View 3 Photos View 0 Videos Detroit RS21-4 Rear Axle Housing for a 2024 Freightliner M2 106 Contact for price (Used) 2024 Freightliner M2 106, DIFFERENTIAL HOUSING ONLY- Part Number: C11-00007-217, Serial Number: 742821A0267291, Make: Detroit, Model: RS21-4, Ratio: 5.56, Capacity: 19,000 Lbs,... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)M2 106Will Fit Year(s)2024Part NumberC11-00007-217Stock NumberP-497942 MLS Number14157192CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Detroit RS21-4 Rear Axle Housing for a 2019 Freightliner M2 106 Contact for price (Used) 2019 Freightliner M2 106, DIFFERENTIAL HOUSING ONLY- Part Number: C11-00007-217, Serial Number: 742821B0055761, Make: Detroit, Model: RS21-4, Ratio: 5.56, Capacity: 21,000 Lbs,... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)M2 106Will Fit Year(s)2019Part NumberC11-00007-217Stock NumberP-501445 MLS Number14284099CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Detroit RS21-4 Rear Axle Housing for a 2020 Freightliner M2 106 Contact for price (Used) 2020 Freightliner M2 106, DIFFERENTIAL HOUSING ONLY- Part Number: C11-00007-109, Serial Number: 742821B0084685, Make: Detroit, Model: RS21-4, Ratio: 5.88, Capacity: 19,000 Lbs,... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)M2 106Will Fit Year(s)2020Part NumberC11-00007-109Stock NumberP-502208 MLS Number14318218CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Detroit RT40-NFD-N Rear Axle Housing for a 2020 Freightliner Cascadia 126 Contact for price (Used) 2020 Freightliner Cascadia 126, REAR DIFFERENTIAL HOUSING ONLY- Part Number: C11-00051-317, Serial Number: 771195A0060415, Make: Detroit, Model: RT40-NFD-N, Ratio: 3.08, Capacity:... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Cascadia 126Will Fit Year(s)2020Part NumberC11-00051-317Stock NumberP-498318 MLS Number14161518CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Detroit RT40-NFD-N Rear Axle Housing for a 2021 Freightliner Cascadia 126 Contact for price (Used) 2021 Freightliner Cascadia 126, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00051-620, Serial Number: 771194A0115696, Make: Detroit, Model: RT40-NFD-N, Ratio: 2.85, Capacity: 20... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Cascadia 126Will Fit Year(s)2021Part NumberC11-00051-620Stock NumberP-502271 MLS Number14319439CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Detroit RT40-NFD-N Rear Axle Housing for a 2021 Freightliner Cascadia 126 Contact for price (Used) 2021 Freightliner Cascadia 126, REAR DIFFERENTIAL HOUSING ONLY- Part Number: C11-00051-620, Serial Number: 771195A0115505, Make: Detroit, Model: RT40-NFD-N, Ratio: 2.85, Capacity:... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Cascadia 126Will Fit Year(s)2021Part NumberC11-00051-620Stock NumberP-502276 MLS Number14319445CategoryAxle Housings, Rear Last Updated8/25/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2014 Freightliner Cascadia 125 Contact for price (Used) 2014 Freightliner Cascadia 125, REAR DIFFERENTIAL HOUSING ONLY- Make: Detroit, Model: RT40-4N, Ratio: 3.31, Capacity: 20,000 Lbs, Serial Number: 771AAC-A033563T, For more... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2014Stock NumberP-42168 MLS Number11942381CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2017 Freightliner Cascadia 125 Contact for price (Used) 2017 Freightliner Cascadia 125, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-734, Serial Number: 771AAC-A210439H, Make: Detroit, Model: RT40-4N, Ratio: 2.41, Capacity: 20... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2017Part NumberC11-00042-734Stock NumberP-55827 MLS Number12233512CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2017 Freightliner Cascadia 125 Contact for price (Used) 2017 Freightliner Cascadia 125, REAR DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-734, Serial Number: 771AAC-A210439T, Make: Detroit, Model: RT40-4N, Ratio: 2.41, Capacity:... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2017Part NumberC11-00042-734Stock NumberP-55833 MLS Number12233518CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2018 Freightliner Cascadia 125 Contact for price (Used) 2018 Freightliner Cascadia 125, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-501, Serial Number: 771AAC-A223772H, Make: Detroit, Model: RT40-4N, Ratio: 3.23, Capacity:... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2018Part NumberC11-00042-501Stock NumberP-60022 MLS Number12332362CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2018 Freightliner Cascadia 125 Contact for price (Used) 2018 Freightliner Cascadia 125, REAR DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-501, Serial Number: 771AAC-A223772T, Make: Detroit, Model: RT40-4N, Ratio: 3.23, Capacity:... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2018Part NumberC11-00042-501Stock NumberP-60030 MLS Number12332370CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2016 Western Star 5700 Contact for price (Used) 2016 Western Star 5700, COMPLETE FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-503, Serial Number: 771AAC-A178020H, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity:... ConditionUsedFits To Make(s)Western StarFits To Model(s)5700Will Fit Year(s)2016Part NumberC11-00042-503Stock NumberP-78047 MLS Number12790316CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2016 Western Star 5700 Contact for price (Used) 2016 Western Star 5700, COMPLETE REAR DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-503, Serial Number: 771AAC-A178020T, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity: 20... ConditionUsedFits To Make(s)Western StarFits To Model(s)5700Will Fit Year(s)2016Part NumberC11-00042-503Stock NumberP-78054 MLS Number12790323CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2018 Freightliner Cascadia 126 Contact for price (Used) 2018 Freightliner Cascadia 126, COMPLETE FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-390, Serial Number: 771AAC-A239971H, Make: Detroit, Model: RT40-4N, Ratio: 3.08,... