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Rockwell RS20145 Axles & Differentials For Sale

Shop used and remanufactured Rockwell RS20145 Axles & Differentials on MyLittleSalesman.com . Compare active listings with prices from $500 to $2,000. Sellers include Rydemore Heavy Duty Truck Parts, Camerota Truck Parts, and Tim Jordan's Truck Parts. Filter by condition, price, or year to find the Rockwell RS20145 that fits your job.
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Axles & Differentials (223)
   Axle Housings, Front (4)    Axle Housings, Rear (18)    Differentials, Front (1)    Differentials, Rear (200)
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Showing 1 - 25 of 223 Listings

1 - 25 of 223 listings
1 - 25 of 223 listings
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
NUMBERCall Seller
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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

$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
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. 3.58 Ratio. 90 day guarantee for swap or refund,
Quantity2
ConditionUsed
Rear End3.58 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock NumberRyd RS-20-145/3.58/
MLS Number10204618
CategoryDifferentials, Rear
Last Updated3/2/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
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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
NUMBERCall Seller
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Rydemore Heavy Duty Truck Parts
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
SuspensionSpring
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock Number1061531
MLS Number13741373
CategoryAxle Housings, Rear
Last Updated1/3/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
Save
Rydemore Heavy Duty Truck Parts
Rockwell RS20145 Rear Axle Housing for a Rockwell RS-20-145

2020 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. 30 day guarantee for swap or refund
ConditionUsed
SuspensionSpring
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock Number1058086
MLS Number13478973
CategoryAxle Housings, Rear
Last Updated1/3/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
Save
Rydemore Heavy Duty Truck Parts
Rockwell RS20145 Rear Axle Housing for a Rockwell RS-20-145

2013 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
SuspensionSpring
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock Number1055220
MLS Number13297059
CategoryAxle Housings, Rear
Last Updated1/3/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
Save
Rydemore Heavy Duty Truck Parts
Rockwell RS20145 Rear Axle Housing for a Rockwell RS-20-145

2007 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. 30 day guarantee for swap or refund
ConditionUsed
SuspensionSpring
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock Number1040386
MLS Number12322883
CategoryAxle Housings, Rear
Last Updated1/3/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
Save
Rydemore Heavy Duty Truck Parts
Rockwell RS20145 Rear Axle Housing for a Rockwell RS-20-145

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

$1,000 USD
Good used and inspected Rockwell RS-20-145 rear, rear diferential axle housing. 30 day gurantee for swap or refund
ConditionUsed
SuspensionAirLiner
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock Number1038256
MLS Number12264244
CategoryAxle Housings, Rear
Last Updated1/3/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
Save
Rydemore Heavy Duty Truck Parts
Rockwell RS20145 Rear Axle Housing for a Rockwell RS-20-145

2007 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. 30 day guarantee for swap or refund
ConditionUsed
SuspensionAir Ride
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Part NumberC26 3121L1728S
Stock Number1032618
MLS Number11823482
CategoryAxle Housings, Rear
Last Updated1/3/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
Save
Rydemore Heavy Duty Truck Parts
Rockwell RS20145 Rear Axle Housing for a Rockwell RS-20-145

2000 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
SuspensionSpring
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock Number1030905
MLS Number12394349
CategoryAxle Housings, Rear
Last Updated1/3/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
Save
Rydemore Heavy Duty Truck Parts
Rockwell RS20145 Rear Axle Housing for a Rockwell RS-20-145

2000 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
SuspensionSpring
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock Number1027533
MLS Number11735839
CategoryAxle Housings, Rear
Last Updated1/3/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
Save
Rydemore Heavy Duty Truck Parts
Rockwell RS20145 Rear Axle Housing for a Rockwell RS-20-145

2003 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. 30 day guarantee for swap or refund
ConditionUsed
SuspensionVolvo T-Ride
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock Number1015074
MLS Number10863802
CategoryAxle Housings, Rear
Last Updated1/3/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
Save
Rydemore Heavy Duty Truck Parts
Rockwell RS20145 Rear Axle Housing for a 2005 Rockwell RS-20-145

Rockwell RS20145 Rear Axle Housing for a 2005 Rockwell RS-20-145

$1,000 USD
Good used inspected Rockwell RS-20-145 Rear, Rear Axle Housing. 30 day guarantee for swap or refund
ConditionUsed
SuspensionSpring
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Will Fit Year(s)2005
Stock Number1002371
MLS Number10204528
CategoryAxle Housings, Rear
Last Updated1/3/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
Save
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. 3.07 Ratio. 90 day guarantee for swap or refund
ConditionUsed
Rear End3.07 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock NumberRyd RS-20145/3.07/4
MLS Number13191714
CategoryDifferentials, Rear
Last Updated1/1/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
Save
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. 5.86 ratio. 90 day guarantee for swap or refund
Quantity2
ConditionUsed
Rear End5.86 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock NumberRyd RS-20-145/5.86/
MLS Number11410847
CategoryDifferentials, Rear
Last Updated1/1/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
Save
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. 3.21 Ratio. 90 day guarantee for swap or refund,
Quantity2
ConditionUsed
Rear End3.21 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock NumberRyd RS-20-145/3.21/
MLS Number10204612
CategoryDifferentials, Rear
Last Updated1/1/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
Save
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. 5.29 Ratio. 90 day guarantee for swap or refund,
Quantity5
ConditionUsed
Rear End5.29 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock NumberRyd RS-20-145/5.29/
MLS Number10204581
CategoryDifferentials, Rear
Last Updated1/1/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
Save
Rydemore Heavy Duty Truck Parts
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