891 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number26037415 MLS Number14506127CategoryDifferentials, Rear Last Updated7/25/2026 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 Rockwell MR20-14X Rear Differential for a Peterbilt 579 $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 Updated7/18/2026 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2023 Meritor MR2014E Rear Differential for a Peterbilt 579 $1,995 USD (USED) Meritor MR2014E Ratio: 2.79 Side Gear Splines: 41 W/ Locker: NO Cast#: V2544 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number26022775 MLS Number14454062CategoryDifferentials, Rear Last Updated6/27/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2022 Paccar MR2014P Rear Differential for a Peterbilt 579 $2,000 USD PACCAR REAR 2.65 RATIO ConditionUsedRear End2.65 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number28443 MLS Number14446749CategoryDifferentials, Rear Last Updated6/24/2026 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2017 Eaton RSP40 Rear Differential for a Peterbilt 579 $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number26005182 MLS Number14396396CategoryDifferentials, Rear Last Updated6/5/2026 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 MR2014X Rear Differential for a Peterbilt 579 $998 USD (USED) Meritor MR2014X Ratio: 2.64 Side Gear Splines: 41 W/ Locker: YES Cast#: 3200-F-1676 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number26009415 MLS Number14409560CategoryDifferentials, Rear Last Updated6/5/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2014 Eaton RSP40 Rear Differential for a Peterbilt 579 $395 USD (USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: NFDI11F3 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25996356 MLS Number14371283CategoryDifferentials, Rear Last Updated5/24/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2021 Paccar MR2014P Rear Differential for a Peterbilt 579 $2,058 USD (USED) Paccar MR2014P Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: V2544 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25997657 MLS Number14373845CategoryDifferentials, Rear Last Updated5/16/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential for a 2014 Peterbilt 579 $895 USD Good low mile diff 90 day warr. Ext warr available, Ratio: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2014Stock Number3615-10 MLS Number9001110CategoryDifferentials, Rear Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Spicer RSP41 Rear Differential for a 2015 Peterbilt 579 Contact for price Ratio: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)PETERBILTFits To Model(s)579Will Fit Year(s)2015Stock Number2A1E55932 MLS Number13675799CategoryDifferentials, Rear Last Updated5/14/2026 LocationSte-Julie, QC, Canada Sold ByCamions Lussier-Lussicam inc. (844) 503-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton DSP40 Rear Differential for a 2015 Peterbilt 579 Contact for price DOUBLE LOCKS, 3.55 RATIO, 40,000LBS,, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2015Stock Number2826-PETE-4 MLS Number13341554CategoryDifferentials, Rear Last Updated5/13/2026 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 RSP40 Rear Differential for a Peterbilt 579 $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25993513 MLS Number14359458CategoryDifferentials, Rear Last Updated5/9/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2016 Eaton RDP41 Rear Differential for a Peterbilt 579 $1,534 USD (USED) Eaton RDP41 Ratio: 2.85 Side Gear Splines: 41 W/ Locker: YES Cast#: VERIFY Ref# 511463 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Part Number511463Stock Number25984302 MLS Number14332122CategoryDifferentials, Rear Last Updated4/25/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 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 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