View 1 Photo View 0 Videos Eaton RSP40 Rear Differential for a 2014 Kenworth T800 $795 USD RSP41 3.42 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Ratio: 3.42, Casting#: NA ConditionUsedRear End3.42 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2014Part NumberRSP41Stock Number120421-8 MLS Number11134606CategoryDifferentials, Rear Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton RS404 Rear Differential for a 1999 Kenworth T800 $795 USD RS404 3.90 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Ratio: 3.90, Casting#: NA ConditionUsedRear End3.90 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)1999Part NumberRS-404Stock Number52321-9 MLS Number10803325CategoryDifferentials, Rear Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSH40 Rear Differential for a 2007 Kenworth T800 $795 USD RSH40 RSP40 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 4.11, Ratio: 4.11 ConditionUsedRear End4.11 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2007Stock Number81320-5 MLS Number10346076CategoryDifferentials, Rear Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton S23170 Rear Differential for a 2014 Kenworth T800 $2,495 USD GOOD INSPECTED TAKEOUT. 3.91 RATIO. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: 1500, Ratio: 3.91 ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2014Stock Number93019-21 MLS Number9976036CategoryDifferentials, Rear Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS402 Rear Differential for a 1992 Kenworth T800 $595 USD GOOD INSPECTED TAKEOUT. 3.70 RATIO. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: EXCHANGE, Ratio: 3.70 ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)1992Stock Number91719-9 MLS Number9915545CategoryDifferentials, Rear Last Updated6/13/2026 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 Differential for a 2006 Kenworth T800 $395 USD GOOD INSPECTED TAKEOUT. 3.36 RATIO. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: EXCHANGE, Ratio: 3.36 ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2006Stock Number81919-9 MLS Number9868894CategoryDifferentials, Rear Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS402 Rear Differential for a 1994 Kenworth T800 $795 USD GOOD INSPECTED TAKE OUT DIFFERENTIAL, 90 DAY WARRANTY, Axle Spline Count: 41, Serial#: NA, Core Charge: 250.00, Ratio: 3.90 ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)1994Part NumberRS402Stock Number51719-9 MLS Number9759333CategoryDifferentials, Rear Last Updated6/13/2026 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 Differential for a 2007 Kenworth T800 $395 USD RSP40 3.70 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: N/A, Ratio: 3.70 ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2007Stock Number71918-19 MLS Number9462484CategoryDifferentials, Rear Last Updated6/13/2026 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 Differential for a 2006 Kenworth T800 $395 USD GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY ON PARTS, Axle Spline Count: N/A, Serial#: N/A, Core Charge: N/A, Ratio: 3.36 ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2006Stock Number21318-17 MLS Number9357613CategoryDifferentials, Rear Last Updated5/14/2026 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 Differential for a 2006 Kenworth T800 $395 USD RSP40 3.36 INSPECTED TAKEOUT 90 DAY WARRANTY, Ratio: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2006Stock Number120916-7 MLS Number9002635CategoryDifferentials, Rear Last Updated5/14/2026 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 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 1 Photo View 0 Videos Eaton RDH40 Rear Differential for a 2013 Kenworth T800 Contact for price MILES 268345, Ratio: 370 ConditionUsedRear End3.70 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2013Stock Number400240-5 MLS Number14368537CategoryDifferentials, 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 DSP40 Rear Differential for a 2013 Kenworth T800 Contact for price MILES 372579, Ratio: 336 ConditionUsedRear End3.36 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2013Stock Number336200-4 MLS Number13855286CategoryDifferentials, 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 DS405 Rear Differential for a 2001 Kenworth T800 Contact for price MILES 514470, Ratio: 390 ConditionUsedRear End3.90 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2001Stock Number875520-4 MLS Number12521652CategoryDifferentials, 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 RS402 Rear Differential for a 1995 Kenworth T800 Contact for price GOOD SHAPE, Ratio: 390 ConditionUsedRear End3.90 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)1995Stock Number651456-4 MLS Number11177783CategoryDifferentials, 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 Eaton D46-170 Rear Differential for a 2013 Kenworth T800 Contact for price REAR TANDEM CUTOFF 46K - primax suspension exellent shape low miles no rust, Ratio: 3.91 ConditionUsedRear End3.91 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2013Stock Number295463325 MLS Number13243003CategoryDifferentials, Rear Last Updated5/14/2026 LocationWinger, MN, US Sold ByLucken Trucks and Parts (833) 637-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton RS402 Rear Differential for a 1995 Kenworth T800 Contact for price RS 402 REAR REAR 3.90 CASTING NUMBER 127045 41 SPLINE AXLES, Axle Spline Count: 41 SPLINE, Ratio: 3.90, Casting#: 127045 ConditionUsedRear End3.90 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)1995Stock NumberMISC-EATON MLS Number13348627CategoryDifferentials, Rear Last Updated6/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS402 Rear Differential for a 1994 Kenworth T800B Contact for price RS402 REAR REAR 3.55 RATIO 41 SPLINE SIDE GEARS CASTING NUMBER 127045, Axle Spline Count: 41 SPLINE, Ratio: 3.55, Casting#: 127045 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)T800BWill Fit Year(s)1994Stock NumberMISC -EATON MLS Number13348626CategoryDifferentials, Rear Last Updated5/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP41 Rear Differential for a 2004 Kenworth T800 Contact for price Eaton RSP41 rear-rear differential, ratio 3.08, Ratio: 3.08 ConditionUsedRear End3.08 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2004Stock NumberKW-0494-4 MLS Number9990444CategoryDifferentials, 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 D46-170HP Rear Differential for a 2005 Kenworth T800 Contact for price Eaton D46-170HP rear differential for sale, ratio 4.10, Hendrickson Haulmaax suspension. Call for more information, we ship everywhere, Ratio: 4.10 ConditionUsedRear End4.10 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2005Stock NumberKW-0881-6 MLS Number13523177CategoryDifferentials, Rear Last Updated6/13/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2001 Eaton RS404 Rear Differential for a Kenworth T800 $500 USD RS404 - 3.55 Ratio - Pullout - P/N 509825. DIFF ONLY, HOUSING SOLD SEPARATELY. ConditionUsedRear End3.55 ratioFits To Make(s)KENWORTHFits To Model(s)T800Stock Number629-4 MLS Number13887046CategoryDifferentials, 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 RSH40 Rear Differential for a Kenworth T800 $350 USD (USED) Eaton RSH40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Stock Number25627202 MLS Number12784224CategoryDifferentials, Rear Last Updated5/4/2024 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 1996 Eaton RS404 Rear Differential for a Kenworth T800 $850 USD GTO 100 DAY WARRANTY ConditionUsedRear End3.90 ratioFits To Make(s)KENWORTHFits To Model(s)T800Stock Number12721 MLS Number10532848CategoryDifferentials, Rear Last Updated12/15/2025 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2001 Eaton RS404 Rear Differential for a Kenworth T800 $850 USD GTO 30DAY WARRANTY ConditionUsedRear End3.90 ratioFits To Make(s)KENWORTHFits To Model(s)T800Stock Number9096 MLS Number10532610CategoryDifferentials, Rear Last Updated12/15/2025 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RS404 Rear Differential for a 1998 Kenworth T800 Contact for price ABS, Ratio: 355 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)1998Stock Number782845-5 MLS Number9390977CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info