View 1 Photo View 0 Videos 2013 Eaton RSP40 Rear Differential for a Peterbilt 579 Recently Updated $795 USD USED EATON RSP40 REAR REAR DIFFERENTIAL/3.36 RATIO ConditionUsedRear End3.36 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number72176 MLS Number12827374CategoryDifferentials, Rear Last Updated10/2/2026 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 2009 Eaton RSP40 Rear Differential for a Peterbilt 387 Recently Updated $795 USD USED EATON RSP40 REAR REAR DIFFERENTIAL/3.55 RATIO ConditionUsedRear End3.55 ratioFits To Make(s)PETERBILTFits To Model(s)387Stock Number72245 MLS Number12827402CategoryDifferentials, Rear Last Updated10/2/2026 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 2007 Eaton RSP40 Rear Differential for a Peterbilt 379 Recently Updated $795 USD USED EATON RSP40 REAR REAR DIFFERENTIAL/3.36 RATIO ConditionUsedRear End3.36 ratioFits To Make(s)PETERBILTFits To Model(s)379Stock Number72829 MLS Number12827677CategoryDifferentials, Rear Last Updated10/2/2026 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 2004 Eaton RSP40 Rear Differential for a Peterbilt 379 Recently Updated $795 USD USED EATON RSP40 REAR REAR DIFFERENTIAL/3.55 RATIO ConditionUsedRear End3.55 ratioFits To Make(s)PETERBILTFits To Model(s)379Stock Number73117 MLS Number12827834CategoryDifferentials, Rear Last Updated10/2/2026 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 2005 Eaton RSP40 Rear Differential for a Kenworth W900 Recently Updated $795 USD USED EATON RSP40 REAR REAR DIFFERENTIAL /3.36 RATIO ConditionUsedFits To Make(s)KENWORTHFits To Model(s)W900Stock Number73184 MLS Number12827868CategoryDifferentials, Rear Last Updated10/2/2026 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 2006 Eaton RSP40 Rear Differential for a Peterbilt 379 Recently Updated $795 USD USED EATON RSP40 REAR REAR DIFFERENTIAL/3.36 RATIO ConditionUsedRear End3.36 ratioFits To Make(s)PETERBILTFits To Model(s)379Stock Number73490 MLS Number12828033CategoryDifferentials, Rear Last Updated10/2/2026 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 2013 Eaton RSP40 Rear Differential for a Peterbilt 386 Recently Updated $795 USD USED EATON RSP40 REAR REAR DIFFERENTIAL/3.25 RATIO ConditionUsedRear End3.25 ratioFits To Make(s)PETERBILTFits To Model(s)386Stock Number73548 MLS Number12828077CategoryDifferentials, Rear Last Updated10/2/2026 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 2007 Eaton RSP40 Rear Differential for a Peterbilt 387 Recently Updated $795 USD USED EATON RSP40 REAR DIFFERENTIAL ASSEMBLY - RATIO: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)PETERBILTFits To Model(s)387Stock Number79738 MLS Number12830717CategoryDifferentials, Rear Last Updated10/2/2026 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 2004 Eaton RSP40 Rear Differential for a Kenworth T2000 Recently Updated $795 USD USED EATON RSP40 REAR REAR DIFFERENTIAL/3.36 RATIO ConditionUsedRear End3.36 ratioFits To Make(s)KENWORTHFits To Model(s)T2000Stock Number69477 MLS Number12825831CategoryDifferentials, Rear Last Updated10/2/2026 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 2003 Eaton RSP40 Rear Differential for a Peterbilt 387 Recently Updated $795 USD USED EATON RSP40 REAR REAR DIFFERENTIAL/3.55 RATIO ConditionUsedRear End3.55 ratioFits To Make(s)PETERBILTFits To Model(s)387Stock Number69639 MLS Number12825909CategoryDifferentials, Rear Last Updated10/2/2026 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 2013 Eaton RSP40 Rear Differential for a Kenworth T700 Recently Updated $795 USD USED EATON RSP40 REAR REAR DIFFERENTIAL/3.25 RATIO ConditionUsedRear End3.25 ratioFits To Make(s)KENWORTHFits To Model(s)T700Stock Number70497 MLS Number12826448CategoryDifferentials, Rear Last Updated10/2/2026 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 Eaton RSP40 Rear Differential Newly Listed $550 USD 3.25, ConditionUsedStock NumberREAR-2358 MLS Number14633403CategoryDifferentials, Rear Last Updated9/30/2026 LocationLAKEVILLE, MN, US Sold ByManders