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Detroit RS21-4 Rear Differentials For Sale

Shop used Detroit RS21-4 Rear 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 Detroit RS21-4 Rear Differential that fits your job.
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Showing 1 - 6 of 6 Rear Differential Listings

1 - 6 of 6 listings
1 - 6 of 6 listings
Detroit RS21-4 Rear Differential for a 2022 Freightliner M2 106

Detroit RS21-4 Rear Differential for a 2022 Freightliner M2 106

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(Used) 2022 Freightliner M2 106, COMPLETE DIFFERENTIAL GEARS ONLY- Part Number: C11-00007-208, Serial Number: 742821B0235160, Make: Detroit, Model: RS21-4, Ratio: 5.56, Capacity: 19,000 Lbs,...
ConditionUsed
Rear End5.56 ratio
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2022
Part NumberC11-00007-208
Stock NumberP-102287
MLS Number13583952
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Detroit RS21-4 Rear Differential for a 2020 Freightliner M2 106

Detroit RS21-4 Rear Differential for a 2020 Freightliner M2 106

Contact for price
(Used) 2020 Freightliner M2 106, DIFFERENTIAL GEARS ONLY- Part Number: C11-00007-208, Serial Number: 742821B0095274, Make: Detroit, Model: RS21-4, Ratio: 5.56, Capacity: 19,000 Lbs, For more...
ConditionUsed
Rear End5.56 ratio
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2020
Part NumberC11-00007-208
Stock NumberP-495136
MLS Number14108422
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 RS21-4 Rear Differential for a 2020 Freightliner M2 106

Detroit RS21-4 Rear Differential for a 2020 Freightliner M2 106

Contact for price
(Used) 2020 Freightliner M2 106, DIFFERENTIAL GEARS ONLY- Part Number: C11-00009-160, Serial Number: 742821B0120691, Make: Detroit, Model: RS21-4, Ratio: 5.88, Capacity: 17,500 Lbs, For more...
ConditionUsed
Rear End5.88 ratio
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2020
Part NumberC11-00009-160
Stock NumberP-496981
MLS Number14142545
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 RS21-4 Rear Differential for a 2024 Freightliner M2 106

Detroit RS21-4 Rear Differential for a 2024 Freightliner M2 106

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(Used) 2024 Freightliner M2 106, DIFFERENTIAL GEARS ONLY- Part Number: C11-00007-217, Serial Number: 742821A0267291, Make: Detroit, Model: RS21-4, Ratio: 5.56, Capacity: 19,000 Lbs,...
ConditionUsed
Rear End5.56 ratio
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2024
Part NumberC11-00007-217
Stock NumberP-497944
MLS Number14157193
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 RS21-4 Rear Differential for a 2019 Freightliner M2 106

Detroit RS21-4 Rear Differential for a 2019 Freightliner M2 106

Contact for price
(Used) 2019 Freightliner M2 106, DIFFERENTIAL GEARS ONLY- Part Number: C11-00007-217, Serial Number: 742821B0055761, Make: Detroit, Model: RS21-4, 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)2019
Part NumberC11-00007-217
Stock NumberP-501447
MLS Number14284100
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 RS21-4 Rear Differential for a 2020 Freightliner M2 106

Detroit RS21-4 Rear Differential for a 2020 Freightliner M2 106

Contact for price
(Used) 2020 Freightliner M2 106, DIFFERENTIAL GEARS ONLY- Part Number: C11-00007-109, Serial Number: 742821B0084685, Make: Detroit, Model: RS21-4, Ratio: 5.88, Capacity: 19,000 Lbs,...
ConditionUsed
Rear End5.88 ratio
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2020
Part NumberC11-00007-109
Stock NumberP-502209
MLS Number14318219
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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