View 1 Photo View 0 Videos Eaton RSP40 Rear Differential $795 USD GOOD INSPECTED RSP 40 5.29 41 SPLINE SIDE GEAR. 90 DAY PARTS AND LABOR WARRANTY.EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: v603r, Core Charge: EXCHANGE, Ratio: 5.29 ConditionUsedPart Numberv603rStock Numberv603r MLS Number10321528CategoryDifferentials, Rear Last Updated5/19/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton 3.42 Gear Set Ring and Pinion for RSP40/RSP41/RS404/RS405/RSL40, Part # 504055 $400 USD USED 3.42 GEAR SET RING AND PINION FOR RSP40 RSP41 RS404 RS405 RSL40, Serial#: 504055, Core Charge: 0, Casting#: 504055 ConditionNewPart Number504055Stock Number504055 USED MLS Number9976020CategoryDifferential Misc. Parts Last Updated4/3/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Rear Axle Housing for a 2007 Peterbilt 386 $1,095 USD LATE LOW AIR LEAF AXLE HOUSING/ WITH CURVED SPRING ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Will Fit Year(s)2007Stock Number101815-2 MLS Number9001533CategoryAxle Housings, Rear Last Updated5/11/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Rear Differential for a 2009 Kenworth T660 $525 USD GOOD INSPECTED TAKOUT. 90 DAY WARRANTY, Ratio: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)KenworthFits To Model(s)T660Will Fit Year(s)2009Stock Number22015-6 MLS Number9001099CategoryDifferentials, Rear Last Updated5/11/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Rear Differential for a 2009 Peterbilt 387 $495 USD GOOD USED INSPECTED TAKOUT, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)387Will Fit Year(s)2009Stock Number21815-16 MLS Number9001095CategoryDifferentials, Rear Last Updated5/11/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Rear Differential for a 2004 Kenworth T800 $395 USD GOOD USED ,WILL BE CLEANED AND INSPECTED, Axle Spline Count: 41, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2004Stock Number12015-7 MLS Number9001051CategoryDifferentials, Rear Last Updated5/11/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Rear Differential for a 2004 Kenworth T2000 Contact for price ABS, Ratio: 370 ConditionUsedRear End3.70 ratioFits To Make(s)KenworthFits To Model(s)T2000Will Fit Year(s)2004Stock Number972849-5 MLS Number9391310CategoryDifferentials, Rear Last Updated5/11/2023 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Bearing Cone, Part # 42362 $79.47 USD BEARING CONE, Serial#: 42362, Core Charge: N/A, Casting#: 42362 ConditionNewPart Number42362Stock Number42362 MLS Number9003341CategoryDifferential Misc. Parts Last Updated4/3/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Bearing Cup, Part # 42584 $42.33 USD BEARING CUP ConditionNewPart Number42584Stock Number42584 MLS Number9003340CategoryDifferential Misc. Parts Last Updated4/3/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Eaton RSP40 Rear Differential $1,000 USD Nous livrons partout au Canada et aux États-Unis. We ship anywhere in Canada USA. 40 000lbs, Arrière, Pas de Lock, no core + 100$ 40 000lbs, Rear, No Lock, no core + 100$ Stock: 30481D,... ConditionUsedRear End4.11 ratioStock Number30481D MLS Number11945584CategoryDifferentials, Rear Last Updated3/18/2023 LocationBeauceville, QC, Canada Sold ByCamions Gilbert (888) 595-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2007 Eaton RSP40 Rear Axle Housing for a Kenworth T800 $1,500 USD OEM# 321554 GOOD CONDITION USED REAR/REAR AXLE HOUSING ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T800Stock Number12696 MLS Number10895095CategoryAxle Housings, Rear Last Updated8/5/2021 LocationEnfield, CT, US Sold ByCamerota Truck Parts (855) 750-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2001 Eaton RSP40 Rear Differential for a Mack CX Newly Listed $495 USD (USED) Eaton RSP40 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 129351 Ref# NO TAG ConditionUsedFits To Make(s)MackFits To Model(s)CXPart NumberNO TAGStock Number25952614 MLS Number14301532CategoryDifferentials, Rear Last Updated4/10/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2005 Eaton RSP40 Rear Differential for a Kenworth T800 Newly Listed $395 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 Ref# N/A ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Part NumberN/AStock Number25965185 MLS Number14301526CategoryDifferentials, Rear Last Updated4/10/2026 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 Axle Housing for a Kenworth Recently Updated $850 USD Eaton Rear Axle Housing, RSP40, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, ABS. P/N 321304. Removed From Kenworth AG400 Suspension. ConditionUsedFits To Make(s)KENWORTHStock Number28445 MLS Number14045848CategoryAxle Housings, Rear Last Updated4/8/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2009 Eaton RSP40 Rear Axle Housing for a Peterbilt 386 $850 USD (USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE NEW LOW AIR LEAF Track Width : 72 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Stock Number25897980 MLS Number13986469CategoryAxle Housings, Rear Last Updated4/3/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2009 Eaton RSP40 Rear Differential for a Peterbilt 367 $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)367Stock Number25960784 MLS Number14242058CategoryDifferentials, Rear Last Updated4/3/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2000 Eaton RSP40 Rear Axle Housing for a Peterbilt 378 $850 USD (USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE LOW AIR LEAF Track Width : 72 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Stock Number25963930 MLS Number14254013CategoryAxle Housings, Rear Last Updated4/8/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2013 Eaton RSP40 Rear Differential for a Kenworth T600 $650 USD Used Eaton Rear Differential RSP40, Ratio 3.55 ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T600Stock NumberS7163RR MLS Number11100390CategoryDifferentials, Rear Last Updated4/1/2026 LocationPalmyra, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2012 Eaton RSP40 Rear Axle Housing for a Peterbilt 388 $850 USD (USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE FLEX AIR Track Width : 73 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)388Stock Number25969866 MLS Number14273608CategoryAxle Housings, Rear Last Updated3/29/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2007 Eaton RSP40 Rear Axle Housing for a Peterbilt 386 $850 USD (USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE FLEX AIR Track Width : 72 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Stock Number25960092 MLS Number14239599CategoryAxle Housings, Rear Last Updated3/28/2026 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 Eaton RSP40 Rear Differential for a Kenworth T680 $350 USD (USED) Eaton RSP40 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Stock Number25968171 MLS Number14270051CategoryDifferentials, 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 2018 Eaton RSP40 Rear Axle Housing for a Kenworth T680 $850 USD (USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG400L Track Width : 72 ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Stock Number25968173 MLS Number14270050CategoryAxle Housings, 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 2004 Eaton RSP40 Rear Differential for a Kenworth W900L $395 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 130830 ConditionUsedFits To Make(s)KenworthFits To Model(s)W900LStock Number25968226 MLS Number14270036CategoryDifferentials, 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 2004 Eaton RSP40 Rear Axle Housing for a Kenworth W900L $850 USD (USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE FLEX AIR Track Width : 72 ConditionUsedFits To Make(s)KenworthFits To Model(s)W900LStock Number25968231 MLS Number14270035CategoryAxle Housings, 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 2010 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 Number25961097 MLS Number14268021CategoryDifferentials, Rear Last Updated3/26/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info