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Truck Rear Differentials for Sale

Shop new, used, and remanufactured Rear Differentials on MyLittleSalesman.com, with prices from $45 to $6,500. Apply filters for condition, price, or year to focus your search. 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 15,936 Rear Differential Listings

1 - 25 of 15,936 listings
1 - 25 of 15,936 listings
Dana S23-170 Rear Differential for a 2009 International 4400

Dana S23-170 Rear Differential for a 2009 International 4400

Newly Listed
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(Used) 2009 International 4400, DIFFERENTIAL GEARS ONLY- Part Number: 512314, Serial Number: HN03230800, Make: Spicer, Model: S23-170, Ratio: 5.25, Capacity: 20,000 Lbs, Reference images for...
ConditionUsed
Rear End5.25 ratio
Fits To Make(s)International
Fits To Model(s)4400
Will Fit Year(s)2009
Part Number512314
Stock NumberP-514015
MLS Number14630033
CategoryDifferentials, Rear
Last Updated9/29/2026
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 Freightliner Cascadia 126

Meritor-Rockwell MT40-14X Rear Differential for a 2024 Freightliner Cascadia 126

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(Used) 2024 Freightliner Cascadia 126, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00044-261, Serial Number: DRA24360130, Make: Meritor, Model: MT40-14X, Ratio: 3.42, Capacity: 20,000 Lbs...
ConditionUsed
Rear End3.42 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2024
Part NumberC11-00044-261
Stock NumberP-513922
MLS Number14629939
CategoryDifferentials, Rear
Last Updated9/29/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Mack CRD92 Rear Differential for a 2004 Mack CV713 Granite

Mack CRD92 Rear Differential for a 2004 Mack CV713 Granite

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(Used) 2004 Mack CV713 Granite, REAR DIFFERENTIAL GEARS ONLY- Serial Number: EGH05145707, Part Number: A3121E2865, Make: Mack, Model: CRD92, Ratio: 4.58, Capacity: 23,000 Lbs, Reference...
ConditionUsed
Rear End4.58 ratio
Fits To Make(s)Mack
Fits To Model(s)CV713 Granite
Will Fit Year(s)2004
Part NumberA3121E2865
Stock NumberP-511289
MLS Number14545517
CategoryDifferentials, Rear
Last Updated9/29/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Meritor-Rockwell RS23160 Rear Differential for a 2019 Freightliner Cascadia 116 Day Cab

Meritor-Rockwell RS23160 Rear Differential for a 2019 Freightliner Cascadia 116 Day Cab

Recently Updated
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(Used) 2019 Freightliner Cascadia 116 Day Cab, DIFFERENTIAL GEARS ONLY- Part Number: C11-00056-212, Serial Number: FOR05056628, Make: Meritor, Model: RS23-160, Ratio: 3.07, Capacity: 23,000...
ConditionUsed
Rear End3.07 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 116 Day Cab
Will Fit Year(s)2019
Part NumberC11-00056-212
Stock NumberP-115005
MLS Number14028371
CategoryDifferentials, Rear
Last Updated9/29/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Eaton DS404 Rear Differential for a 2000 Peterbilt 379

Eaton DS404 Rear Differential for a 2000 Peterbilt 379

Newly Listed
$695 USD
USED T.O RS404 3.70 RATIO, WILL INSPECT IN OUR GEARSHOP, 90 DAY WARRANTY., Axle Spline Count: GET, Serial#: GET, Core Charge: 250.00, Ratio: 370
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)379
Will Fit Year(s)2000
Part NumberGET
Stock Number90926-4
MLS Number14629772
CategoryDifferentials, Rear
Last Updated9/29/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Meritor-Rockwell MT-40-14X Rear Differential for a 2024 Peterbilt 579

Meritor-Rockwell MT-40-14X Rear Differential for a 2024 Peterbilt 579

Recently Updated
$1,495 USD
LOW MILE TAKEOUT,LOCKER (20-145 STYLE CASE) 90 DAY WARRANTY EXCHANGE, Ratio: 3.08, Casting#: NA, Serial#: NA, Core Charge: 750.00
ConditionUsed
Rear End3.08 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2024
Part Number20-14X
Stock Number110524-5
MLS Number13992296
CategoryDifferentials, Rear
Last Updated9/29/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Eaton D46-170 Rear Differential for a 2016 Peterbilt 579

