View 3 Photos View 0 Videos Alliance R21-4N Rear Axle Assembly Newly Listed $950 USD R21-4N, FREIGHTLINER AIRLINER, 2 BOLT LEFT, NON LOCKER, NOT DRILLED FOR PARKING BRAKE ConditionUsedRear End5.88 ratioFits To Make(s)ALLIANCEFits To Model(s)R21-4NCapacity21000Stock Number2691759 MLS Number14577869CategoryAxle Assemblies, Rear Last Updated9/1/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Alliance R21-4N Rear Axle Assembly $1,250.26 USD R21-4N, 15+1 SPIDER, 10 HUB PILOT, PINS CENTER, NO RIGHT SIDE AXLE SHAFT, 2 BOLT ANGLE LEFT ConditionUsedRear End5.56 ratioFits To Make(s)ALLIANCEFits To Model(s)R21-4NCapacity21000Stock Number2653426 MLS Number14398899CategoryAxle Assemblies, Rear Last Updated7/9/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ 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 Updated4/29/2026 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 Updated4/29/2026 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 Updated4/29/2026 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 Updated4/29/2026 LocationToledo, OH, 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 Updated4/29/2026 LocationEaston, MD, US Sold ByLKQ Heavy Truck (855) 905-___ 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 Updated4/29/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info