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Truck Rear Differentials for Sale

Explore new, used, and remanufactured Rear Differentials on MyLittleSalesman.com, with prices from $45 to $6,000. Use filters for condition, price, or year to narrow by what matters. 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 14,969 Rear Differential Listings

1 - 25 of 14,969 listings
1 - 25 of 14,969 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

Recently Updated
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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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