View 5 Photos View 0 Videos Meritor-Rockwell MD2014X4DCRNN667-390 Front Differential for a 2020 Western Star 4900EX Contact for price (Used) 2020 Western Star 4900EX, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Make: Meritor/Rockwell, Rear Model: MD2014X4DCRNN667-390, Serial Number: FOR05728254, Custom Number: C11-00043-786,... ConditionUsedRear End3.90 ratioFits To Make(s)Western StarFits To Model(s)4900EXWill Fit Year(s)2020Stock NumberP-41448 MLS Number11922383CategoryDifferentials, Front Last Updated3/12/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Meritor-Rockwell MD2014X4DCRNN667-390 Rear Axle Housing for a 2020 Western Star 4900EX Contact for price (Used) 2020 Western Star 4900EX, COMPLETE FRONT DIFFERENTIAL HOUSING ONLY- Make: Meritor/Rockwell, Rear Model: MD2014X4DCRNN667-390, Serial Number: FOR05728254, Custom Number: C11-00043-786,... ConditionUsedFits To Make(s)Western StarFits To Model(s)4900EXWill Fit Year(s)2020Stock NumberP-41446 MLS Number11922381CategoryAxle Housings, Rear Last Updated3/12/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Meritor-Rockwell MD2014X4DCRNN667-390 Front Differential for a 2020 Western Star 4900EX Contact for price (Used) 2020 Western Star 4900EX, COMPLETE FRONT REAR TANDEM- Make: Meritor/Rockwell, Rear Model: MD2014X4DCRNN667-390, Serial Number: FOR05728254, Custom Number: C11-00043-786, Ratio: 3.90,... ConditionUsedRear End3.90 ratioFits To Make(s)Western StarFits To Model(s)4900EXWill Fit Year(s)2020Stock NumberP-41444 MLS Number11922379CategoryDifferentials, Front Last Updated3/12/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Meritor-Rockwell MD2014X4DCRNN667-390 Cutoff for a 2020 Western Star 4900EX Contact for price (Used) 2020 Western Star 4900EX, TANDEM CUTTOFF- Make: Meritor/Rockwell, Rear Model: MD2014X4DCRNN667-390, Serial Number: FOR05728254, Custom Number: C11-00043-786, Ratio: 3.90, Rear Rear... ConditionUsedRear End3.90 ratioFits To Make(s)Western StarFits To Model(s)4900EXWill Fit Year(s)2020Stock NumberP-41443 MLS Number11922378CategoryFront & Rear Cutoffs (Clip Cuts) Last Updated3/12/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info