View 0 Photos View 0 Videos Eaton RSP40 Rear Differential for a 2008 Peterbilt 389 Contact for price ., Ratio: 355 ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2008Stock Number771206-4 MLS Number9391092CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential for a 2005 Kenworth T2000 Contact for price ABS, Ratio: 355 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)T2000Will Fit Year(s)2005Stock Number119285-5 MLS Number9390613CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential for a 2003 Kenworth T800 Contact for price ABS, Ratio: 370 ConditionUsedRear End3.70 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2003Stock Number387868-5 MLS Number9390606CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential for a 2002 Kenworth T800 Contact for price ABS, Ratio: 355 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2002Stock Number388049-3 MLS Number9390105CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential Contact for price ., Ratio: 370 ConditionUsedRear End3.70 ratioStock Number23 MLS Number9389551CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential for a 2003 Kenworth T2000 Contact for price -, Ratio: 355 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)T2000Will Fit Year(s)2003Stock Number392600-5 MLS Number9389380CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential for a 2005 Kenworth T600B Contact for price 40 000 LBS RSP 40 REAR 3.55 RATIO NO LOCKS, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)T600BWill Fit Year(s)2005Stock Number2375-KW-9 MLS Number13338460CategoryDifferentials, Rear Last Updated5/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential for a 2005 Peterbilt 387 Contact for price 40 000 LBS RSP 40 REAR 3.36 RATIO NO LOCKS, Ratio: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)PeterbiltFits To Model(s)387Will Fit Year(s)2005Stock Number2406-PETE-7 MLS Number13338375CategoryDifferentials, Rear Last Updated5/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ 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#: 511329 Ref# 511329 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)387Part Number511329Stock Number25797004 MLS Number13774673CategoryDifferentials, Rear Last Updated5/10/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2015 Eaton RSP40 Rear Differential for a Peterbilt 579 $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25993513 MLS Number14359458CategoryDifferentials, Rear Last Updated5/9/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2013 Eaton RSP40 Rear Differential for a Peterbilt 365 $350 USD (USED) Eaton RSP40 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)365Stock Number25890237 MLS Number14001230CategoryDifferentials, Rear Last Updated4/19/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2016 Eaton RSP40 Rear Differential for a Kenworth T680 $500 USD RSP40 - 3.42 Ratio - Pullout - P/N 515354 ConditionUsedRear End3.42 ratioFits To Make(s)KENWORTHFits To Model(s)T680Stock NumberUPS-277297-13 MLS Number13904809CategoryDifferentials, Rear Last Updated4/14/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2005 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 Ref# 511329 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)387Part Number511329Stock Number25956772 MLS Number14306296CategoryDifferentials, Rear Last Updated4/12/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 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 2013 Eaton RSP40 Rear Differential for a Kenworth T660 $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)T660Stock Number25967565 MLS Number14267925CategoryDifferentials, Rear Last Updated3/28/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2015 Eaton RSP40 Rear Differential for a Peterbilt 579 $350 USD (USED) Eaton RSP40 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: NA ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25841608 MLS Number14014871CategoryDifferentials, Rear Last Updated3/15/2026 LocationWinimac, IN, 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 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 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