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Cascadia 126Will Fit Year(s)2018Part NumberC11-00042-390Stock NumberP-97034 MLS Number13413521CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2018 Freightliner Cascadia 126 Contact for price (Used) 2018 Freightliner Cascadia 126, COMPLETE REAR DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-390, Serial Number: 771AAC-A239971T, Make: Detroit, Model: RT40-4N, Ratio: 3.08,... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Cascadia 126Will Fit Year(s)2018Part NumberC11-00042-390Stock NumberP-97049 MLS Number13413536CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2016 Western Star 5700 Contact for price (Used) 2016 Western Star 5700, COMPLETE FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-618, Serial Number: 771AAC-A187523H, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity:... ConditionUsedFits To Make(s)Western StarFits To Model(s)5700Will Fit Year(s)2016Part NumberC11-00042-618Stock NumberP-112052 MLS Number13856127CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2016 Western Star 5700 Contact for price (Used) 2016 Western Star 5700, COMPLETE REAR DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-618, Serial Number: 771AAC-A187523T, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity:... ConditionUsedFits To Make(s)Western StarFits To Model(s)5700Will Fit Year(s)2016Part NumberC11-00042-618Stock NumberP-112065 MLS Number13856140CategoryAxle Housings, Rear Last Updated6/29/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2017 Freightliner Cascadia 125 Contact for price (Used) 2017 Freightliner Cascadia 125, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-143, Serial Number: 771AAC-A207402H, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity:... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2017Part NumberC11-00042-143Stock NumberP-494574 MLS Number14097816CategoryAxle Housings, Rear Last Updated8/19/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2017 Freightliner Cascadia 125 Contact for price (Used) 2017 Freightliner Cascadia 125, REAR DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-143, Serial Number: 771AAC-A207402T, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity:... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2017Part NumberC11-00042-143Stock NumberP-494584 MLS Number14097826CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2014 Freightliner Cascadia 125 Contact for price (Used) 2014 Freightliner Cascadia 125, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-045, Serial Number: 771AAC-A112546H, Make: Detroit, Model: RT40-4N, Ratio: 2.53, Capacity:... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2014Part NumberC11-00042-045Stock NumberP-498545 MLS Number14166969CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2014 Freightliner Cascadia 125 Contact for price (Used) 2014 Freightliner Cascadia 125, REAR DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-045, Serial Number: 771AAC-A112546T, Make: Detroit, Model: RT40-4N, Ratio: 2.53, Capacity:... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2014Part NumberC11-00042-045Stock NumberP-498551 MLS Number14166976CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2018 Western Star 5700 Contact for price (Used) 2018 Western Star 5700, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-143, Serial Number: 771AAC-A242503H, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity: 20,000 Lbs,... ConditionUsedFits To Make(s)Western StarFits To Model(s)5700Will Fit Year(s)2018Part NumberC11-00042-143Stock NumberP-501132 MLS Number14273820CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2018 Western Star 5700 Contact for price (Used) 2018 Western Star 5700, REAR DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-143, Serial Number: 771AAC-A242503T, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity: 20,000 Lbs,... ConditionUsedFits To Make(s)Western StarFits To Model(s)5700Will Fit Year(s)2018Part NumberC11-00042-143Stock NumberP-501137 MLS Number14273825CategoryAxle Housings, Rear Last Updated6/21/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Axle Alliance R21-4N Rear Axle Housing for a 2008 Sterling ACTERRA Contact for price (Used) 2008 Sterling ACTERRA, COMPLETE DIFFERENTIAL HOUSING ONLY- Part Number: C11-00008-158, Serial Number: 742821-A027037, Make: Axle Alliance, Model: R21-4N, Ratio: 5.22, Capacity:... ConditionUsedFits To Make(s)SterlingFits To Model(s)ACTERRAWill Fit Year(s)2008Part NumberC11-00008-158Stock NumberP-98128 MLS Number13449002CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Axle Alliance R21-4N Rear Axle Housing for a 2008 Sterling ACTERRA Contact for price (Used) 2008 Sterling ACTERRA, COMPLETE DIFFERENTIAL HOUSING ONLY- Part Number: C11-00008-158, Serial Number: 742821-A026935, Make: Axle Alliance, Model: R21-4N, Ratio: 5.22, Capacity:... ConditionUsedFits To Make(s)SterlingFits To Model(s)ACTERRAWill Fit Year(s)2008Part NumberC11-00008-158Stock NumberP-98211 MLS Number13450187CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info