View 3 Photos View 0 Videos Input Shaft RT40-4N 46 Spline Alliance $109.10 USD INPUT SHAFT RT40-4N 46 SPLINE ConditionNewFits To Make(s)ALLIANCEFits To Model(s)RT40-4FStock NumberSST A3297F004 MLS Number14183629CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationPortland, OR, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Alliance RT40-4N Clutch Collar Fork, Forward & Rear Models $69.11 USD CLUTCH COLLAR FORK FREIGHTLINER ALLIANCE FORWARD REAR MODELS ConditionNewFits To Make(s)ALLIANCEFits To Model(s)RT40-4NStock NumberSST 3296F013 MLS Number14182730CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationJackson, MS, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Alliance R21-4NR614 Rear Differential $2,295.26 USD LOCKER DIFF, DRILLED FOR BRAKE ConditionNewRear End6.14 ratioFits To Make(s)ALLIANCEFits To Model(s)R21-4NR614Stock Number2605922 MLS Number14180641CategoryDifferentials, Rear Last Updated4/4/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Alliance R23-4NR588 Rear Differential $1,995.26 USD SAME AS RS23-4D 5.88, NON-LOCKER ConditionNewRear End5.88 ratioFits To Make(s)ALLIANCEFits To Model(s)R23-4NR588Stock Number2605918 MLS Number14180638CategoryDifferentials, Rear Last Updated4/4/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Alliance ARS21.0.4R430 Rear Differential $2,250.26 USD NON-LOCKER ConditionNewRear End4.30 ratioFits To Make(s)ALLIANCEFits To Model(s)ARS21.0.4R430Stock Number2605902 MLS Number14180625CategoryDifferentials, Rear Last Updated4/4/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Alliance R23-4NR588 Rear Differential $1,995.26 USD SAME AS RS23-4D 5.88, NON-LOCKER ConditionNewRear End5.88 ratioFits To Make(s)ALLIANCEFits To Model(s)R23-4NR588Stock Number2605901 MLS Number14180624CategoryDifferentials, Rear Last Updated4/4/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Alliance RTL40-4NR391 Front Differential $2,500 USD ConditionUsedRear End3.91 ratioFits To Make(s)ALLIANCEFits To Model(s)RTL40-4NR391Stock Number2585779 MLS Number14180127CategoryDifferentials, Front Last Updated2/28/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Alliance RT40-4NR241 Front Differential $1,450.25 USD BAD RP PITTED ConditionUsedRear End2.41 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NR241Stock Number2531925 MLS Number14179172CategoryDifferentials, Front Last Updated2/28/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Alliance RT40-4NR342 Rear Differential $700.24 USD ConditionUsedRear End3.42 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NR342Stock Number2472454 MLS Number14178680CategoryDifferentials, Rear Last Updated2/28/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Alliance RT40-4N Pinion Drive Gear, Late 2009-UP $176.11 USD RT40-4N PINION DRIVE GEAR LATE 2009 - UP Quantity2ConditionNewFits To Make(s)ALLIANCEFits To Model(s)RT40-4NStock NumberSST 3892F008 MLS Number11652349CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2016 Axle Alliance Rear Differential for a Alliance RTL40-4NR331 $1,100.34 USD ConditionUsedRear End3.31 ratioFits To Make(s)ALLIANCEFits To Model(s)RTL40-4NR331Stock Number1734159 MLS Number10940115CategoryDifferentials, Rear Last Updated2/28/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Alliance RT40-4NR342 Rear Differential $700.24 USD ConditionUsedRear End3.42 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NR342Stock Number1969427 MLS Number14176728CategoryDifferentials, Rear Last Updated2/28/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Axle Alliance Rear Differential for a Alliance RT40-4NR342 $700 USD ConditionUsedRear End3.42 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NR342Stock Number1785093 MLS Number10937403CategoryDifferentials, Rear