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Quantity: 2
Condition: Used
Stock Number: Ryd RS-21-145/4.63/
Shipping Length: 81.28 cm
Shipping Width: 55.88 cm
Shipping Height: 60.96 cm
Description: Good used Rockwell RS-21-145 rear, rear differential assembly. 4.63 ratio. 90 day guarantee for swap or refund
Coreprice: 100
Updated: Wednesday, April 01, 2026 10:21 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Condition: Used
Stock Number: Ryd RS-21-145/5.86/
Shipping Length: 81.28 cm
Shipping Width: 55.88 cm
Shipping Height: 58.42 cm
Shipping Weight: 133.81 kg
Description: Good used Rockwell RS-21-145 rear, rear differential assembly. 5.86 ratio. 90 day guarantee for swap or refund
Coreprice: 100
Updated: Wednesday, April 01, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Quantity: 2
Condition: Used
Stock Number: Ryd RS-21-145/5.57/
Shipping Length: 81.28 cm
Shipping Width: 55.88 cm
Shipping Height: 60.96 cm
Description: Good used Rockwell RS-21-145 rear, rear differential assembly. 5.57 ratio. 90 day guarantee for swap or refund
Coreprice: 100
Updated: Wednesday, April 01, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Condition: Used
Stock Number: Ryd RS-21-145/3.58/
Shipping Length: 81.28 cm
Shipping Width: 55.88 cm
Shipping Height: 55.88 cm
Shipping Weight: 133.81 kg
Description: Good used Rockwell RS-21-145 rear, rear differential assembly. 3.58 ratio. 90 day guarantee for swap or refund
Coreprice: 100
Updated: Wednesday, April 01, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Quantity: 2
Condition: Used
Stock Number: Ryd RS-21-145/4.11/
Shipping Length: 81.28 cm
Shipping Width: 60.96 cm
Shipping Height: 58.42 cm
Description: Good used Rockwell RS-21-145 rear, rear differential assembly. 4.11 ratio. 90 day guarantee for swap or refund
Coreprice: 100
Updated: Wednesday, April 01, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Condition: Used
Stock Number: Ryd RS-21-145/5.29/
Shipping Length: 81.28 cm
Shipping Width: 55.88 cm
Shipping Height: 60.96 cm
Shipping Weight: 138.35 kg
Description: Good used Rockwell RS-21-145 rear, rear differential assembly. 5.29 ratio. 90 day guarantee for swap or refund
Coreprice: 100
Updated: Wednesday, April 01, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Condition: Rebuilt
Stock Number: BP TRS RS-21-145/6.
Description: Remanufactured Rockwell RS-21-145 rear, rear differential assembly. 6.43 ratio. 1 Year warranty for parts or Swap out for another unit. $500 Fo...
Updated: Friday, February 27, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Condition: Rebuilt
Stock Number: BP TRS RS-21-145/5.
Description: Remanufactured Rockwell RS-21-145 rear, rear differential assembly. 5.13 ratio. 1 Year warranty for parts or Swap out for another unit. $500 Fo...
Updated: Friday, February 27, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Quantity: 4
Condition: Rebuilt
Stock Number: BP TRS RS-21-145/3.
Description: Remanufactured Rockwell RS-21-145 rear, rear differential assembly. 3.73 ratio. 1 Year warranty for parts or Swap out for another unit. $500 Fo...
Updated: Tuesday, March 31, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Condition: Rebuilt
Stock Number: BP TRS RS-21-145/6.
Description: Remanufactured Rockwell RS-21-145 rear, rear differential assembly, 6.14 ratio. 1 Year warranty for parts or Swap out for another unit. $500 Fo...
Updated: Friday, February 27, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Condition: Rebuilt
Stock Number: BP TRS RS-21-145/3.
Description: Remanufactured Rockwell RS-21-145 rear, rear differential assembly. 3.07 ratio. 1 Year warranty for parts or Swap out for another unit. $500 Fo...
Updated: Friday, February 27, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Quantity: 4
Condition: Rebuilt
Stock Number: BP TRS RS-21-145/2.
Description: Remanufactured Rockwell RS-21-145 rear, rear differential assembly. 2.64 ratio.
Coreprice: 275
Updated: Friday, February 27, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Quantity: 2
Condition: Rebuilt
Stock Number: BP TRS RS-21-145/4.
Description: Remanufactured Rockwell RS-21-145 rear, rear differential assembly. 4.56 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For...
Updated: Friday, February 27, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Condition: Rebuilt
Stock Number: BP TRS RS-21-145/4.
Description: Remanufactured Rockwell RS-21-145 new style rear, rear differential assembly. 4.10 ratio. 1 Year warranty for parts or Swap out for another unit....
Updated: Friday, February 27, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Condition: Rebuilt
Stock Number: BP TRS RS-21-145/4.
Description: Remanufactured Rockwell rear, rear differential assembly. 4.88 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. T...
Updated: Friday, February 27, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Condition: Rebuilt
Stock Number: BP TRS RS-21-145/3.
Description: Remanufactured Rockwell RS-21-145 rear, rear differential assembly. 3.91 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For...
Updated: Friday, February 27, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Quantity: 2
Condition: Rebuilt
Stock Number: BP TRS RS-21-145/2.
Description: Remanufactured Rockwell RS-21-145 rear, rear differential assembly. 2.79 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For...
Updated: Friday, February 27, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Quantity: 3
Condition: Rebuilt
Stock Number: BP TRS RS-21-145/4.
Description: Remanufactured Rockwell RS21-145 rear, rear differential assembly. 4.10 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For...
Updated: Friday, February 27, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Quantity: 3
Condition: Rebuilt
Stock Number: BP TRS RS-21-145/7.
Description: Remanufactured Rockwell RS-21-145 rear, rear differential assembly. 7.17 ratio. 1 Year warranty for parts or Swap out for another unit. $500 F...
Updated: Friday, February 27, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Quantity: 4
Condition: Rebuilt
Stock Number: BP TRS RS-21-145/3.
Description: Remanufactured Rockwell RS21-145 rear, rear differential assembly. 3.42 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For ...
Updated: Friday, February 27, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Quantity: 6
Condition: Rebuilt
Stock Number: BP TRS RS-21-145/3.
Description: Remanufactured Rockwell RS-21-145 rear, rear differential assembly. 3.58 ratio. 1 Year warranty for parts or Swap out for another unit. $500 Fo...
Updated: Friday, February 27, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Condition: Rebuilt
Stock Number: BP TRS RS-21-145/5.
Description: Remanufactured Rockwell RS-21-145 rear, rear differential assembly. 5.57 ratio. 1 Year warranty for parts or Swap out for another unit. $500 Fo...
Updated: Friday, February 27, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Condition: Used
Stock Number: Ryd RS-21-145/3.73/
Description: Good used Rockwell RS-21-145 rear, rear differential assembly. 3.73 ratio. 90 day guarantee for swap or refund
Coreprice: 100
Updated: Wednesday, April 01, 2026 10:36 pm
Location: Springfield, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Condition: Used
Stock Number: Ryd RS-21-145/4.88/
Shipping Length: 81.28 cm
Shipping Width: 55.88 cm
Shipping Height: 55.88 cm
Shipping Weight: 136.08 kg
Description: Good used Rockwell RS-21-145 rear, rear differential assembly. 4.88 ratio. 90 day guarantee for swap or refund
Coreprice: 100
Updated: Wednesday, April 01, 2026 10:19 pm
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts