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Used Rockwell RS20145 Axles & Differentials For Sale

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Truck Parts (97)
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Axles & Differentials (97)
   Axle Housings, Front (1)    Axle Housings, Rear (18)    Differentials, Rear (78)
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Rockwell (97)
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Showing 1 - 25 of 97 Listings

1 - 25 of 97 listings
1 - 25 of 97 listings
Rockwell RS20145 Rear Differential for a Freightliner COLUMBIA 120

2005 Rockwell RS20145 Rear Differential for a Freightliner COLUMBIA 120

Recently Updated
$1,095 USD
USED ROCKWELL DIFFERENTIAL ASSEMBLY MODEL RS20145 REAR REAR (3.42 RATIO) LOCKER
ConditionUsed
Rear End3.42 ratio
Fits To Make(s)FREIGHTLINER
Fits To Model(s)COLUMBIA 120
Stock Number65252
MLS Number12823797
CategoryDifferentials, Rear
Last Updated9/27/2026
Location
Crandall, TX, US
Sold By
Tim Jordan's Truck Parts Inc.
(833) 359-___  SHOW
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Tim Jordan's Truck Parts Inc.
Rockwell RS20145 Rear Axle Housing for a Rockwell RS-20-145

2012 Rockwell RS20145 Rear Axle Housing for a Rockwell RS-20-145

$1,000 USD
Good used inspected Rockwell RS-20-145 rear, rear axle housing. 90 day guarantee for swap or refund.
ConditionUsed
SuspensionAir Ride
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock Number1071593
MLS Number14324660
CategoryAxle Housings, Rear
Last Updated4/22/2026
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

$500 USD
Good used Rockwell RS-20-145 rear, rear differential assembly. 3.73 Ratio. 90 day guarantee for swap or refund
Quantity4
ConditionUsed
Rear End3.73 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock NumberRyd RS-20-145/3.73/
MLS Number10204615
CategoryDifferentials, Rear
Last Updated2/4/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
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