Last Updated2/28/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Alliance RT40-4R Pinion Seal $54.91 USD PINION SEAL ALLIANCE RT40-4R Quantity2ConditionNewFits To Make(s)ALLIANCEFits To Model(s)RT40-4RStock NumberSST P0139976246 MLS Number14176063CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2016 Alliance RT40-4NR331 Cutoff for a Freightliner FAS II AIRLINER LATE TANDEM Contact for price ALLIANCE RT40-4N, CUTOFF- TANDEM AXLE, 3.31 RATIO, AIRLINER SUSPENSION ConditionUsedRear End3.31 ratioFits To Make(s)FREIGHTLINERFits To Model(s)FAS II AIRLINER LATE TANDEMCapacity40,000 LBSStock Number2564723 MLS Number14173592CategoryFront & Rear Cutoffs (Clip Cuts) Last Updated2/28/2026 LocationEaston, MD, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2016 Alliance Rear Axle Assembly for a Alliance RT40-4NR253 $1,450.25 USD ConditionUsedRear End2.53 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NR253Capacity40,000Stock Number2405705 MLS Number12872290CategoryAxle Assemblies, Rear Last Updated2/28/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2015 Alliance RT40-4NR253 Rear Differential $700.24 USD ConditionUsedRear End2.53 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NR253Stock Number2320671 MLS Number14168984CategoryDifferentials, Rear Last Updated2/28/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Alliance RT40-4N Pinion Shaft Lock Nut, Front Input Only $16.10 USD DIFF PINION SHAFT LOCK NUT INPUT FRONT ONLY ALLIANCE RT40-4N Quantity4ConditionNewFits To Make(s)ALLIANCEFits To Model(s)RT40-4NStock NumberSST 1227M45 MLS Number14168725CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Alliance/Freightliner Diff Rebuild Kit ARS13-2/ARS15-2/ARS19-2/ARS21-2 $462.10 USD DIFF REBUILD KIT ALLIANCE FREIGHTLINER ARS13-2, ARS15-2, ARS19-2, ARS21-2 ConditionNewFits To Make(s)ALLIANCEFits To Model(s)ARS21.0.2Stock NumberNTN NDK651-V100 MLS Number14142303CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Alliance ART40 Differential Kit $906.16 USD DIFFERENTIAL KIT ALLIANCE/DETROIT ConditionNewFits To Make(s)ALLIANCEFits To Model(s)ART40Stock NumberNCB DRK-650FA MLS Number14166797CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Alliance RT40-4F Front Bearing Kit 2008 and Before, Part # ART400 $913.45 USD RT40-4F ART400 ALLIANCE FRONT BEARING KIT 2008 AND BEFORE ConditionNewFits To Make(s)ALLIANCEFits To Model(s)RT40-4FStock NumberNCB DRK-650F MLS Number14166792CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Alliance R23-4N Rear Differential $850 USD Good used Alliance R23-4N Rear, rear Differential Assembly. 3.58 Ratio. 90 day guarantee for swap or refund ConditionUsedRear End3.58 ratioFits To Make(s)ALLIANCEFits To Model(s)R23-4NStock NumberRYD R23-4N/3.58/46 MLS Number14164835CategoryDifferentials, Rear Last Updated2/26/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Alliance RT40-4N Rear Differential $750 USD Good used Alliance RT40-4N rear, rear differential assembly. 3.31 ratio. 90 day guarantee for swap or refund Quantity2ConditionUsedRear End3.31 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NStock NumberRyd RT40-4N/3.31/41 MLS Number12302938CategoryDifferentials, Rear Last Updated2/26/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Alliance ART40 Bearing Kit $563.10 USD ALLIANCE BEARING KIT ConditionNewFits To Make(s)ALLIANCEFits To Model(s)ART40Stock NumberCCT TKRA650F MLS Number13862228CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Alliance Front Bearing Kit for RT40-4F Differential $604.10 USD BEARING KIT ALLIANCE FRONT RT 4404F ConditionNewFits To Make(s)ALLIANCEFits To Model(s)RT40-4FStock NumberINC BRGDRK-650F MLS Number13862214CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info