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 Updated5/14/2026 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 Updated5/14/2026 LocationBeauceville, QC, Canada Sold ByCamions Gilbert (888) 595-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Rear Differential for a 2009 Peterbilt 386 Contact for price GOOD SHAPE, Ratio: 370 ConditionUsedRear End3.70 ratioFits To Make(s)PeterbiltFits To Model(s)386Will Fit Year(s)2009Stock Number794779-4 MLS Number14219538CategoryDifferentials, Rear Last Updated5/14/2026 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 Rear Differential for a 2003 Kenworth W900 Contact for price MILES 422174, Ratio: 358 ConditionUsedRear End3.58 ratioFits To Make(s)KenworthFits To Model(s)W900Will Fit Year(s)2003Stock Number704213-5 MLS Number13533006CategoryDifferentials, Rear Last Updated5/14/2026 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 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 Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ 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 Updated5/3/2026 LocationEnfield, CT, US Sold ByCamerota Truck Parts (855) 750-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos Eaton RSP40 Rear Axle Housing for a 2007 Kenworth T800 Contact for price EATON RSP40P AXLE HOUSING( REAR), ratio: 3.55 OFF A KENWORTH T800 ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2007Stock NumberKW-0427-41 MLS Number9988646CategoryAxle Housings, Rear Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Eaton RSP40 Rear Axle Assembly for a 2007 Kenworth T800 Contact for price EATON RSP40 REAR AXLE HOUSING, CAPACITY: 40000 LB RATIO 3.55,, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2007Stock NumberKW-0427-42 MLS Number9988647CategoryAxle Assemblies, Rear Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos Eaton RSP40 Rear Axle Assembly for a 2007 Kenworth T600 Contact for price Eaton RSP40 Rear Rear Differential For Sale 3.70 Ratio - Capacity: 20,000 lbs. - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship... ConditionUsedRear End3.70 ratioFits To Make(s)KenworthFits To Model(s)T600Will Fit Year(s)2007Part NumberTBDStock NumberKW-0526-16 MLS Number9991547CategoryAxle Assemblies, Rear Last Updated6/13/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Eaton RSP40 Rear Differential $500 USD RSP40 - 5.57 Ratio - Pullout - Grade A - Unit In Good Condition. ConditionUsedRear End5.57 ratioStock Number4540415 MLS Number13895665CategoryDifferentials, Rear Last Updated4/25/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2016 Eaton RSP40 Rear Axle Housing for a Peterbilt 579 $725 USD (USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE FLEX AIR Track Width : Verify ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25662279 MLS Number12927212CategoryAxle Housings, Rear Last Updated4/24/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Eaton RSP40 Rear Differential $600 USD Good used Eaton RSP40 Rear, Rear Differential Assembly. 3.36 Ratio. 90 day guarantee for swap or refund ConditionUsedRear End3.36 ratioFits To Make(s)EATONFits To Model(s)RSP40Stock NumberRyd RSP40/3.36/41 MLS Number10643513CategoryDifferentials, Rear Last Updated4/25/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Eaton RSP40 Rear Differential for a Unmarked N/A $300 USD RSP40 - 3.25 Ratio - Core - Grade C - Rebuildable - Pinion Threads Bad. CORE UNIT SOLD AS-IS ConditionUsedRear End3.25 ratioFits To Make(s)UnmarkedFits To Model(s)N/AStock Number4538060 MLS Number13890531CategoryDifferentials, Rear Last Updated4/14/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ 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 Updated4/4/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Eaton RSP40 Rear Differential $395 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 MISSING YOKE NUT ConditionUsedStock Number25670945 MLS Number12972206CategoryDifferentials, Rear Last Updated4/9/2026 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 Updated4/1/2026 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 $550 USD 3.42, ConditionUsedStock NumberREAR-2285 MLS Number14268933CategoryDifferentials, Rear Last Updated3/26/2026 LocationLAKEVILLE, MN, US Sold ByManders Diesel (866) 314-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2013 Spicer J400S Rear Differential for a Peterbilt 587 $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)587Stock Number25370926 MLS Number12336375CategoryDifferentials, Rear Last Updated3/26/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2008 Eaton RSP40 Rear Differential for a Mack Cxu $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 130946 RUST FORMING ON CRR CASING, SURFACE RUST ON RING GEAR COLLAR AND PINION GEAR. ConditionUsedFits To Make(s)MackFits To Model(s)CXUStock Number25786793 MLS Number13538936CategoryDifferentials, Rear Last Updated3/18/2026 LocationSpencer, IA, 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 $550 USD 3.90, ConditionUsedStock NumberREAR-2237 MLS Number13998064CategoryDifferentials, Rear Last Updated3/12/2026 LocationLAKEVILLE, MN, US Sold ByManders Diesel (866) 314-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Rear Differential $550 USD 3.55, ConditionUsedStock NumberREAR-2078 MLS Number13241681CategoryDifferentials, Rear Last Updated3/12/2026 LocationLAKEVILLE, MN, US Sold ByManders Diesel (866) 314-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Rear Differential $550 USD 2.64, ConditionUsedStock NumberREAR-2042 MLS Number13063238CategoryDifferentials, Rear Last Updated3/12/2026 LocationLAKEVILLE, MN, US Sold ByManders Diesel (866) 314-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Rear Differential $550 USD 3.55, ConditionUsedStock NumberREAR-2017 MLS Number12946105CategoryDifferentials, Rear Last Updated3/12/2026 LocationLAKEVILLE, MN, US Sold ByManders Diesel (866) 314-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Rear Differential $550 USD 2.64, ConditionUsedStock NumberREAR-1718 MLS Number12180634CategoryDifferentials, Rear Last Updated3/12/2026 LocationLAKEVILLE, MN, US Sold ByManders Diesel (866) 314-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Eaton RSP40 Rear Differential $500 USD Good used Eaton RSP40 Rear, Rear Differential Assembly. 2.64 Ratio. 90 day guarantee for swap or refund ConditionUsedRear End2.64 ratioFits To Make(s)EATONFits To Model(s)RSP40Stock NumberRyd RSP40/2.64/41 MLS Number14137029CategoryDifferentials, Rear Last Updated2/11/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info