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Detroit RS20-4 Axles & Differentials For Sale

Browse Detroit RS20-4 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 Detroit RS20-4.
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Truck Parts (13)
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Axles & Differentials (13)
   Axle Assemblies, Rear (5)    Axle Housings, Rear (4)    Differentials, Rear (4)
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Detroit (13)
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Showing 1 - 13 of 13 Listings

1 - 13 of 13 listings
1 - 13 of 13 listings
Detroit RS20-4 Rear Differential for a 2021 Freightliner M2 106

Detroit RS20-4 Rear Differential for a 2021 Freightliner M2 106

Contact for price
(Used) 2021 Freightliner M2 106, DIFFERENTIAL GEARS ONLY- Part Number: C11-00008-324, Serial Number: 742821B0183544, Make: Detroit, Model: RS20-4, Ratio: 5.56, Capacity: 21,000 Lbs,...
ConditionUsed
Rear End5.56 ratio
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2021
Part NumberC11-00008-324
Stock NumberP-504703
MLS Number14427651
CategoryDifferentials, Rear
Last Updated6/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Detroit RS20-4 Rear Axle Housing for a 2021 Freightliner M2 106

Detroit RS20-4 Rear Axle Housing for a 2021 Freightliner M2 106

Contact for price
(Used) 2021 Freightliner M2 106, DIFFERENTIAL HOUSING ONLY- Part Number: C11-00008-324, Serial Number: 742821B0183544, Make: Detroit, Model: RS20-4, Ratio: 5.56, Capacity: 21,000 Lbs,...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2021
Part NumberC11-00008-324
Stock NumberP-504701
MLS Number14427648
CategoryAxle Housings, Rear
Last Updated6/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Detroit RS20-4 Rear Axle Assembly for a 2021 Freightliner M2 106

Detroit RS20-4 Rear Axle Assembly for a 2021 Freightliner M2 106

Contact for price
(Used) 2021 Freightliner M2 106, COMPLETE REAR DIFFERENTIAL- Part Number: C11-00008-324, Serial Number: 742821B0183544, Make: Detroit, Model: RS20-4, Ratio: 5.56, Capacity: 21,000 Lbs, Hub...
ConditionUsed
Rear End5.56 ratio
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2021
Part NumberC11-00008-324
Stock NumberP-504700
MLS Number14427647
CategoryAxle Assemblies, Rear
Last Updated7/2/2026
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
Detroit RS20-4 Rear Axle Assembly for a 2019 Freightliner M2 106

Detroit RS20-4 Rear Axle Assembly for a 2019 Freightliner M2 106

Contact for price
(Used) 2019 Freightliner M2 106, COMPLETE REAR DIFFERENTIAL- Serial Number: 742821B0021125, Make: Detroit, Model: RS20-4, Ratio: 5.22, Capacity: 21,000 Lbs, Hub Bolts: 10, Brake Type: Drum,...
ConditionUsed
Rear End5.22 ratio
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2019
Stock NumberP-504137
MLS Number14427106
CategoryAxle Assemblies, Rear
Last Updated6/13/2026
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
Detroit RS20-4 Rear Differential for a 2020 Freightliner M2 106

Detroit RS20-4 Rear Differential for a 2020 Freightliner M2 106

Contact for price
(Used) 2020 Freightliner M2 106, DIFFERENTIAL GEARS ONLY- Part Number: C11-00008-326, Serial Number: 742821B0087651, Make: Detroit, Model: RS20-4, Ratio: 5.56, Capacity: 21,000 Lbs,...
ConditionUsed
Rear End5.56 ratio
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2020
Part NumberC11-00008-326
Stock NumberP-504070
MLS Number14427048
CategoryDifferentials, Rear
Last Updated6/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Detroit RS20-4 Rear Axle Housing for a 2020 Freightliner M2 106

Detroit RS20-4 Rear Axle Housing for a 2020 Freightliner M2 106

Contact for price
(Used) 2020 Freightliner M2 106, DIFFERENTIAL HOUSING ONLY- Part Number: C11-00008-326, Serial Number: 742821B0087651, Make: Detroit, Model: RS20-4, Ratio: 5.56, Capacity: 21,000 Lbs,...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2020
Part NumberC11-00008-326
Stock NumberP-504069
MLS Number14427047
CategoryAxle Housings, Rear
Last Updated6/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Detroit RS20-4 Rear Axle Assembly for a 2020 Freightliner M2 106

