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Rockwell RS21230 Axles & Differentials For Sale

Browse Rockwell RS21230 Axles & Differentials for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 10 listings. Rockwell RS21230 pricing ranges from $1,100 to $2,000 based on recent marketplace data. Filter by condition, price, or year to find the right Rockwell RS21230.
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   Axle Housings, Front (1)    Axle Housings, Rear (4)    Differentials, Rear (5)
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Showing 1 - 10 of 10 Listings

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Rockwell RS21230 Rear Differential for a Rockwell RS-21-230

Rockwell RS21230 Rear Differential for a Rockwell RS-21-230

$1,350 USD
Good used Rockwell RS-21-230 2 speed rear, rear differential assembly. 5.86/8.15 ratio. 90 day guarantee for swap or refund
ConditionUsed
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-21-230
Stock NumberRyd RS-21-230/5.86-
MLS Number13478979
CategoryDifferentials, Rear
Last Updated1/1/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
Rockwell RS21230 Rear Differential for a Rockwell RS-21-230

Rockwell RS21230 Rear Differential for a Rockwell RS-21-230

$1,700 USD
Remanufactured Rockwell RS-21-230 rear, rear differential assembly. 6.50 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered
ConditionRemanufactured
Rear End6.50 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-21-230
Stock NumberBP TRS RS-21-230/6.
MLS Number14050632
CategoryDifferentials, Rear
Last Updated3/2/2026
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
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