View 0 Photos View 0 Videos 2009 Eaton RSP40 Rear Differential for a Peterbilt 389 $395 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: N Ref# N/A ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Part NumberN/AStock Number25868608 MLS Number13906887CategoryDifferentials, Rear Last Updated3/19/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2001 Eaton RSP40 Rear Axle Housing for a Mack CX $850 USD (USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: MACK AIR Track Width : 73 Ref# NO TAG ConditionUsedFits To Make(s)MackFits To Model(s)CXPart NumberNO TAGStock Number25952621 MLS Number14245372CategoryAxle Housings, Rear Last Updated3/15/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2006 Eaton RSP40 Rear Axle Housing for a Kenworth T600 $850 USD (USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG400 Track Width : 71 ConditionUsedFits To Make(s)KenworthFits To Model(s)T600Stock Number25914539 MLS Number14119584CategoryAxle Housings, Rear Last Updated3/12/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2014 Eaton RSP40 Rear Differential for a Kenworth T660 $415 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Stock Number25960501 MLS Number14239541CategoryDifferentials, Rear Last Updated3/12/2026 LocationWinimac, IN, 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 $950 USD EATON RSP40 3.36 - LOCKER, OUTSIDE ConditionUsedStock NumberREAR-1133 MLS Number12179546CategoryDifferentials, Rear Last Updated3/12/2026 LocationLAKEVILLE, MN, US Sold ByManders Diesel (866) 314-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2016 Eaton RSP40 Rear Differential for a Kenworth T680 $350 USD (USED) Eaton RSP40 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 Ref# 1419920 ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Part Number1419920Stock Number25935862 MLS Number14146297CategoryDifferentials, Rear Last Updated3/8/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2010 Eaton RSP40 Rear Differential for a Peterbilt 387 $395 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 511329 Ref# 511329 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)387Part Number511329Stock Number25949167 MLS Number14158615CategoryDifferentials, Rear Last Updated3/8/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2008 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 Number25949694 MLS Number14166530CategoryDifferentials, Rear Last Updated3/8/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2010 Eaton RSP40 Rear Axle Housing for a Kenworth T2000 $850 USD (USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG380 Track Width : 72 ConditionUsedFits To Make(s)KenworthFits To Model(s)T2000Stock Number25836041 MLS Number14067611CategoryAxle Housings, Rear Last Updated3/12/2026 LocationSpencer, IA, 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 Kenworth T660 $750 USD DSP 40 REAR REAR 3.55 RATIO ConditionUsedRear End3.55 ratioFits To Make(s)KENWORTHFits To Model(s)T660Stock Number28348 MLS Number14148903CategoryDifferentials, Rear Last Updated3/5/2026 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2000 Eaton RSP40 Rear Differential for a Peterbilt 379 $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)379Stock Number25955672 MLS Number14221947CategoryDifferentials, Rear Last Updated3/8/2026 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 386 $415 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: - HOUSING IS RUSTY COULD NOT FIND CAST NO. ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Stock Number25948428 MLS Number14166531CategoryDifferentials, Rear Last Updated2/27/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2016 Eaton RSP40 Rear Differential for a Kenworth T440 $574 USD (USED) Eaton RSP40 Ratio: 4.33 Side Gear Splines: 41 W/ Locker: NO Cast#: Na ConditionUsedFits To Make(s)KenworthFits To Model(s)T440Stock Number25902940 MLS Number14004154CategoryDifferentials, Rear Last Updated2/26/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2016 Eaton RSP40 Rear Differential for a Kenworth T680 $415 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: NA ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Stock Number25905198 MLS Number14014760CategoryDifferentials, Rear Last Updated2/26/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2012 Eaton RSP40 Rear Differential for a Peterbilt 386 $415 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 Ref# 511327 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Part Number511327Stock Number25873025 MLS Number14014860CategoryDifferentials, Rear Last Updated2/21/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2010 Eaton RSP40 Rear Differential for a Kenworth T660 $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Stock Number25948507 MLS Number14148600CategoryDifferentials, Rear Last Updated2/18/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2010 Eaton RSP40 Rear Axle Housing for a Kenworth T660 $850 USD (USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG380 Track Width : 72 ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Stock Number25948510 MLS Number14148599CategoryAxle Housings, Rear Last Updated2/18/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2013 Eaton RSP40 Rear Differential for a Kenworth T700 $415 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: NA ConditionUsedFits To Make(s)KenworthFits To Model(s)T700Stock Number25869577 MLS Number13983266CategoryDifferentials, Rear Last Updated2/11/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2003 Eaton RSP40 Rear Differential for a Peterbilt 387 $495 USD (USED) Eaton RSP40 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)387Stock Number25881214 MLS Number13927673CategoryDifferentials, Rear Last Updated2/11/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2014 Eaton RSP40 Rear Differential for a Kenworth T680 $415 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Stock Number25897428 MLS Number13998640CategoryDifferentials, Rear Last Updated2/11/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2013 Eaton RSP40 Rear Differential for a Peterbilt 386 $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Stock Number25912337 MLS Number14051372CategoryDifferentials, Rear Last Updated2/8/2026 LocationWinimac, IN, 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 Kenworth T600 $415 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 YOKE WILL NEED SWAPPED OR TO HAVE BROKEN BOLTS EXTRACTED ConditionUsedFits To Make(s)KenworthFits To Model(s)T600Stock Number25914535 MLS Number14119585CategoryDifferentials, Rear Last Updated1/31/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2001 Eaton RSP40 Rear Differential for a Peterbilt 385 $495 USD (USED) Eaton RSP40 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 129543 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)385Stock Number25929955 MLS Number14115823CategoryDifferentials, Rear Last Updated1/29/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2001 Eaton RSP40 Rear Axle Housing for a Peterbilt 385 $850 USD (USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG400 Track Width : 72 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)385Stock Number25929957 MLS Number14115822CategoryAxle Housings, Rear Last Updated1/29/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2002 Eaton RSP40 Rear Differential for a Kenworth T2000 $350 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 611329 Ref# 611329 ConditionUsedFits To Make(s)KenworthFits To Model(s)T2000Part Number611329Stock Number25824630 MLS Number14108029CategoryDifferentials, Rear Last Updated1/29/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info