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Truck Rear Differentials for Sale

Explore marketplace listings for new, used, and remanufactured Rear Differentials on MyLittleSalesman.com, with prices from $45 to $6,500. Filter by condition, price, or year to see work-ready Rear Differentials available near you now. 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 16,133 Rear Differential Listings

1 - 25 of 16,133 listings
1 - 25 of 16,133 listings
Detroit RT40-NFD Rear Differential for a 2021 Freightliner Cascadia 126

Detroit RT40-NFD Rear Differential for a 2021 Freightliner Cascadia 126

Recently Updated
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(Used) 2021 Freightliner Cascadia 126, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-618, Serial Number: 771195B0160106, Make: Detroit, Model: RT40-NFD, Ratio: 2.41, Capacity: 20,000...
ConditionUsed
Rear End2.41 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2021
Part NumberC11-00051-618
Stock NumberP-499331
MLS Number14231950
CategoryDifferentials, Rear
Last Updated9/18/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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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

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(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 Updated9/18/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Meritor-Rockwell MT40-14X3CFR Rear Differential for a 2022 International LT625

Meritor-Rockwell MT40-14X3CFR Rear Differential for a 2022 International LT625

Newly Listed
$895 USD
TAKEOUT MT40-14X 2.79 RATIO, WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY., Axle Spline Count: GET, Serial#: GET, Core Charge: 250.00, Ratio: 2.79
ConditionUsed
Fits To Make(s)International
Fits To Model(s)LT625
Will Fit Year(s)2022
Part NumberGET
Stock Number90326-4
MLS Number14612476
CategoryDifferentials, Rear
Last Updated9/18/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Axle Alliance RT40.0-4 Rear Differential for a Freightliner Cascadia

2015 Axle Alliance RT40.0-4 Rear Differential for a Freightliner Cascadia

Recently Updated
$415 USD
(USED) Alliance Axle RT40.0-4 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510805 Ref# R6813510805
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)CASCADIA
Part NumberR6813510805
Stock Number25408023
MLS Number13143957
CategoryDifferentials, Rear
Last Updated9/18/2026
Location
Winimac, IN, US
Sold By
Vander Haag's Inc.
(855) 370-___  SHOW
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Vander Haag's Inc.
Axle Alliance RT40-4NR Rear Differential for a Freightliner Cascadia 125

2013 Axle Alliance RT40-4NR Rear Differential for a Freightliner Cascadia 125

Recently Updated
$510 USD
RT40-4N Rear - 3.42 Ratio - Core - Grade C - Rebuildable - Bad Gear Set, Good Case. CORE UNIT SOLD AS-IS.
ConditionUsed
Rear End3.42 ratio
Fits To Make(s)FREIGHTLINER
Fits To Model(s)Cascadia 125
Stock Number25739
MLS Number13909479
CategoryDifferentials, Rear
Last Updated9/17/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
International Rear Differential for a International 4400

2013 International Rear Differential for a International 4400

Recently Updated
$750 USD
Complete Rear Diff/Third Member 4.88 Gear Ratio, Good Condition, Call DTI Trucks for more information and a shipping quote.
ConditionUsed
Fits To Make(s)INTERNATIONAL
Fits To Model(s)4400
Stock Number82612
MLS Number14404431
CategoryDifferentials, Rear
Last Updated9/17/2026
Location
Wheat Ridge, CO, US
Sold By
DTI Truck Parts
(833) 614-___  SHOW
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DTI Truck Parts
Eaton 21060S Rear Differential for a 2006 International 4300

Eaton 21060S Rear Differential for a 2006 International 4300

Newly Listed
$750 USD
IH4300 2006 CREW CAB CALL FOR PARTS PRICING, FUEL TANK BRKTS $650, INJECTORS $150, TURBO $650, HOOD $1200, CAB $2000, ES527A $1500, ECM $650, CCM $650, RAD $450, AIR TANKS $150, DOORS $450,...
ConditionUsed
Rear End4.88 ratio
Fits To Make(s)International
Fits To Model(s)4300
Will Fit Year(s)2006
Stock Number203421
MLS Number14610778
CategoryDifferentials, Rear
Last Updated9/17/2026
Location
Felda, FL, US
Sold By
Delauto Used Truck Parts
(844) 925-___  SHOW
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Meritor-Rockwell RT46-160 Rear Differential for a 2023 Freightliner Cascadia 126

Meritor-Rockwell RT46-160 Rear Differential for a 2023 Freightliner Cascadia 126

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(Used) 2023 Freightliner Cascadia 126, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00061-072, Serial Number: DRA23933811, Make: Meritor, Model: RT46-160, Ratio: 3.73, Capacity: 23,000 Lbs...
ConditionUsed
Rear End3.73 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2023
Part NumberC11-00061-072
Stock NumberP-503810
MLS Number14426793
CategoryDifferentials, Rear
Last Updated9/18/2026
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 2001 International 4900

Dana 26105S Rear Differential for a 2001 International 4900

Recently Updated
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(Used) 2001 International 4900, DIFFERENTIAL GEARS ONLY- Part Number: 214902, Serial Number: HN00462378, Make: Spicer, Model: 26105S, Ratio: 5.25, Capacity: 26,000 Lbs, Reference images for...
ConditionUsed
Rear End5.25 ratio
Fits To Make(s)International
Fits To Model(s)4900
Will Fit Year(s)2001
Part Number214902
Stock NumberP-502370
MLS Number14322621
CategoryDifferentials, Rear
Last Updated9/18/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
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