Detroit RS20-4 Rear Axle Assembly for a 2020 Freightliner M2 106

Contact for price
(Used) 2020 Freightliner M2 106, COMPLETE REAR DIFFERENTIAL- Part Number: C11-00008-326, Serial Number: 742821B0087651, Make: Detroit, Model: RS20-4, Ratio: 5.56, Capacity: 21,000 Lbs, Hub...
ConditionUsed
Rear End5.56 ratio
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2020
Part NumberC11-00008-326
Stock NumberP-504068
MLS Number14427046
CategoryAxle Assemblies, Rear
Last Updated6/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Detroit RS20-4 Rear Axle Assembly for a 2019 Freightliner M2 106

Detroit RS20-4 Rear Axle Assembly for a 2019 Freightliner M2 106

Contact for price
(Used) 2019 Freightliner M2 106, COMPLETE REAR DIFFERENTIAL- Part Number: C11-00008-188, Serial Number: 742818B0011586, Make: Detroit, Model: RS20-4, Ratio: 5.22, Capacity: 21,000 Lbs, Hub...
ConditionUsed
Rear End5.22 ratio
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2019
Part NumberC11-00008-188
Stock NumberP-105139
MLS Number13654960
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
Detroit RS20-4 Rear Axle Housing for a 2019 Freightliner M2 106

Detroit RS20-4 Rear Axle Housing for a 2019 Freightliner M2 106

Contact for price
(Used) 2019 Freightliner M2 106, COMPLETE DIFFERENTIAL HOUSING ONLY- Part Number: C11-00008-188, Serial Number: 742818B0011586, Make: Detroit, Model: RS20-4, Ratio: 5.22, Capacity: 21,000...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2019
Part NumberC11-00008-188
Stock NumberP-105142
MLS Number13654962
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
Detroit RS20-4 Rear Differential for a 2019 Freightliner M2 106

Detroit RS20-4 Rear Differential for a 2019 Freightliner M2 106

Contact for price
(Used) 2019 Freightliner M2 106, COMPLETE DIFFERENTIAL GEARS ONLY- Part Number: C11-00008-188, Serial Number: 742818B0011586, Make: Detroit, Model: RS20-4, Ratio: 5.22, Capacity: 21,000 Lbs,...
ConditionUsed
Rear End5.22 ratio
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2019
Part NumberC11-00008-188
Stock NumberP-105143
MLS Number13654963
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
Detroit RS20-4 Rear Axle Assembly for a 2020 Freightliner M2 106

Detroit RS20-4 Rear Axle Assembly for a 2020 Freightliner M2 106

Contact for price
(Used) 2020 Freightliner M2 106, COMPLETE REAR DIFFERENTIAL- Part Number: C11-00008-138, Serial Number: 742821B0079232, Make: Detroit, Model: RS20-4, Ratio: 5.25, Capacity: 21,000 lbs, Hub...
ConditionUsed
Rear End5.25 ratio
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2020
Part NumberC11-00008-138
Stock NumberP-107372
MLS Number13700628
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
Detroit RS20-4 Rear Axle Housing for a 2020 Freightliner M2 106

Detroit RS20-4 Rear Axle Housing for a 2020 Freightliner M2 106

Contact for price
(Used) 2020 Freightliner M2 106, COMPLETE DIFFERENTIAL HOUSING ONLY- Part Number: C11-00008-138, Serial Number: 742821B0079232, Make: Detroit, Model: RS20-4, Ratio: 5.25, Capacity: 21,000...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2020
Part NumberC11-00008-138
Stock NumberP-107373
MLS Number13700629
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
Detroit RS20-4 Rear Differential for a 2020 Freightliner M2 106

Detroit RS20-4 Rear Differential for a 2020 Freightliner M2 106

Contact for price
(Used) 2020 Freightliner M2 106, COMPLETE DIFFERENTIAL GEARS ONLY- Part Number: C11-00008-138, Serial Number: 742821B0079232, Make: Detroit, Model: RS20-4, Ratio: 5.25, Capacity: 21,000 lbs,...
ConditionUsed
Rear End2.25 ratio
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2020
Part NumberC11-00008-138
Stock NumberP-107374
MLS Number13700630
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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