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Meritor-Rockwell RR20-145 Truck Parts For Sale

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Axles & Differentials (94)   Axle Assemblies, Rear (16)   Axle Housings, Rear (13)   Differential Misc. Parts (6)   Differentials, Front (5)   Differentials, Rear (54)Frame & Chassis (5)   Front & Rear Cutoffs (Clip Cuts) (5)
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For Sale (99)

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Showing 76 - 99 of 99 Listings

76 - 99 of 99 listings
76 - 99 of 99 listings
Meritor-Rockwell RR20-145 Rear Axle Housing for a 2011 Western Star 4900EX

Meritor-Rockwell RR20-145 Rear Axle Housing for a 2011 Western Star 4900EX

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(Used) 2011 Western Star 4900EX, COMPLETE FRONT DIFFERENTIAL HOUSING ONLY- Part Number: S11-15714373, Serial Number: TBD, Make: Meritor, Model: RR20-145, Ratio: 4.56, Capacity: 20,000 Lbs,...
ConditionUsed
Fits To Make(s)Western Star
Fits To Model(s)4900EX
Will Fit Year(s)2011
Part NumberS11-15714373
Stock NumberP-112206
MLS Number13862862
CategoryAxle Housings, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
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Meritor-Rockwell RR20-145 Front Differential for a 2011 Western Star 4900EX

Meritor-Rockwell RR20-145 Front Differential for a 2011 Western Star 4900EX

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(Used) 2011 Western Star 4900EX, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Part Number: S11-15714373, Serial Number: TBD, Make: Meritor, Model: RR20-145, Ratio: 4.56, Capacity: 20,000 Lbs,...
ConditionUsed
Rear End4.56 ratio
Fits To Make(s)Western Star
Fits To Model(s)4900EX
Will Fit Year(s)2011
Part NumberS11-15714373
Stock NumberP-112232
MLS Number13862891
CategoryDifferentials, Front
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Meritor-Rockwell RR20-145 Rear Axle Assembly for a 2011 Western Star 4900EX

Meritor-Rockwell RR20-145 Rear Axle Assembly for a 2011 Western Star 4900EX

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(Used) 2011 Western Star 4900EX, COMPLETE REAR REAR TANDEM- Part Number: S11-15714373, Serial Number: AVA96094240, Make: Meritor, Model: RR20-145, Ratio: 4.56, Capacity: 20,000 Lbs, Hub...
ConditionUsed
Rear End4.56 ratio
Fits To Make(s)Western Star
Fits To Model(s)4900EX
Will Fit Year(s)2011
Part NumberS11-15714373
Stock NumberP-112237
MLS Number13864968
CategoryAxle Assemblies, Rear
Last Updated7/27/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Meritor-Rockwell RR20-145 Rear Differential for a 2011 Western Star 4900EX

Meritor-Rockwell RR20-145 Rear Differential for a 2011 Western Star 4900EX

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(Used) 2011 Western Star 4900EX, COMPLETE REAR DIFFERENTIAL GEARS ONLY- (Remanufactured) Part Number: S11-15714373, Serial Number: 182638, Make: Meritor, Model: RR20-145, Ratio: 4.56,...
ConditionUsed
Rear End4.56 ratio
Fits To Make(s)Western Star
Fits To Model(s)4900EX
Will Fit Year(s)2011
Part NumberS11-15714373
Stock NumberP-112239
MLS Number13864970
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Meritor-Rockwell RR20-145 Rear Axle Assembly for a 2004 Sterling A9500

Meritor-Rockwell RR20-145 Rear Axle Assembly for a 2004 Sterling A9500

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(Used) 2004 Sterling A9500, COMPLETE REAR REAR TANDEM- Part Number: S11-21429-264, Serial Number: AVA04050861, Make: Meritor, Model: RR20-145, Ratio: 2.64, Capacity: 20,000 Lbs, Hub Bolts:...
ConditionUsed
Rear End2.64 ratio
Fits To Make(s)Sterling
Fits To Model(s)A9500
Will Fit Year(s)2004
Part NumberS11-21429-264
Stock NumberP-492221
MLS Number14063046
CategoryAxle Assemblies, Rear
Last Updated10/10/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Meritor-Rockwell RR20-145 Rear Axle Housing for a 2004 Sterling A9500

