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Axle Alliance R21-4N Axles & Differentials For Sale

Browse Axle Alliance R21-4N Axles & Differentials on MyLittleSalesman.com and compare listings with prices available. Sellers include CRG Heavy Truck Parts. Filter by condition, price, or year to quickly narrow down to the right Axle Alliance R21-4N.
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Truck Parts (6)
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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 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 Updated3/15/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall 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-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 Updated2/9/2026
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 Updated2/9/2026
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 Updated3/14/2025
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-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 Updated2/9/2026
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-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 Updated2/9/2026
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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