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Truck Rear Differentials for Sale

Browse new, used, and remanufactured Rear Differentials on MyLittleSalesman.com, with prices from $45 to $6,000. Quickly refine results with filters for condition, price, or year. 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 13,856 Rear Differential Listings

1 - 25 of 13,856 listings
1 - 25 of 13,856 listings
Detroit RT40-NFD Rear Differential for a 2022 Freightliner Cascadia 126

Detroit RT40-NFD Rear Differential for a 2022 Freightliner Cascadia 126

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(Used) 2022 Freightliner Cascadia 126, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-615, Serial Number: 771195B0268375, Make: Detroit, Model: RT40-NFD, Ratio: 3.08, Capacity: 20,000...
ConditionUsed
Rear End3.08 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2022
Part NumberC11-00051-615
Stock NumberP-510910
MLS Number14533334
CategoryDifferentials, Rear
Last Updated8/9/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Meritor-Rockwell MT40-14X Rear Differential for a 2024 Western Star 47X

Meritor-Rockwell MT40-14X Rear Differential for a 2024 Western Star 47X

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(Used) 2024 Western Star 47X, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00044-258, Serial Number: FOR08443121, Make: Meritor/Rockwell, Model: MT40-14X, Ratio: 4.33, Capacity: 20,000 Lbs...
ConditionUsed
Rear End4.33 ratio
Fits To Make(s)Western Star
Fits To Model(s)47X
Will Fit Year(s)2024
Part NumberC11-00044-258
Stock NumberP-498976
MLS Number14220157
CategoryDifferentials, Rear
Last Updated8/9/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Dana 26105S Rear Differential for a 2003 International 4400

Dana 26105S Rear Differential for a 2003 International 4400

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(Used) 2003 International 4400, DIFFERENTIAL GEARS ONLY- Part Number: 214902, Serial Number: HN00856756, Make: Spicer, Model: 26105S, Ratio: 5.25, Capacity: 26,000 Lbs, For more...
ConditionUsed
Rear End5.25 ratio
Fits To Make(s)International
Fits To Model(s)4400
Will Fit Year(s)2003
Part Number214902
Stock NumberP-108692
MLS Number13752240
CategoryDifferentials, Rear
Last Updated8/9/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Dana 21060S Rear Differential for a 2018 Ford F-750

Dana 21060S Rear Differential for a 2018 Ford F-750

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(Used) 2018 Ford F-750, DIFFERENTIAL GEARS ONLY- Serial Number: HN07533199, Part Number: FC44-4008, Make: Spicer, Model: 21060S, Ratio: 6.17, Capacity: 21,000 Lbs, Reference images for...
ConditionUsed
Rear End6.17 ratio
Fits To Make(s)Ford
Fits To Model(s)F-750
Will Fit Year(s)2018
Part NumberFC44-4008
Stock NumberP-510878
MLS Number14531896
CategoryDifferentials, Rear
Last Updated8/8/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Meritor-Rockwell RS23161 Rear Differential for a 2018 Peterbilt 579

Meritor-Rockwell RS23161 Rear Differential for a 2018 Peterbilt 579

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(Used) 2018 Peterbilt 579, DIFFERENTIAL GEARS ONLY- Part Number: C05-2A040113A10280, Serial Number: FOR04582790, Make: Meritor, Model: RS23-161, Ratio: 2.80, Capacity: 22,700 Lbs, Reference...
ConditionUsed
Rear End2.80 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2018
Part NumberC05-2A040113A10280
Stock NumberP-503991
MLS Number14426970
CategoryDifferentials, Rear
Last Updated8/9/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Dana DSP40 Rear Differential for a 2003 Kenworth W900

Dana DSP40 Rear Differential for a 2003 Kenworth W900

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(Used) 2003 Kenworth W900, COMPLETE REAR DIFFERENTIAL GEARS ONLY- REMANUFACTURED!! Part Number: 130823, Serial Number: 749565, Make: Spicer, Model: DSP40, Ratio: 3.70, Capacity: 20,000 Lbs,...
ConditionUsed
Rear End3.70 ratio
Fits To Make(s)Kenworth
Fits To Model(s)W900
Will Fit Year(s)2003
Part Number130823
Stock NumberP-102819
MLS Number13603248
CategoryDifferentials, Rear
Last Updated8/9/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Meritor-Rockwell RR20-145 Rear Differential

Meritor-Rockwell RR20-145 Rear Differential

Recently Updated
$595 USD
RR20-145 3.73 INSPECTED TAKOUT 90 DAY PARTS AONLY WARRANTY EXTENDED WARRANTY AVAILABLE, Axle Spline Count: 41, Serial#: 15999, Core Charge: EXCHANGE, Ratio: 373
ConditionUsed
Rear End3.73 ratio
Part Number15999
Stock Number15999
MLS Number13142390
CategoryDifferentials, Rear
Last Updated8/9/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Meritor-Rockwell QR100 Rear Differential

Meritor-Rockwell QR100 Rear Differential

Recently Updated
$1,495 USD
REBUILT QR100 3.73. 12 MONTH PARTS LABOR WARRNTY. EXTENDED WARRANTY AVAILABLE., Casting#: 14500, Axle Spline Count: 41, Serial#: 14500, Core Charge: EXCHANGE CRITICAL CORE 500
ConditionRemanufactured
Part Number14500
Stock Number14500
MLS Number12963277
CategoryDifferentials, Rear
Last Updated8/8/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
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