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Truck Rear Differentials for Sale

Find new, used, and remanufactured Rear Differentials on MyLittleSalesman.com, with prices from $45 to $6,500. Filter by condition, price, or year to zero in on the exact Rear Differential. Browse complete rear differential assemblies for semi trucks and heavy duty commercial vehicles. Find single, tandem, and inter-axle differentials from Meritor, Dana Spicer, Eaton, and other manufacturers.
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Showing 1 - 25 of 16,581 Rear Differential Listings

1 - 25 of 16,581 listings
1 - 25 of 16,581 listings
Meritor-Rockwell MT40-14X Rear Differential for a 2019 Freightliner Cascadia 116 Day Cab

Meritor-Rockwell MT40-14X Rear Differential for a 2019 Freightliner Cascadia 116 Day Cab

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(Used) 2019 Freightliner Cascadia 116 Day Cab, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00050-745, Serial Number: DRA18250284, Make: Meritor, Model: MT40-14X, Ratio: 2.47, Capacity: 20...
ConditionUsed
Rear End2.47 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 116 Day Cab
Will Fit Year(s)2019
Part NumberC11-00050-745
Stock NumberP-512070
MLS Number14565403
CategoryDifferentials, Rear
Last Updated8/26/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Meritor-Rockwell RT40-145 Rear Differential for a 2007 Freightliner Columbia 120

Meritor-Rockwell RT40-145 Rear Differential for a 2007 Freightliner Columbia 120

Recently Updated
$994.98 USD
(Used) 2007 Freightliner Columbia 120, REAR DIFFERENTIAL GEARS ONLY- Part Number: S11-18029-342, Serial Number: FOR00086948, Make: Meritor, Model: RT40-145, Ratio: 3.42, Capacity: 20,000 Lbs...
ConditionUsed
Rear End3.42 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Columbia 120
Will Fit Year(s)2007
Part NumberS11-18029-342
Stock NumberP-493832
MLS Number14083789
CategoryDifferentials, Rear
Last Updated8/26/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Axle Alliance Rear Differential for a Freightliner M2 106

2021 Axle Alliance Rear Differential for a Freightliner M2 106

Recently Updated
$450 USD
Core - R21-4N - 5.56 Ratio - grade C - rebuildable - p/n C11-00008-329 - gearset pitted, case good.
ConditionUsed
Rear End5.56 ratio
Fits To Make(s)FREIGHTLINER
Fits To Model(s)M2 106
Stock Number31925
MLS Number14451055
CategoryDifferentials, Rear
Last Updated8/25/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
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