View 3 Photos View 0 Videos Detroit DD15 Muffler Shield for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, MUFFLER SHIELDS- Side: Driver Left Side, Engine: Detroit DD15 Material: Aluminum, Dimensions: H=54.5", Reference images for condition, For more information... ConditionUsedFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020Stock NumberP-493980 MLS Number14085721CategoryMuffler Shields Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos AIR SLIDE HOLLAND Fifth Wheel for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, FIFTH WHEEL- Serial Number: 14192180429, Make: Holland, Model: FW35C824XL00, Type: Air Slide, Length: 49.5", Width: 34", Height: 7.5", Reference images for... ConditionUsedFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020Stock NumberP-493979 MLS Number14085719CategoryFifth Wheels Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos HUB PILOT Hub for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, REAR DIFFERENTIAL HUBS- Side: Passenger Right Side, Make: Meritor/Rockwell, Model: MT-40-14X, Ratio: 3.42, Capacity: 20,000 Lbs, Hub Bolts: 10, Brake Type:... ConditionUsedFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020Stock NumberP-493978 MLS Number14085718CategoryHubs Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos HUB PILOT Hub for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, REAR DIFFERENTIAL HUBS- Side: Driver Left Side, Make: Meritor/Rockwell, Model: MT-40-14X, Ratio: 3.42, Capacity: 20,000 Lbs, Hub Bolts: 10, Brake Type: Drum... ConditionUsedFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020Stock NumberP-493977 MLS Number14085717CategoryHubs Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Meritor-Rockwell MT40-14X Rear Differential for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00044-009, Serial Number: FOR06042026, Make: Meritor/Rockwell, Model: MT-40-14X, Ratio: 3.42, Capacity:... ConditionUsedRear End3.42 ratioFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020Part NumberC11-00044-009Stock NumberP-493976 MLS Number14085716CategoryDifferentials, Rear Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Meritor-Rockwell MT40-14X Rear Axle Housing for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, REAR DIFFERENTIAL HOUSING ONLY- Part Number: C11-00044-009, Serial Number: FOR06042026, Make: Meritor/Rockwell, Model: MT-40-14X, Ratio: 3.42, Capacity:... ConditionUsedFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020Part NumberC11-00044-009Stock NumberP-493975 MLS Number14085715CategoryAxle Housings, Rear Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Meritor-Rockwell MT40-14X Rear Axle Assembly for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, COMPLETE REAR REAR TANDEM- Part Number: C11-00044-009, Serial Number: FOR06042026, Make: Meritor/Rockwell, Model: MT-40-14X, Ratio: 3.42, Capacity: 20,000... ConditionUsedRear End3.42 ratioFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020Part NumberC11-00044-009Stock NumberP-493973 MLS Number14085714CategoryAxle Assemblies, Rear Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos HUB PILOT Hub for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, FRONT DIFFERENTIAL HUBS- Side: Passenger Right Side, Make: Meritor/Rockwell, Model: MT-40-14X, Ratio: 3.42, Capacity: 20,000 Lbs, Hub Bolts: 10, Brake Type:... ConditionUsedFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020Stock NumberP-493972 MLS Number14085713CategoryHubs Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos HUB PILOT Hub for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, FRONT DIFFERENTIAL HUBS- Side: Driver Left Side, Make: Meritor/Rockwell, Model: MT-40-14X, Ratio: 3.42, Capacity: 20,000 Lbs, Hub Bolts: 10, Brake Type:... ConditionUsedFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020Stock NumberP-493971 MLS Number14085712CategoryHubs Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Meritor-Rockwell MT40-14X Front Differential for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00044-009, Serial Number: FOR06042025, Make: Meritor/Rockwell, Model: MT-40-14X, Ratio: 3.42, Capacity:... ConditionUsedRear End3.42 ratioFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020Part NumberC11-00044-009Stock NumberP-493970 MLS Number14085711CategoryDifferentials, Front Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Meritor-Rockwell MT40-14X Rear Axle Housing for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00044-009, Serial Number: FOR06042025, Make: Meritor/Rockwell, Model: MT-40-14X, Ratio: 3.42, Capacity: 20... ConditionUsedFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020Part NumberC11-00044-009Stock NumberP-493969 MLS Number14085710CategoryAxle Housings, Rear Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Meritor-Rockwell MT40-14X Front Differential for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, COMPLETE FRONT REAR TANDEM- Part Number: C11-00044-009, Serial Number: FOR06042025, Make: Meritor/Rockwell, Model: MT-40-14X, Ratio: 3.42, Capacity: 20,000... ConditionUsedRear End3.42 ratioFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020Part NumberC11-00044-009Stock NumberP-493968 MLS Number14085709CategoryDifferentials, Front Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos Meritor-Rockwell MT-40-14X Cutoff for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, TANDEM CUTTOFF- Part Number: C11-00044-009, Serial Number: FOR06042025/FOR06042026, Make: Meritor/Rockwell, Model: MT-40-14X, Ratio: 3.42, Capacity: 20,000... ConditionUsedRear End3.42 ratioFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020Stock NumberP-493967 MLS