Meritor-Rockwell RR20-145 Rear Axle Housing for a 2004 Sterling A9500

Contact for price
(Used) 2004 Sterling A9500, REAR DIFFERENTIAL HOUSING ONLY- Part Number: S11-21429-264, Serial Number: AVA04050861, Make: Meritor, Model: RR20-145, Ratio: 2.64, Capacity: 20,000 Lbs, Hub...
ConditionUsed
Fits To Make(s)Sterling
Fits To Model(s)A9500
Will Fit Year(s)2004
Part NumberS11-21429-264
Stock NumberP-492224
MLS Number14063050
CategoryAxle Housings, Rear
Last Updated10/17/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Meritor-Rockwell RR20-145 Rear Differential for a 2004 Sterling A9500

Meritor-Rockwell RR20-145 Rear Differential for a 2004 Sterling A9500

Contact for price
(Used) 2004 Sterling A9500, REAR DIFFERENTIAL GEARS ONLY- Part Number: S11-21429-264, Serial Number: AVA04050861, Make: Meritor, Model: RR20-145, Ratio: 2.64, Capacity: 20,000 Lbs, For more...
ConditionUsed
Rear End2.64 ratio
Fits To Make(s)Sterling
Fits To Model(s)A9500
Will Fit Year(s)2004
Part NumberS11-21429-264
Stock NumberP-492228
MLS Number14063054
CategoryDifferentials, Rear
Last Updated6/14/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Meritor-Rockwell RR20-145 Rear Axle Assembly for a 2003 Sterling A9500

Meritor-Rockwell RR20-145 Rear Axle Assembly for a 2003 Sterling A9500

Contact for price
(Used) 2003 Sterling A9500, COMPLETE REAR REAR TANDEM- Part Number: S11-23312-390, Serial Number: AVA02097917, Make: Meritor, Model: RR-20-145, Ratio: 3.90, Capacity: 20,000 Lbs, Hub Bolts:...
ConditionUsed
Rear End3.90 ratio
Fits To Make(s)Sterling
Fits To Model(s)A9500
Will Fit Year(s)2003
Part NumberS11-23312-390
Stock NumberP-492419
MLS Number14066188
CategoryAxle Assemblies, Rear
Last Updated8/6/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Meritor-Rockwell RR20-145 Rear Differential for a 1995 Mack CL713

Meritor-Rockwell RR20-145 Rear Differential for a 1995 Mack CL713

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(Used) 1995 Mack CL713, REAR DIFFERENCIAL GEAR ONLY- Part Number: 3200-R-1864, Make: Meritor, Model: RR20145, Capacity: N/A Ratio: 3.42, Hub Bolts: 10, Brake Type: Drum, Reference images...
ConditionUsed
Rear End3.42 ratio
Fits To Make(s)Mack
Fits To Model(s)CL713
Will Fit Year(s)1995
Stock NumberP-495079
MLS Number14108382
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Meritor-Rockwell RR20-145 Rear Differential for a 2017 International DuraStar 4300

Meritor-Rockwell RR20-145 Rear Differential for a 2017 International DuraStar 4300

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(Used) 2017 International DuraStar 4300, DIFFERENTIAL GEARS ONLY- Part Number: 3200-K-1675, Serial Number: TBD, Make: Meritor/Rocwell, Model: RR20-145, Ratio: 3.21, Capacity: 21,000 Lbs,...
ConditionUsed
Rear End3.21 ratio
Fits To Make(s)International
Fits To Model(s)DuraStar 4300
Will Fit Year(s)2017
Part Number3200-K-1675
Stock NumberP-497612
MLS Number14153056
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
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