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Used Rockwell Rear Differentials For Sale

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Equipment Type
Truck Parts (1248)
Category
Differentials, Rear (1248)
Make
Rockwell (1248)
Model
1240RDAX23 (1)17-145 (1)186E (2)2.64 (1)20-145 (45)20-14X (8)23160 (1)23-160 (6)3.08 (2)3.42 (3)3.55 (1)3.58 (1)3.73 (1)46160/23160 (1)5.86 (1)61143WX204 4.30 (1)71163 (1)B80500 (1)C500 (1)CASCADIA (1)CASCADIA 125 (2)CASCADIA 126 (1)CENTURY (1)COLUMBIA (1)CXN613 (1)CXU612 (1)D SERIES (1)D100 (5)ESQHD (1)F106 (1)F650 (1)H170 (5)H-170 (3)H170-613 (1)H170-717 (1)H-172 (2)H340 (1)H601 (2)L23-160 (1)MD2014X (3)MD-20-14X (7)ME20165 (3)ME20165D (1)MFS 12-143A (2)MR20/143 (4)MR20143 (8)MR-20-143 (1)MR20143M (1)MR20-143M (1)MR20145 (3)MR20-145 (2)MR2014E (4)MR2014P (8)MR2014X (154)MR-20-14X (1)MR20-14X (86)MR2014Z (1)MR20-165 (1)MR40-14X (1)MS1714X (2)OTHER (1)QR100 (2)R140 (1)R170 (3)R-170 (6)R171 (1)RA57 (1)RD/RP-20-145 2.64 (1)RD20145 (1)RDL1245 (1)RDL20-145 (1)RR 40-145 (7)RR17145 (1)RR17-145 (2)RR20-140 (2)RR20145 (385)RR20-165 (1)RR-22-145 (2)RR23160 (3)RR23-160 (11)RR-24-180 (1)RR270 (1)RRL20145 (4)RRL20-145 (14)RRL23160 (1)RRL23-160 (6)RRL23160 **NEW NEW** (1)RRL23180 (1)RRL-26-180 (1)RS 17140 (1)RS120 (1)RS13120 (3)RS-16-141 (1)RS17140 (9)RS17144 (2)RS17145 (7)RS-17-220T (1)RS19144 (1)RS19145 (19)RS19-145 (1)RS-20-143 (1)RS20145 (158)RS20145A (7)RS2014X (2)RS21145 (10)RS21230 (2)RS23 160 (1)RS23160 (33)RS23160NCNN617 4.56 (1)RS23161 (3)RS23-161 (2)RS23180 (8)RS23-180 (2)RS23-186 (1)RSL20145 (3)RSL-20-145 (4)RSL23160 (7)RSL-23-160 (2)RSL23-160 (1)RSL23180 (4)RSL-23-180 (4)RSL23-186 (1)RT20160 (1)RT40145 (4)RT40-160 (1)SFDD (2)SFDR (4)SHRR (1)SLHR (1)SQ100 (18)SQ100 QAR (1)SQ100 REAR (1)SQ100-3.73 (1)SQ100R (1)SQ100R-3.55 (1)SQ100RR-3.55 (1)SQHD (1)SQHP (1)SQHR (5)SQHR-4.44 (1)SQHR-4.88 (1)SQR100 (3)SR170 (2)SSHD (4)SSHR (4)SUDD (1)SUDR (1)TDR-24-754 (1)U-240 (1)VNL (1)
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Used (1248)
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Showing 1 - 25 of 1,248 Rear Differential Listings

1 - 25 of 1,248 listings
1 - 25 of 1,248 listings
Rockwell SQ100 Rear Differential for a Peterbilt 379

2007 Rockwell SQ100 Rear Differential for a Peterbilt 379

Recently Updated
$895 USD
SQ100 4.10 Inspected Takeout $350.00 CORE, Yoke: 1710, Side Gear: 41 Splines, Input: 39 Splines, Non Locker
ConditionUsed
Rear End4.10 ratio
Fits To Make(s)PETERBILT
Fits To Model(s)379
Stock Number11394
MLS Number13175902
CategoryDifferentials, Rear
Last Updated1/7/2026
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower
(833) 913-___  SHOW
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High Mountain Horsepower
Rockwell RS21145 Rear Differential for a Rockwell RS-21-145

Rockwell RS21145 Rear Differential for a Rockwell RS-21-145

Recently Updated
$600 USD
Good used Rockwell RS-21-145 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-21-145
Stock NumberRyd RS-21-145/5.57/
MLS Number10643517
CategoryDifferentials, Rear
Last Updated1/6/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
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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

$1,350 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
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Rydemore Heavy Duty Truck Parts
Rockwell RS17144 Rear Differential for a Rockwell RS-17-144