Eaton D46-170 Rear Differential for a 2016 Peterbilt 579

Newly Listed
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2016 PETE 579 SPICER D46-170 REAR REAR DIFF, 3.73 RATIO, WITH LOCK, ABS, DRUM BRAKE PACCAR SUSPENSION, 40000 LBS, Serial#: NA, Ratio: 3.73
ConditionUsed
Rear End3.73 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2016
Stock Number3778-PETE-6
MLS Number14629682
CategoryDifferentials, Rear
Last Updated9/29/2026
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
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Badger Truck Parts Ltd.
Meritor MR2014X Rear Differential for a International Prostar

2013 Meritor MR2014X Rear Differential for a International Prostar

Recently Updated
$395 USD
(USED) Meritor MR2014X Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200F2216 Ref# 3200F2216
ConditionUsed
Fits To Make(s)International
Fits To Model(s)PROSTAR
Part Number3200F2216
Stock Number25398967
MLS Number11960341
CategoryDifferentials, Rear
Last Updated9/28/2026
Location
Winimac, IN, US
Sold By
Vander Haag's Inc.
(855) 370-___  SHOW
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Vander Haag's Inc.
Meritor-Rockwell RS21-145N Rear Differential for a 2005 Freightliner M2 106

Meritor-Rockwell RS21-145N Rear Differential for a 2005 Freightliner M2 106

Newly Listed
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(Used) 2005 Freightliner M2 106, DIFFERENTIAL GEARS ONLY- Part Number: S11-16194-557, Serial Number: AVA05001275, Make: Meritor, Model: RS21-145N, Ratio: 5.57, Capacity: 20,000 Lbs,...
ConditionUsed
Rear End5.57 ratio
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2005
Part NumberS11-16194-557
Stock NumberP-513899
MLS Number14628783
CategoryDifferentials, Rear
Last Updated9/27/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Meritor ME20165 Rear Differential for a Freightliner Cascadia

2015 Meritor ME20165 Rear Differential for a Freightliner Cascadia

Price Drop $350 USD
(USED) Meritor ME20165 Ratio: 2.50 Side Gear Splines: 46 W/ Locker: YES Cast#: 3200S1891 Ref# 3200S1891
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)CASCADIA
Part Number3200S1891
Stock Number25401691
MLS Number12041120
CategoryDifferentials, Rear
Last Updated9/27/2026
Location
Winimac, IN, US
Sold By
Vander Haag's Inc.
(855) 370-___  SHOW
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Vander Haag's Inc.
Axle Alliance RS15-2N Rear Differential for a Freightliner MT55 Chassis

2010 Axle Alliance RS15-2N Rear Differential for a Freightliner MT55 Chassis

Recently Updated
$650 USD
Alliance R15-2N, 4.10 Ratio, S/N DRH09706368, Pullout. DIFF ONLY, HOUSING SOLD SEPARATELY
ConditionUsed
Rear End4.10 ratio
Fits To Make(s)FREIGHTLINER
Fits To Model(s)MT55 Chassis
Stock NumberUPS-148308-3
MLS Number14291406
CategoryDifferentials, Rear
Last Updated9/27/2026
Location
Dinuba, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
Axle Alliance RS15-2N Rear Differential for a Freightliner MT55 Chassis

2009 Axle Alliance RS15-2N Rear Differential for a Freightliner MT55 Chassis

Recently Updated
$650 USD
R15-2N, 4.10 Ratio, S/N 742820A100320, PULLOUT. PRICE IS FOR DIFFERENTIAL ONLY.
ConditionUsed
Rear End4.10 ratio
Fits To Make(s)FREIGHTLINER
Fits To Model(s)MT55 Chassis
Stock NumberUPS-144506-3
MLS Number14290917
CategoryDifferentials, Rear
Last Updated9/27/2026
Location
Dinuba, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
NUMBERCall Seller
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Garabedian Equipment
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