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Rockwell RS20145 Rear Differentials For Sale

Browse Rockwell RS20145 Rear Differentials on MyLittleSalesman.com and compare listings with prices from $150 to $1,495. Sellers include Rydemore Heavy Duty Truck Parts and Tim Jordan's Truck Parts. Filter by condition, price, or year to quickly narrow down to the right Rockwell RS20145 Rear Differential.
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Showing 1 - 25 of 201 Rear Differential Listings

1 - 25 of 201 listings
1 - 25 of 201 listings
Rockwell RS20145 Rear Differential for a Rockwell RS-20-145

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

Recently Updated
$150 USD
Used take out Rockwell RS-20-145 rear, rear differential assembly. 3.58 Ratio. No warranty
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 Number10328665
CategoryDifferentials, Rear
Last Updated2/21/2026
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

Recently Updated
$500 USD
Good used Rockwell RS-20-145 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)RS-20-145
Stock NumberRyd RS-20-145/3.58/
MLS Number10204618
CategoryDifferentials, Rear
Last Updated2/21/2026
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 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
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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. 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
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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. 3.21 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
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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. 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
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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. 4.11 Ratio. 90 day guarantee for swap or refund,
ConditionUsed
Rear End4.11 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock NumberRyd RS-20-145/4.11/
MLS Number10225695
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. 3.91 Ratio. 90 day guarantee for swap or refund,
ConditionUsed
Rear End3.91 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock NumberRyd RS-20-145/3.91/
MLS Number12159612
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. 5.57 Ratio. 90 day guarantee for swap or refund,
Quantity2
ConditionUsed
Rear End5.57 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock NumberRyd RS-20-145/5.57/
MLS Number10714393
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. 3.42 Ratio. 90 day guarantee for swap or refund,
Quantity4
ConditionUsed
Rear End3.42 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock NumberRyd RS-20-145/3.42/
MLS Number10204621
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. 2.79 Ratio. 90 day guarantee for swap or refund,
Quantity2
ConditionUsed
Rear End2.79 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock NumberRyd RS-20-145/2.79/
MLS Number10204613
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

$600 USD
Good used Rockwell RS-20-145 rear, rear differential assembly. 4.33 ratio. 90 day guarantee for swap or refund.
ConditionUsed
Rear End4.33 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock NumberRyd RS-20-145/4.33/
MLS Number11661954
CategoryDifferentials, Rear
Last Updated7/30/2025
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

$600 USD
Good used Rockwell RS-20-145 rear, rear differentital assembly. 5.13 ratio. 90 day guarantee for swap or refund.
ConditionUsed
Rear End5.13 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock NumberRyd RS-20-145/5.13/
MLS Number11620999
CategoryDifferentials, Rear
Last Updated7/30/2025
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

$600 USD
Good used Rockwell RS-20-145 rear, rear differential assembly. 5.57 ratio. 90 day guarantee for swap or refund
ConditionUsed
Rear End5.57 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock NumberRyd RS-20-145/5.57/
MLS Number11459109
CategoryDifferentials, Rear
Last Updated7/30/2025
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

$600 USD
Good used Rockwell RS-20-145 rear, rear differential assembly. 2.64 Ratio. 90 day guarantee for swap or refund,
Quantity3
ConditionUsed
Rear End2.64 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock NumberRyd RS-20-145/2.64/
MLS Number12332039
CategoryDifferentials, Rear
Last Updated7/30/2025
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

$600 USD
Good used Rockwell RS-20-145 rear, rear differential assembly. 4.88 Ratio. 90 day guarantee for swap or refund,
Quantity2
ConditionUsed
Rear End4.88 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-20-145
Stock NumberRyd RS-20-145/4.88/
MLS Number10744584
CategoryDifferentials, Rear
Last Updated7/30/2025
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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