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Rockwell Rear Differentials For Sale

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Truck Parts (1405)
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Differentials, Rear (1405)
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Rockwell (1405)
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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 (2)3.55 (1)3.58 (2)3.73 (1)4.88 (1)46160/23160 (1)5.38 (1)5.86 (1)61143WX204 4.30 (1)71163 (1)B80500 (1)C500 (1)CASCADIA 125 (2)CASCADIA 126 (1)CENTURY (1)COLUMBIA (1)CXN613 (1)D SERIES (1)D100 (5)D140 (1)ESQHD (1)F106 (1)F650 (1)H170 (5)H-170 (3)H170-613 (1)H170-717 (1)H-172 (3)H340 (1)H601 (2)MD2014X (3)MD-20-14X (7)ME20165 (3)ME20165D (1)MFS 12-143A (2)MR20/143 (4)MR20143 (10)MR-20-143 (1)MR20143M (1)MR20-143M (1)MR20145 (3)MR20-145 (3)MR2014E (4)MR2014P (8)MR2014X (163)MR-20-14X (1)MR20-14X (87)MR2014Z (1)MR20-165 (1)MR40-14X (1)MRL2014X (1)MS1714X (2)OTHER (1)QR100 (2)QT140 (1)R140 (1)R170 (3)R-170 (8)R171 (1)RA57 (1)RC22145 (1)RD/RP-20-145 2.64 (1)RD20145 (1)RDL1245 (1)RDL20-145 (1)RR 40-145 (7)RR17-145 (2)RR20-140 (2)RR20145 (403)RR20-165 (1)RR-22-145 (2)RR23160 (14)RR23-160 (12)RR-24-180 (1)RR270 (1)RRL20145 (5)RRL20-145 (15)RRL23160 (5)RRL23-160 (6)RRL23160 **NEW NEW** (1)RRL23180 (1)RRL-26-180 (1)RS 17140 (1)RS120 (1)RS13120 (3)RS15120 (5)RS-16-141 (1)RS17140 (9)RS17144 (3)RS17145 (12)RS-17-220T (1)RS19144 (1)RS19145 (20)RS19-145 (1)RS-20-143 (1)RS20145 (201)RS20145A (7)RS2014X (2)RS21145 (27)RS21230 (3)RS23 160 (1)RS23160 (46)RS23161 (3)RS23-161 (2)RS23180 (11)RS23-180 (2)RS-23-185 (1)RS23-186 (1)RS-30-380 (1)RSL20145 (3)RSL-20-145 (6)RSL-21-145 (6)RSL23160 (7)RSL-23-160 (8)RSL23-160 (1)RSL23180 (4)RSL-23-180 (6)RSL23-186 (1)RT20160 (1)RT40145 (4)RT40-160 (1)SFDD (2)SFDR (4)SHRR (1)SQ100 (17)SQ100 QAR (1)SQ100 REAR (1)SQ100R (1)SQHD (2)SQHP (1)SQHR (6)SQR100 (4)SR170 (2)SSHD (5)SSHR (3)SUDD (1)SUDR (1)TDR-24-754 (1)U-240 (1)VNL (1)
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Showing 1 - 25 of 1,405 Rear Differential Listings

1 - 25 of 1,405 listings
1 - 25 of 1,405 listings
Rockwell RS17144 Rear Differential for a Rockwell RS-17-144

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

Newly Listed
$500 USD
Good used Rockwell RS-17-144 rear, rear differential assembly with parking brake. 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-17-144
Stock NumberRyd RS-17-144/5.57/
MLS Number14164847
CategoryDifferentials, Rear
Last Updated2/26/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
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Rockwell RS17145 Rear Differential for a Rockwell RS-17-145

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

Newly Listed
$500 USD
Good used inspected Rockwell RS-17-145 rear, rear differential assembly. 4.63 ratio 90 day gurantee for swap or refund
ConditionUsed
Rear End4.63 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-17-145
Stock NumberRyd RS-17-145/4.63/
MLS Number14164844
CategoryDifferentials, Rear
Last Updated2/26/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
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Rockwell RS-23-185 Rear Differential

Rockwell RS-23-185 Rear Differential

Newly Listed
$750 USD
Good used Rockwell RS-23-185 rear, rear differential assembly. 3.73 ratio. 90 day guarantee for swap or refund
ConditionUsed
Rear End3.73 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-23-185
Stock NumberRyd RS-23-185/3.73/
MLS Number14164839
CategoryDifferentials, Rear
Last Updated2/26/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
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Rockwell RS-30-380 Rear Differential

Rockwell RS-30-380 Rear Differential

Newly Listed
$2,350 USD
Good used Rockwell RS-30-380 2 speed rear, rear differential assembly. 3.73-5.52 ratio. 90 day guarantee for swap or refund
ConditionUsed
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-30-380
Stock NumberRyd RS-30-380/3.73-
MLS Number14164837
CategoryDifferentials, Rear
Last Updated2/26/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
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Rockwell RS19145 Rear Differential for a Rockwell RS-19-145

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

Newly Listed
$600 USD
Good used Rockwell RS-19-145 rear, rear differential assembly. 5.86 ratio 90 day gurantee for swap or refund.
ConditionUsed
Rear End5.86 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-19-145
Stock NumberRyd RS-19-145/5.86/
MLS Number14164833
CategoryDifferentials, Rear
Last Updated2/26/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
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Rydemore Heavy Duty Truck Parts
Rockwell RS15120 Rear Differential for a Rockwell RS-15-120

Rockwell RS15120 Rear Differential for a Rockwell RS-15-120

Recently Updated
$600 USD
Good used Rockwell RS-15-120 rear, rear differential assembly. 4.10 Ratio. 90 day guarantee for swap or refund,
ConditionUsed
Rear End4.10 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-15-120
Stock NumberRyd RS15-120/4.10/3
MLS Number10744547
CategoryDifferentials, Rear
Last Updated2/24/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
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Rydemore Heavy Duty Truck Parts
Rockwell RS15120 Rear Differential for a Rockwell RS-15-120

Rockwell RS15120 Rear Differential for a Rockwell RS-15-120

Recently Updated
$600 USD
Good used Rockwell RS-15-120 rear, rear differential assembly. 4.30 Ratio. 90 day guarantee for swap or refund,
ConditionUsed
Rear End4.30 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RS-15-120
Stock NumberRyd RS-15-120/4.30/
MLS Number12159544
CategoryDifferentials, Rear
Last Updated2/26/2026
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

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
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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
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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. 3.42 ratio. 90 day guarantee for swap or refund
ConditionUsed
Rear End3.42 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RSL-20-145
Stock NumberRyd RSL-20-145/3.42
MLS Number14137030
CategoryDifferentials, Rear
Last Updated2/11/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
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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 full locking rear, rear differential assembly. 2.67 ratio. 90 day guarantee for swap or refund
ConditionUsed
Rear End2.67 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RSL-23-160
Stock NumberRyd RSL-23160/2.67/
MLS Number14137008
CategoryDifferentials, Rear
Last Updated2/11/2026
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.
Quantity3
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 Updated2/5/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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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. 4.33 ratio. 90 day guarantee for swap or refund
ConditionUsed
Rear End4.33 ratio
Fits To Make(s)ROCKWELL
Fits To Model(s)RSL-20-145
Stock NumberRyd RSL-20-145/4.33
MLS Number14123871
CategoryDifferentials, Rear
Last Updated2/4/2026
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

$600 USD
Good used Rockwell RS-19-145 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)RS-19-145
Stock NumberRyd RS-19-145/4.11/
MLS Number10524901
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. 3.73 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
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