Diesel (866) 314-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2010 Eaton RSP40 Rear Differential for a Peterbilt 387 Recently Updated $395 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)387Stock Number25611481 MLS Number12709683CategoryDifferentials, Rear Last Updated9/30/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2006 Eaton RSP40 Rear Differential for a Kenworth T600 $395 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T600Stock Number25642088 MLS Number12855891CategoryDifferentials, Rear Last Updated9/25/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 1999 Eaton RSP40 Rear Differential for a Peterbilt 379 $395 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Stock Number25772418 MLS Number13480720CategoryDifferentials, Rear Last Updated9/25/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Rear Differential $650 USD ConditionUsedRear End3.25 ratioStock NumberBP 14641 MLS Number10263509CategoryDifferentials, Rear Last Updated9/26/2026 LocationPalmyra, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Rear Differential $595 USD INSPECTED TAKEOUT RSP40 6.50. 90 DAY PARTS ONLY WARRANTY. EXTENDED WARRANTY AVAILABLE, Axle Spline Count: 41, Serial#: 62366, Core Charge: EXCHANGE, Ratio: 6.50 ConditionUsedRear End6.50 ratioPart Number62366Stock Number62366 MLS Number14330561CategoryDifferentials, Rear Last Updated9/24/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2014 Eaton RSP40 Rear Differential for a Peterbilt 579 $415 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25801519 MLS Number13605906CategoryDifferentials, Rear Last Updated9/18/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2007 Eaton RSP40 Rear Differential for a Kenworth T800 $317 USD (USED) Eaton RSP40 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Stock Number25787778 MLS Number13558692CategoryDifferentials, Rear Last Updated9/19/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2014 Eaton RSP40 Rear Differential for a Peterbilt 579 Contact for price RSP40 - Rear Rear - 3.42 Ratio - Pullout - DIFF ONLY. ConditionUsedRear End3.42 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number4462-3 MLS Number14319957CategoryDifferentials, Rear Last Updated9/11/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2013 Eaton RSP40 Rear Differential for a Peterbilt 384 Contact for price RSP40 - Rear Rear - 4.11 Ratio - used - Grade C - rebuildable - DIFF ONLY. p/n 511332, Bad gear set, missing ring gear bolts, ring gear teeth are chipped, case looks good. ConditionUsedRear End4.11 ratioFits To Make(s)PETERBILTFits To Model(s)384Stock Number4424-3 MLS Number14305904CategoryDifferentials, Rear Last Updated9/11/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2014 Eaton RSP40 Rear Differential $395 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 MISSING YOKE NUT ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Stock Number25670945 MLS Number12972206CategoryDifferentials, Rear Last Updated9/12/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Rear Differential for a 2013 Peterbilt 389 $550 USD T.O RSP40 3.90 RATIO WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY., Axle Spline Count: GET, Serial#: GET, Core Charge: 250.00, Ratio: 390 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2013Part NumberGETStock Number82126-3 MLS Number14588139CategoryDifferentials, Rear Last Updated9/5/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Eaton RSP40 Rear Differential $600 USD Good used Eaton RSP40 Rear, Rear Differential Assembly. 3.55 Ratio. 90 day guarantee for swap or refund Quantity2ConditionUsedRear End3.55 ratioStock NumberRyd RSP40/3.55/41 MLS Number10643512CategoryDifferentials, Rear Last Updated8/26/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2005 Eaton RSP40 Rear Differential for a Kenworth T600 $395 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T600Stock Number25808327 MLS Number13631850CategoryDifferentials, Rear Last Updated8/23/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info