Rockwell RS17144 Rear Differential for a Rockwell RS-17-144

$500 USD
Good used Rockwell RS-17-144 rear, rear differential assembly with parking brake. 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-17-144
Stock NumberRyd RS-17-144/3.90/
MLS Number13235499
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 RSL-20-145 Rear Differential

Rockwell RSL-20-145 Rear Differential

$750 USD
Good used Rockwell RSL-20-145 full locking rear, rear differential assembly. 4.11 ratio. 90 day guarantee for swap or refund
Quantity3
ConditionUsed
Rear End4.11 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RSL-20-145
Stock NumberRyd RSL-20-145/4.11
MLS Number13235498
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 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
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Rydemore Heavy Duty Truck Parts
Rockwell RSL-20-145 Rear Differential

Rockwell RSL-20-145 Rear Differential

$750 USD
Good used Rockwell RSL-20-145 full locking rear, rear differential assembly. 3.55 ratio. 90 day guarantee for swap or refund
ConditionUsed
Rear End3.55 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RSL-20-145
Stock NumberRyd RSL-20-145/3.55
MLS Number13140254
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 RS19145 Rear Differential for a Rockwell RS-19-145

Rockwell RS19145 Rear Differential for a Rockwell RS-19-145

$500 USD
Good used Rockwell RS-19-145 rear, rear differential assembly. 5.29 ratio. 90 day guarantee for swap or refund
ConditionUsed
Rear End5.29 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-19-145
Stock NumberRyd RS19-145/5,29/4
MLS Number12979105
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 RS19145 Rear Differential for a Rockwell RS-19-145

Rockwell RS19145 Rear Differential for a Rockwell RS-19-145

$500 USD
Good used Rockwell RS-19-145 rear, rear differential assembly. 4.10 ratio 90 day gurantee for swap or refund.
ConditionUsed
Rear End4.10 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-19-145
Stock NumberRyd RS-19-145/4.10/
MLS Number12662470
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 RS17145 Rear Differential for a Rockwell RS-17-145

Rockwell RS17145 Rear Differential for a Rockwell RS-17-145

$500 USD
Good used inspected Rockwell RS-17-145 rear, rear differential assembly. 5.57 ratio 90 day gurantee for swap or refund
ConditionUsed
Rear End5.57 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-17-145
Stock NumberRyd RS-17-145/5.57/
MLS Number12537314
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 RS17145 Rear Differential for a Rockwell RS-17-145

Rockwell RS17145 Rear Differential for a Rockwell RS-17-145

$500 USD
Good used Rockwell RS-17145 rear, rear differential assembly. 4.11 ratio 90 day guarantee for swap or refund
Quantity2
ConditionUsed
Rear End4.11 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-17-145
Stock NumberRyd RS-17145/4.11/3
MLS Number11802792
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 RS13120 Rear Differential for a Rockwell RS-13-120

Rockwell RS13120 Rear Differential for a Rockwell RS-13-120

$600 USD
Good used Rockwell RS-13-120 rear, rear differential assembly. 3.31 ratio. 90 day guarantee for swap or refund
ConditionUsed
Rear End3.31 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-13-120
Stock NumberRyd RS-13-120/3.31/
MLS Number11710275
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 RSL-23-160 Rear Differential

Rockwell RSL-23-160 Rear Differential

$750 USD
Good used Rockwell RSL-23-160 Rear, Rear Differential Assembly. 3.73 ratio. 90 day guarantee for swap or refund.
Quantity2
ConditionUsed
Rear End3.73 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RSL-23-160
Stock NumberRyd RSL-23-160/3.73
MLS Number11436501
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 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
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Rydemore Heavy Duty Truck Parts
Rockwell RSL-23-180 Rear Differential

Rockwell RSL-23-180 Rear Differential

$750 USD
Good used Rockwell RSL-23-180 full locking rear, rear differential assembly. 2.93 ratio. 90 day guarantee for swap or refund
ConditionUsed
Rear End2.93 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RSL-23-180
Stock NumberRyd RSL-23-180/2.93
MLS Number13534987
CategoryDifferentials, Rear
Last Updated1/1/2026
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 RSL-23-180 Rear Differential

Rockwell RSL-23-180 Rear Differential

$750 USD
Good used Rockwell RSL-23-180 locking rear, rear differential assembly. 3.07 ratio. 90 day guarantee for swap or refund
Quantity2
ConditionUsed
Rear End3.07 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RSL-23-180
Stock NumberRyd RSL-23-180/3.07
MLS Number11387160
CategoryDifferentials, Rear
Last Updated1/1/2026
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 RSL-20-145 Rear Differential

Rockwell RSL-20-145 Rear Differential

$750 USD
Good used Rockwell RSL-20-145 full locking 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)RSL-20-145
Stock NumberRyd RSL-20-145/5.57
MLS Number12517972
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
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