View 0 Photos View 0 Videos 2007 Eaton RSP40 Rear Differential for a Freightliner Columbia 120 $317 USD (USED) Eaton RSP40 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)FreightlinerFits To Model(s)COLUMBIA 120Stock Number25889183 MLS Number13968310CategoryDifferentials, Rear Last Updated7/9/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2009 Eaton RSP40 Rear Differential for a Kenworth T660 $750 USD EATO RSP 4 3.55 RATIO ConditionUsedRear End3.55 ratioFits To Make(s)KENWORTHFits To Model(s)T660Stock Number28404 MLS Number14380184CategoryDifferentials, Rear Last Updated6/20/2026 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential $995 USD GOOD USED TAKEOUT RSP40 5.57 RATIO NOTES, Ratio: 5.57 ConditionUsedRear End5.57 ratioStock Number001234 MLS Number11307487CategoryDifferentials, Rear Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential Contact for price RSP40 Ratio:3.55, Ratio: 3.55 ConditionUsedRear End3.55 ratioStock NumberATC2625 MLS Number14423815CategoryDifferentials, Rear Last Updated6/13/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential Contact for price RSP40 Ratio:3.36, Ratio: 3.36 ConditionUsedRear End3.36 ratioStock NumberATC2619 MLS Number14423808CategoryDifferentials, Rear Last Updated6/13/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ 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 Eaton RSP40 Rear Differential for a Kenworth T680 $415 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Stock Number26005395 MLS Number14398510CategoryDifferentials, Rear Last Updated5/30/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2005 Eaton RSP40 Rear Differential for a Peterbilt 387 $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)387Stock Number25995551 MLS Number14396542CategoryDifferentials, Rear Last Updated5/29/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2006 Eaton RSP40 Rear Differential for a Peterbilt 387 $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 Number26003979 MLS Number14394122CategoryDifferentials, Rear Last Updated5/28/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2009 Eaton RSP40 Rear Differential for a Peterbilt 386 $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)386Stock Number25986883 MLS Number14348074CategoryDifferentials, Rear Last Updated5/24/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 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 Eaton RSP40 Rear Differential $795 USD RSP40 4.88 GOOD INSPECTED TAKEOUT, 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 250.00, Ratio: 4.88 ConditionUsedRear End4.88 ratioPart NumberRSP41 RSP40 RS404Stock NumberKL488 MLS Number13311496CategoryDifferentials, Rear Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential for a 2012 Peterbilt 384 $795 USD RSP40 5.29 GOOD USED INSPECTED DIFFERENTIAL ASSEMBLY 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 250.00, Ratio: 5.29 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)384Will Fit Year(s)2012Part NumberRSP-40Stock Number82723-10 MLS Number12288565CategoryDifferentials, Rear Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ 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 Eaton RSP40 Rear Differential Contact for price RSP40 Ratio:3.70, Ratio: 3.70 ConditionUsedRear End3.70 ratioStock NumberATC2608 MLS Number14307770CategoryDifferentials, Rear Last Updated6/13/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential Contact for price RSP40 Ratio:3.55, Ratio: 3.55 ConditionUsedRear End3.55 ratioStock NumberATC2588 MLS Number14222123CategoryDifferentials, Rear Last Updated5/14/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential Contact for price RSP40 Ratio:3.55, Ratio: 3.55 ConditionUsedRear End3.55 ratioStock NumberATC2577 MLS Number14168391CategoryDifferentials, Rear Last Updated5/14/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential Contact for price RSP40 Ratio:3.25, Ratio: 3.25 ConditionUsedRear End3.25 ratioStock NumberATC2478 MLS Number13651339CategoryDifferentials, Rear Last Updated5/14/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential Contact for price RSP40 With Locker 3.70, Ratio: 3.70 ConditionUsedRear End3.70 ratioStock NumberATC2474 MLS Number13626492CategoryDifferentials, Rear Last Updated6/13/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential Contact for price RSP40 WITH LOCKER Ratio:3.55, Ratio: 3.55 ConditionUsedRear End3.55 ratioStock NumberATC2231 MLS Number12936450CategoryDifferentials, Rear Last Updated5/14/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential Contact for price RSP40 Ratio:3.42, Ratio: 3.42 ConditionUsedRear End3.42 ratioStock NumberATC2017 MLS Number11899963CategoryDifferentials, Rear Last Updated5/14/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential Contact for price RSP40 Ratio:3.25, Ratio: 3.25 ConditionUsedRear End3.25 ratioStock NumberATC1825 MLS Number11355887CategoryDifferentials, Rear Last Updated5/14/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential Contact for price RSP40 Ratio:3.25, Ratio: 3.25 ConditionUsedRear End3.25 ratioStock NumberATC1791 MLS Number11346405CategoryDifferentials, Rear Last Updated5/14/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential Contact for price RSP40 3.42, Ratio: 3.42 ConditionUsedRear End3.42 ratioStock NumberATC230 MLS Number9404664CategoryDifferentials, Rear Last Updated5/14/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential Contact for price GOOD WORKING CONDITION., Ratio: 355 ConditionUsedRear End3.55 ratioStock Number1342 MLS Number10478735CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info