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Axle Alliance R21-4N Axles & Differentials For Sale

Shop used Axle Alliance R21-4N Axles & Differentials on MyLittleSalesman.com . Compare active listings with prices available. Sellers include CRG Heavy Truck Parts. Filter by condition, price, or year to find the Axle Alliance R21-4N that fits your job.
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Axles & Differentials (6)
   Axle Assemblies, Rear (2)    Axle Housings, Rear (2)    Differentials, Rear (2)
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Axle Alliance (6)
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R21-4N (6)
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Showing 1 - 6 of 6 Listings

1 - 6 of 6 listings
1 - 6 of 6 listings
Axle Alliance R21-4N Rear Axle Assembly for a 2008 Sterling ACTERRA

Axle Alliance R21-4N Rear Axle Assembly for a 2008 Sterling ACTERRA

Contact for price
(Used) 2008 Sterling ACTERRA, COMPLETE REAR DIFFERENTIAL- Part Number: C11-00008-158, Serial Number: 742821-A027037, Make: Axle Alliance, Model: R21-4N, Ratio: 5.22, Capacity: 20,000 Lbs, ...
ConditionUsed
Rear End5.22 ratio
Fits To Make(s)Sterling
Fits To Model(s)ACTERRA
Will Fit Year(s)2008
Part NumberC11-00008-158
Stock NumberP-98127
MLS Number13449001
CategoryAxle Assemblies, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
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CRG Heavy Truck Parts
Axle Alliance R21-4N Rear Axle Housing for a 2008 Sterling ACTERRA

Axle Alliance R21-4N Rear Axle Housing for a 2008 Sterling ACTERRA

Contact for price
(Used) 2008 Sterling ACTERRA, COMPLETE DIFFERENTIAL HOUSING ONLY- Part Number: C11-00008-158, Serial Number: 742821-A027037, Make: Axle Alliance, Model: R21-4N, Ratio: 5.22, Capacity:...
ConditionUsed
Fits To Make(s)Sterling
Fits To Model(s)ACTERRA
Will Fit Year(s)2008
Part NumberC11-00008-158
Stock NumberP-98128
MLS Number13449002
CategoryAxle Housings, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Axle Alliance R21-4N Rear Differential for a 2008 Sterling ACTERRA

Axle Alliance R21-4N Rear Differential for a 2008 Sterling ACTERRA

Contact for price
(Used) 2008 Sterling ACTERRA, COMPLETE DIFFERENTIAL GEARS ONLY- Part Number: C11-00008-158, Serial Number: 742821-A027037, Make: Axle Alliance, Model: R21-4N, Ratio: 5.22, Capacity: 20,000...
ConditionUsed
Rear End5.22 ratio
Fits To Make(s)Sterling
Fits To Model(s)ACTERRA
Will Fit Year(s)2008
Part NumberC11-00008-158
Stock NumberP-98130
MLS Number13449003
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Axle Alliance R21-4N Rear Axle Assembly for a 2008 Sterling ACTERRA

Axle Alliance R21-4N Rear Axle Assembly for a 2008 Sterling ACTERRA

Contact for price
(Used) 2008 Sterling ACTERRA, COMPLETE REAR DIFFERENTIAL- Part Number: C11-00008-158, Serial Number: 742821-A026935, Make: Axle Alliance, Model: R21-4N, Ratio: 5.22, Capacity: 20,000 Lbs, ...
ConditionUsed
Rear End5.22 ratio
Fits To Make(s)Sterling
Fits To Model(s)ACTERRA
Will Fit Year(s)2008
Part NumberC11-00008-158
Stock NumberP-98210
MLS Number13450186
CategoryAxle Assemblies, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Axle Alliance R21-4N Rear Axle Housing for a 2008 Sterling ACTERRA

Axle Alliance R21-4N Rear Axle Housing for a 2008 Sterling ACTERRA

Contact for price
(Used) 2008 Sterling ACTERRA, COMPLETE DIFFERENTIAL HOUSING ONLY- Part Number: C11-00008-158, Serial Number: 742821-A026935, Make: Axle Alliance, Model: R21-4N, Ratio: 5.22, Capacity:...
ConditionUsed
Fits To Make(s)Sterling
Fits To Model(s)ACTERRA
Will Fit Year(s)2008
Part NumberC11-00008-158
Stock NumberP-98211
MLS Number13450187
CategoryAxle Housings, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Axle Alliance R21-4N Rear Differential for a 2008 Sterling ACTERRA

Axle Alliance R21-4N Rear Differential for a 2008 Sterling ACTERRA

Contact for price
(Used) 2008 Sterling ACTERRA, COMPLETE DIFFERENTIAL GEARS ONLY- Part Number: C11-00008-158, Serial Number: 742821-A026935, Make: Axle Alliance, Model: R21-4N, Ratio: 5.22, Capacity: 20,000...
ConditionUsed
Rear End5.22 ratio
Fits To Make(s)Sterling
Fits To Model(s)ACTERRA
Will Fit Year(s)2008
Part NumberC11-00008-158
Stock NumberP-98212
MLS Number13450188
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
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