Number14085707CategoryCutoffs Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos TRW/ROSS Steering Gear / Rack for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, STEERING BOX- Part Number: 4773303, Serial Number: H98C11 Make: TRW/ROSS, Model: TBD, Side: Driver Left Side, Material: Steel, Reference images for... ConditionUsedFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020Part Number4773303Stock NumberP-493965 MLS Number14085706CategorySteering Gears / Racks Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Western Star 4900FA Left Spindle for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, FRONT SPINDLE/KNUCKLE- Serial Number: 739912A0109722, Part Number: C10-00000-383, Side: Passenger Right Side, Make: Detroit, Model: F12-3N, Capacity: 12,000... ConditionUsedFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020SideLEFTCapacity12,000Part NumberC10-00000-383Stock NumberP-493964 MLS Number14085705CategorySpindles / Knuckles Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos HUB PILOT NA Hub for a 2017 Mack GU813 Newly Listed Contact for price (Used) 2017 Mack GU813, REAR DIFFERENTIAL HUBS- Side: Passenger Right Side, Make: Mack, Model: CRDP150, Ratio: 4.80, Capacity: 23,000 Lbs, Hub Bolts: 10, Brake Type: Drum, For more... ConditionUsedFits To Make(s)MackFits To Model(s)GU813Will Fit Year(s)2017Stock NumberP-493963 MLS Number14085704CategoryHubs Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Western Star 4900FA Left Spindle for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, FRONT SPINDLE/KNUCKLE- Serial Number: 739912A0109722, Part Number: C10-00000-383, Side: Driver Left Side, Make: Detroit, Model: F12-3N, Capacity: 12,000... ConditionUsedFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020SideLEFTCapacity12,000Part NumberC10-00000-383Stock NumberP-493962 MLS Number14085703CategorySpindles / Knuckles Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos HUB PILOT NA Hub for a 2017 Mack GU813 Newly Listed Contact for price (Used) 2017 Mack GU813, REAR DIFFERENTIAL HUBS- Side: Driver Left Side, Make: Mack, Model: CRDP150, Ratio: 4.80, Capacity: 23,000 Lbs, Hub Bolts: 10, Brake Type: Drum, For more... ConditionUsedFits To Make(s)MackFits To Model(s)GU813Will Fit Year(s)2017Stock NumberP-493960 MLS Number14085702CategoryHubs Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Western Star 4900FA Front Leaf Spring for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, FRONT LEAF SPRINGS- Side: Passenger Right Side, Material: Steel, Leaf Quantity: 2, Dimensions: L=59.5", W=4, For more information about this item, give us a... ConditionUsedFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020Stock NumberP-493958 MLS Number14085701CategoryLeaf Springs, Front Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Mack Rear Differential for a 2017 Mack GU813 Newly Listed Contact for price (Used) 2017 Mack GU813, REAR DIFFERENTIAL GEARS ONLY- Part Number: 21387095, Serial Number: TBD, Make: Mack, Model: CRDP150, Ratio: 4.80, Capacity: 23,000 Lbs, For more information about... ConditionUsedRear End4.80 ratioFits To Make(s)MackFits To Model(s)GU813Will Fit Year(s)2017Part Number21387095Stock NumberP-493957 MLS Number14085700CategoryDifferentials, Rear Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Western Star 4900FA Front Leaf Spring for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, FRONT LEAF SPRINGS- Side: Driver Left Side, Material: Steel, Leaf Quantity: 2, Dimensions: L=59.5", W=4, For more information about this item, give us a... ConditionUsedFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020Stock NumberP-493956 MLS Number14085699CategoryLeaf Springs, Front Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Mack Rear Axle Housing for a 2017 Mack GU813 Newly Listed Contact for price (Used) 2017 Mack GU813, REAR DIFFERENTIAL HOUSING ONLY- Part Number: 21387095, Serial Number: TBD, Make: Mack, Model: CRDP150, Ratio: 4.80, Capacity: 23,000 Lbs, Suspension: Leaf Springs,... ConditionUsedFits To Make(s)MackFits To Model(s)GU813Will Fit Year(s)2017Part Number21387095Stock NumberP-493955 MLS Number14085698CategoryAxle Housings, Rear Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Mack Rear Axle Assembly for a 2017 Mack GU813 Newly Listed Contact for price (Used) 2017 Mack GU813, COMPLETE REAR REAR TANDEM- Part Number: 21387095, Serial Number: TBD, Make: Mack, Model: CRDP150, Ratio: 4.80, Capacity: 23,000 Lbs, Hub Bolts: 10, Brake Type: Drum... ConditionUsedRear End4.80 ratioFits To Make(s)MackFits To Model(s)GU813Will Fit Year(s)2017Part Number21387095Stock NumberP-493954 MLS Number14085696CategoryAxle Assemblies, Rear Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Western Star 4900FA Front Axle Assembly for a 2020 Western Star 4900 FA Newly Listed Contact for price (Used) 2020 Western Star 4900 FA, COMPLETE FRONT AXLE- Serial Number: 739912A0109722, Part Number: C10-00000-383, Center Leaf to Center Leaf: 33", Make: Detroit, Model: F12-3N, Capacity:... ConditionUsedFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2020Capacity12,000Part NumberC10-00000-383Stock NumberP-493953 MLS Number14085694CategoryAxle Assemblies, Front Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos HUB PILOT NA Hub for a 2017 Mack GU813 Newly Listed Contact for price (Used) 2017 Mack GU813, FRONT DIFFERENTIAL HUBS- Side: Passenger Right Side, Make: Mack, Model: CRDP150, Ratio: 4.80, Capacity: 23,000 Lbs, Hub Bolts: 10, Brake Type: Drum, For more... ConditionUsedFits To Make(s)MackFits To Model(s)GU813Will Fit Year(s)2017Stock NumberP-493952 MLS Number14085692CategoryHubs Last Updated1/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info