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 6 Photos View 0 Videos Detroit RT40-4N Front Differential for a 2014 Freightliner Cascadia 125 Contact for price (Used) 2014 Freightliner Cascadia 125, FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00042-045, Serial Number: 771AAC-A112546H, Make: Detroit, Model: RT40-4N, Ratio: 2.53, Capacity: 20,000... ConditionUsedRear End2.53 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2014Part NumberC11-00042-045Stock NumberP-498546 MLS Number14166970CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Detroit RT40-4N Rear Axle Assembly for a 2014 Freightliner Cascadia 125 Contact for price (Used) 2014 Freightliner Cascadia 125, COMPLETE REAR REAR TANDEM- Part Number: C11-00042-045, Serial Number: 771AAC-A112546T, Make: Detroit, Model: RT40-4N, Ratio: 2.53, Capacity: 20,000 Lbs... ConditionUsedRear End2.53 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2014Part NumberC11-00042-045Stock NumberP-498550 MLS Number14166975CategoryAxle Assemblies, 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 5 Photos View 0 Videos Detroit RT40-4N Rear Differential for a 2014 Freightliner Cascadia 125 Contact for price (Used) 2014 Freightliner Cascadia 125, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00042-045, Serial Number: 771AAC-A112546T, Make: Detroit, Model: RT40-4N, Ratio: 2.53, Capacity: 20,000... ConditionUsedRear End2.53 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2014Part NumberC11-00042-045Stock NumberP-498552 MLS Number14166977CategoryDifferentials, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Detroit RT40-4N Front Differential for a 2016 Western Star 5700 Contact for price (Used) 2016 Western Star 5700, COMPLETE FRONT REAR TANDEM- Part Number: C11-00042-503, Serial Number: 771AAC-A178020H, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity: 20,000 Lbs, Hub... ConditionUsedRear End3.08 ratioFits To Make(s)Western StarFits To Model(s)5700Will Fit Year(s)2016Part NumberC11-00042-503Stock NumberP-500745 MLS Number14260685CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Detroit RT40-4N Front Differential for a 2018 Western Star 5700 Contact for price (Used) 2018 Western Star 5700, COMPLETE FRONT REAR TANDEM- Part Number: C11-00042-143, Serial Number: 771AAC-A242503H, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity: 20,000 Lbs, Hub... ConditionUsedRear End3.08 ratioFits To Make(s)Western StarFits To Model(s)5700Will Fit Year(s)2018Part NumberC11-00042-143Stock NumberP-501131 MLS Number14273819CategoryDifferentials, Front 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 5 Photos View 0 Videos Detroit RT40-4N Front Differential for a 2018 Western Star 5700 Contact for price (Used) 2018 Western Star 5700, FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00042-143, Serial Number: 771AAC-A242503H, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity: 20,000 Lbs,... ConditionUsedRear End3.08 ratioFits To Make(s)Western StarFits To Model(s)5700Will Fit Year(s)2018Part NumberC11-00042-143Stock NumberP-501133 MLS Number14273821CategoryDifferentials, Front Last Updated7/11/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Detroit RT40-4N Rear Axle Assembly for a 2018 Western Star 5700 Contact for price (Used) 2018 Western Star 5700, COMPLETE REAR REAR TANDEM- Part Number: C11-00042-143, Serial Number: 771AAC-A242503T, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity: 20,000 Lbs, Hub... ConditionUsedRear End3.08 ratioFits To Make(s)Western StarFits To Model(s)5700Will Fit Year(s)2018Part NumberC11-00042-143Stock NumberP-501136 MLS Number14273824CategoryAxle Assemblies, 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 1 Photo View 0 Videos Detroit RT40-4N Rear Differential $950 USD 2.41, ConditionUsedStock NumberREAR-2262 MLS Number14111308CategoryDifferentials, Rear Last Updated3/12/2026 LocationLAKEVILLE, MN, US Sold ByManders Diesel (866) 314-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Detroit RT40-4N Rear Differential $650 USD 2.62, ConditionUsedStock NumberREAR-1804 MLS Number12180990CategoryDifferentials, Rear Last Updated3/12/2026 LocationLAKEVILLE, MN, US Sold ByManders Diesel (866) 314-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Detroit RT40-4N Rear Differential $650 USD 2.53, ConditionUsedStock NumberREAR-1802 MLS Number12180987CategoryDifferentials, Rear Last Updated3/12/2026 LocationLAKEVILLE, MN, US Sold ByManders Diesel (866) 314-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Detroit RT40-4N Rear Differential $650 USD 2.41, ConditionUsedStock NumberREAR-1757 MLS Number12180742CategoryDifferentials, Rear Last Updated3/12/2026 LocationLAKEVILLE, MN, US Sold ByManders Diesel (866) 314-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Detroit RT40-4N Rear Differential $650 USD 2.41, ConditionUsedStock NumberREAR-1603 MLS Number12180163CategoryDifferentials, Rear Last Updated3/12/2026 LocationLAKEVILLE, MN, US Sold ByManders Diesel (866) 314-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2007 Detroit RT40-4N Rear Differential $950 USD 2.41, ConditionUsedStock NumberREAR-2116 MLS Number13385870CategoryDifferentials, Rear Last Updated3/12/2026 LocationLAKEVILLE, MN, US Sold ByManders Diesel (866) 314-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2007 Detroit RT40-4N Rear Differential $650 USD 2.41, ConditionUsedStock NumberREAR-1503 MLS Number12180062CategoryDifferentials, Rear Last Updated3/12/2026 LocationLAKEVILLE, MN, US Sold ByManders Diesel (866) 314-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Detroit RT40-4N Front Differential for a 2016 Freightliner Cascadia Contact for price MILES 626808, Ratio: 262 ConditionUsedRear End2.62 ratioFits To Make(s)FreightlinerFits To Model(s)CascadiaWill Fit Year(s)2016Stock NumberHC0897-3 MLS Number14130631CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Detroit RT40-4N Rear Axle Housing for a 2016 Freightliner Cascadia 125 Contact for price Detroit RT40-4N Rear housing For Sale 3.58 Ratio - Used - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere., Core Charge: 0 ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2016Part NumberRT40-4NStock NumberFR-0822-43 MLS Number13112485CategoryAxle Housings, Rear Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info