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Truck Rear Differentials for Sale

Review new, used, and remanufactured Rear Differentials on MyLittleSalesman.com, with prices from $45 to $6,000. Filter by condition, price, or year to filter by what fits your job. 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 15,327 Rear Differential Listings

1 - 25 of 15,327 listings
1 - 25 of 15,327 listings
Meritor-Rockwell RD20-145 Rear Differential for a 2009 Sterling ACTERRA

Meritor-Rockwell RD20-145 Rear Differential for a 2009 Sterling ACTERRA

Newly Listed
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(Used) 2009 Sterling ACTERRA, REAR DIFFERENTIAL GEARS ONLY- Part Number: S11-16333-529, Serial Number: FOR00610187, Make: Meritor, Model: RD20-145, Ratio: 5.29, Capacity: 20,000 Lbs,...
ConditionUsed
Rear End5.29 ratio
Fits To Make(s)Sterling
Fits To Model(s)ACTERRA
Will Fit Year(s)2009
Part NumberS11-16333-529
Stock NumberP-511154
MLS Number14541014
CategoryDifferentials, Rear
Last Updated8/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Dana RSP40 Rear Differential for a 2007 Peterbilt 387

Dana RSP40 Rear Differential for a 2007 Peterbilt 387

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(Used) 2007 Peterbilt 387, REAR DIFFERENTIAL GEARS ONLY- Part Number: C05-140601H4A00355, Serial Number: HN02497971, Make: Spicer, Model: DSP40, Ratio: 3.55, Capacity: 18,000 Lbs, Reference...
ConditionUsed
Rear End3.55 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)387
Will Fit Year(s)2007
Part NumberC05-140601H4A00355
Stock NumberP-511128
MLS Number14540989
CategoryDifferentials, Rear
Last Updated8/13/2026
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 2005 Kenworth T2000

Dana DSP40 Rear Differential for a 2005 Kenworth T2000

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(Used) 2005 Kenworth T2000, REAR DIFFERENTIAL GEARS ONLY- Serial Number: HN01424074, Part Number: 310835, Make: Spicer, Model: DSP40, Ratio: 3.36, Capacity: 19,000 Lbs, Reference images for...
ConditionUsed
Rear End3.36 ratio
Fits To Make(s)Kenworth
Fits To Model(s)T2000
Will Fit Year(s)2005
Part Number310835
Stock NumberP-112014
MLS Number13853382
CategoryDifferentials, Rear
Last Updated8/13/2026
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 2015 Peterbilt 579

Meritor-Rockwell MT40-14X Rear Differential for a 2015 Peterbilt 579

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2015 PETE 579 MERITOR MT14-40X REAR REAR DIFF, 3.90 RATIO, NO LOCKS, ABS, DRUM BRAKE, 40000 LBS, Ratio: 3.90, Casting#: NA, Serial#: NA
ConditionUsed
Rear End3.90 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2015
Stock Number3858-PETE-5
MLS Number13749028
CategoryDifferentials, Rear
Last Updated8/13/2026
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
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Badger Truck Parts Ltd.
International Rear Differential for a International 4400

2005 International Rear Differential for a International 4400

Recently Updated
$750 USD
Complete Rear Diff/Third Member 5.57 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 Number83520
MLS Number14504608
CategoryDifferentials, Rear
Last Updated8/12/2026
Location
Wheat Ridge, CO, US
Sold By
DTI Truck Parts
(833) 614-___  SHOW
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DTI Truck Parts
Dana S21-170D Rear Differential for a 2012 Kenworth T270

Dana S21-170D Rear Differential for a 2012 Kenworth T270

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(Used) 2012 Kenworth T270, DIFFERENTIAL GEARS ONLY- Part Number: 512327, Serial Number: HN03777831, Make: Spicer, Model: S21-170D, Ratio: 4.56, Capacity: 16,000 Lbs, Reference images for...
ConditionUsed
Rear End4.56 ratio
Fits To Make(s)Kenworth
Fits To Model(s)T270
Will Fit Year(s)2012
Part Number512327
Stock NumberP-504584
MLS Number14427534
CategoryDifferentials, Rear
Last Updated8/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Meritor-Rockwell 40-145 Rear Differential for a 1996 Freightliner FLD120

Meritor-Rockwell 40-145 Rear Differential for a 1996 Freightliner FLD120

Newly Listed
$695 USD
USED TAKEOUT 20-145 3.42 RATIO. WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY EXCHANGE., Serial#: NA, Core Charge: 250.00, Ratio: 3.42, Casting#: NA
ConditionUsed
Rear End3.42 ratio
Fits To Make(s)Freightliner
Fits To Model(s)FLD120
Will Fit Year(s)1996
Stock Number80626-4
MLS Number14536765
CategoryDifferentials, Rear
Last Updated8/12/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
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