View 1 Photo View 0 Videos 2016 Alliance R21-4N Rear Axle Housing Contact for price ConditionUsedFits To Make(s)ALLIANCEFits To Model(s)R21-4NStock Number2619258 MLS Number14247378CategoryAxle Housings, Rear Last Updated3/17/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2017 Alliance R21-4N Rear Axle Housing Contact for price ConditionUsedFits To Make(s)ALLIANCEFits To Model(s)R21-4NStock Number2618816 MLS Number14247339CategoryAxle Housings, Rear Last Updated3/17/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 11 Photos View 0 Videos 2024 Alliance R21-4N Rear Axle Housing $1,750 USD RS-21.0-4 BY DIFF TAG, WITH 10 HUB PILOT WHEELS, AIR ABS ConditionUsedFits To Make(s)ALLIANCEFits To Model(s)R21-4NStock Number2570029 MLS Number13915749CategoryAxle Housings, Rear Last Updated3/7/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2014 Alliance R21-4N Rear Differential for a Freightliner M2 106 $1,795 USD USED ALLIANCE R21-4N REAR REAR DIFFERENTIAL, RATIO 5.22. THE PRICE IS FOR THE DIFFERENTIAL ONLY BUT WE HAVE HOUSINGS AVAILABLE IF NEEDED. ConditionUsedRear End5.22 ratioFits To Make(s)FREIGHTLINERFits To Model(s)M2 106Stock Number96614 MLS Number13085256CategoryDifferentials, Rear Last Updated1/6/2026 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Alliance R21-4N Rear Differential $750 USD Good used Alliance R21-4N Rear, rear Differential Assembly. 6.14 Ratio. 90 day guarantee for swap or refund ConditionUsedRear End6.14 ratioFits To Make(s)ALLIANCEFits To Model(s)R21-4NStock NumberRyd R21-4N/6.14/46 MLS Number13363031CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2015 Alliance R21-4N Rear Axle Assembly $1,500 USD ALLIANCE R21-4N, 5.56 RATIO ConditionUsedRear End5.56 ratioFits To Make(s)ALLIANCEFits To Model(s)R21-4NCapacity21,000LBSStock Number2545984 MLS Number13800184CategoryAxle Assemblies, Rear Last Updated12/24/2025 LocationEaston, MD, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2015 Alliance R21-4N Rear Axle Assembly $1,500.24 USD ALLIANCE R21-4N, 5.22 RATIO ConditionUsedRear End5.22 ratioFits To Make(s)ALLIANCEFits To Model(s)R21-4NCapacity21,000 LBSStock Number2449354 MLS Number13109490CategoryAxle Assemblies, Rear Last Updated11/6/2025 LocationEaston, MD, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2015 Alliance R21-4N Rear Differential for a Freightliner M2 106 Contact for price USED ALLIANCE R21-4N SINGLE REAR DIFFERENTIAL/5.88 RATIO/HYD BRAKES ConditionUsedRear End5.88 ratioFits To Make(s)FREIGHTLINERFits To Model(s)M2 106Stock Number90787 MLS Number12835563CategoryDifferentials, Rear Last Updated9/30/2025 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Alliance R21-4N Rear Axle Assembly $800.14 USD CHECK ID ConditionUsedFits To Make(s)ALLIANCEFits To Model(s)R21-4NCapacity21,000Stock Number2542718 MLS Number13727385CategoryAxle Assemblies, Rear Last Updated7/29/2025 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Alliance R21-4N Rear Axle Assembly $1,350.35 USD 2 BOLT LEFT, DIFF R6813511005, 15+1 ABS, ConditionUsedFits To Make(s)ALLIANCEFits To Model(s)R21-4NCapacity21,000Stock Number2528425 MLS Number13641273CategoryAxle Assemblies, Rear Last Updated7/3/2025 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Alliance R21-4N Rear Axle Assembly $1,350.35 USD 2 BOLT LEFT, DIFF R6813511005, 15+1 ABS, ConditionUsedFits To Make(s)ALLIANCEFits To Model(s)R21-4NCapacity21,000Stock Number2528423 MLS Number13641272CategoryAxle Assemblies, Rear Last Updated7/3/2025 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Alliance R21-4N Rear Axle Assembly $2,295 USD 15+1 ABS SPIDER, FRTLINER, 2 BOLT TOP ANGLE LEFT, DIFF A-9733510305 ConditionUsedRear End5.22 ratioFits To Make(s)ALLIANCEFits To Model(s)R21-4NCapacity23,000Stock Number2308301 MLS Number12377462CategoryAxle Assemblies, Rear Last Updated6/2/2025 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2018 Alliance R21-4N Rear Axle Assembly $1,500.24 USD ALLIANCE R21-4N, 5.22 RATIO, ConditionUsedRear End5.22 ratioFits To Make(s)ALLIANCEFits To Model(s)R21-4NCapacity21,000 LBSStock NumberR18H0453 MLS Number12172527CategoryAxle Assemblies, Rear Last Updated6/2/2025 LocationEaston, MD, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2014 Alliance R21-4N Rear Axle Assembly $1,500.24 USD 5.87 RATIO ConditionUsedRear End5.87 ratioFits To Make(s)ALLIANCEFits To Model(s)R21-4NCapacity21,000Stock NumberR14B8185 MLS Number12476816CategoryAxle Assemblies, Rear Last Updated6/2/2025 LocationEaston, MD, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2007 Alliance R21-4N Rear Axle Assembly $1,500.24 USD ConditionUsedRear End4.78 ratioFits To Make(s)ALLIANCEFits To Model(s)R21-4NCapacity33000Stock Number2410245 MLS Number12891382CategoryAxle Assemblies, Rear Last Updated2/7/2025 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2005 Alliance R21-4N Rear Axle Assembly $1,500.24 USD ConditionUsedRear End4.78 ratioFits To Make(s)ALLIANCEFits To Model(s)R21-4NCapacity21,000Stock Number2254280 MLS Number12059236CategoryAxle Assemblies, Rear Last Updated2/7/2025 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2015 Alliance R21-4N Rear Differential for a Freightliner M2 106 $1,895 USD USED ALLIANCE R21-4N SINGLE AXLE DIFFERENTIAL ASSEMBLY WITH LOCKER - RATIO: 6.14 ConditionUsedRear End6.14 ratioFits To Make(s)FREIGHTLINERFits To Model(s)M2 106Stock Number89950 MLS Number12834961CategoryDifferentials, Rear Last Updated10/8/2025 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2021 Alliance R21-4N Rear Axle Assembly $1,450 USD A9733510305 CAST # ON THE DIFF, SPRING SUSPENSION, ConditionUsedRear End5.88 ratioFits To Make(s)ALLIANCEFits To Model(s)R21-4NCapacity23,000Stock Number2533082 MLS Number13796386CategoryAxle Assemblies, Rear Last Updated9/5/2025 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info