View 3 Photos View 0 Videos 2016 Eaton RSP41 Rear Differential for a Peterbilt 579 $395 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 Updated6/24/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP41 Rear Differential for a 2018 Peterbilt 579 $595 USD RSP41 3.25 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.25 ConditionUsedRear End3.25 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2018Stock Number122523-4 MLS Number12553174CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2016 Eaton RSP41 Rear Differential for a Peterbilt 579 $360 USD (USED) Eaton RSP41 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25391280 MLS Number12040041CategoryDifferentials, Rear Last Updated6/20/2025 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 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#: COULD NOT VERIFY ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25419517 MLS Number12050396CategoryDifferentials, Rear Last Updated5/18/2025 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos 2015 Eaton RSP41 Rear Differential for a Peterbilt 579 $350 USD (USED) Eaton RSP41 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: - COULD NOT VERIFY THE CAST NUMBER. ID TAG IDENTIFIED CRR. GOUGE ON LIP OF CASING. SPLINE GEARS ARE SHOWING WEAR. ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25784650 MLS Number13541367CategoryDifferentials, Rear Last Updated4/26/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2016 Eaton RSP41 Rear Differential for a Peterbilt 579 $350 USD (USED) Eaton RSP41 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 511326 Ref# HN04774394 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Part NumberHN04774394Stock Number25504355 MLS Number12384612CategoryDifferentials, Rear Last Updated8/29/2024 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 Eaton RSP41 Rear Differential for a Peterbilt 579 $574 USD (USED) Eaton RSP41 Ratio: 2.85 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25967226 MLS Number14267982CategoryDifferentials, Rear Last Updated3/28/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 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 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