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Truck Rear Differentials for Sale

Find deals on new, used, and remanufactured Rear Differentials on MyLittleSalesman.com, with prices from $45 to $5,450. Use filters for condition, price, or year to compare options. 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 16,884 Rear Differential Listings

1 - 25 of 16,884 listings
1 - 25 of 16,884 listings
Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 126

2019 Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 126

Newly Listed
$1,500 USD
Core - DA-RT-40.0-4S HH (RT40-NFD Rear) - 2.85 Ratio - Grade D - broken gear set, burnt pinion bearings, good case. core unit sold as-is.
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)FREIGHTLINER
Fits To Model(s)Cascadia 126
Stock Number28877
MLS Number14319900
CategoryDifferentials, Rear
Last Updated4/18/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
Rockwell RSL-23-160 Rear Differential

Rockwell RSL-23-160 Rear Differential

Recently Updated
$850 USD
Good used Rockwell RSL-23-160 full locking rear, rear differential assembly. 3.58 ratio. 90 day guarantee for swap or refund
ConditionUsed
Rear End3.58 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RSL-23-160
Stock NumberRyd RSL-23-160/3.58
MLS Number10806803
CategoryDifferentials, Rear
Last Updated4/18/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
Rockwell RS20145 Rear Differential for a Rockwell RS-20-145

Rockwell RS20145 Rear Differential for a Rockwell RS-20-145

Recently Updated
$600 USD
Good used Rockwell RS-20-145 rear, rear differential assembly. 3.90 Ratio. 90 day guarantee for swap or refund,
ConditionUsed
Rear End3.90 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock NumberRyd RS-20-145/3.90/
MLS Number11382152
CategoryDifferentials, Rear
Last Updated4/18/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
Detroit RT40-NFD-N Rear Differential for a 2021 Freightliner Cascadia 126

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

Newly Listed
Contact for price
(Used) 2021 Freightliner Cascadia 126, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-620, Serial Number: 771195A0115505, Make: Detroit, Model: RT40-NFD-N, Ratio: 2.85, Capacity:...
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2021
Part NumberC11-00051-620
Stock NumberP-502277
MLS Number14319446
CategoryDifferentials, Rear
Last Updated4/18/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Eaton 17060S Rear Differential for a International 4300

2007 Eaton 17060S Rear Differential for a International 4300

Recently Updated
$425 USD
(USED) Eaton 17060S Ratio: 3.70 Side Gear Splines: 39 W/ Locker: NO Cast#: 127603-A Ref# 127603-A
ConditionUsed
Fits To Make(s)International
Fits To Model(s)4300
Part Number127603-A
Stock Number25609258
MLS Number12689068
CategoryDifferentials, Rear
Last Updated4/18/2026
Location
Sioux Falls, SD, US
Sold By
Vander Haag's Inc.
(855) 370-___  SHOW
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Vander Haag's Inc.
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