View 4 Photos View 0 Videos Dana R40-155 Rear Differential for a 2018 Peterbilt 579 Contact for price (Used) 2018 Peterbilt 579, REAR DIFFERENTIAL GEARS ONLY- Part Number: 10027677, Serial Number: TBD, Make: Spicer, Model: R40-155, Ratio: 2.64, Capacity: 19,000 Lbs, Reference images for... ConditionUsedRear End2.64 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2018Part Number10027677Stock NumberP-498052 MLS Number14158038CategoryDifferentials, Rear Last Updated2/22/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Dana R40-155 Rear Axle Housing for a 2018 Peterbilt 579 Contact for price (Used) 2018 Peterbilt 579, REAR DIFFERENTIAL HOUSING ONLY- Part Number: 10027677, Serial Number: TBD, Make: Spicer, Model: R40-155, Ratio: 2.64, Capacity: 19,000 Lbs, Suspension: Air... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2018Part Number10027677Stock NumberP-498051 MLS Number14158037CategoryAxle Housings, Rear Last Updated2/22/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Dana R40-155 Rear Axle Assembly for a 2018 Peterbilt 579 Contact for price (Used) 2018 Peterbilt 579, COMPLETE REAR REAR TANDEM- Part Number: 10027677, Serial Number: TBD, Make: Spicer, Model: R40-155, Ratio: 2.64, Capacity: 19,000 Lbs, Hub Bolts: 10, Brake Type:... ConditionUsedRear End2.64 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2018Part Number10027677Stock NumberP-498049 MLS Number14158035CategoryAxle Assemblies, Rear Last Updated2/22/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Dana D40-155 Rear Axle Housing for a 2018 Peterbilt 579 Contact for price (Used) 2018 Peterbilt 579, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: 134660, Serial Number: TBD, Make: Spicer, Model: D40-155, Ratio: 2.64, Capacity: 19,000 Lbs, Suspension: Air... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2018Part Number134660Stock NumberP-498044 MLS Number14158030CategoryAxle Housings, Rear Last Updated2/22/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Dana R40-155 Rear Differential for a 2020 Peterbilt 579 Contact for price (Used) 2020 Peterbilt 579, REAR DIFFERENTIAL GEARS ONLY- Part Number: TBD, Serial Number: HN07682197, Make: Spicer, Model: R40-155, Ratio: 2.79, Capacity: 19,000 Lbs, Reference images for... ConditionUsedRear End2.79 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock NumberP-494310 MLS Number14094345CategoryDifferentials, Rear Last Updated1/16/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Dana D40-155 Rear Axle Housing for a 2020 Peterbilt 579 Contact for price (Used) 2020 Peterbilt 579, REAR DIFFERENTIAL HOUSING ONLY- Part Number: TBD, Serial Number: HN07682197, Make: Spicer, Model: D40-155, Ratio: 2.79, Capacity: 19,000 Lbs, Suspension: Air... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock NumberP-494308 MLS Number14094343CategoryAxle Housings, Rear Last Updated2/9/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Dana D40-155 Rear Axle Assembly for a 2020 Peterbilt 579 Contact for price (Used) 2020 Peterbilt 579, COMPLETE REAR REAR TANDEM- Part Number: TBD, Serial Number: HN07682197, Make: Spicer, Model: D40-155, Ratio: 2.79, Capacity: 19,000 Lbs, Hub Bolts: 10, Brake Type:... ConditionUsedRear End2.79 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Part NumberTBDStock NumberP-494307 MLS Number14094342CategoryAxle Assemblies, Rear Last Updated1/16/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Dana D40-155 Rear Axle Housing for a 2020 Peterbilt 579 Contact for price (Used) 2020 Peterbilt 579, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: 10000891, Serial Number: U930382861, Make: Spicer, Model: D40-155, Ratio: 2.79, Capacity: 19,000 Lbs, Suspension: Air... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Part Number10000891Stock NumberP-494302 MLS Number14094335CategoryAxle Housings, Rear Last Updated2/9/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Dana DSP40 Rear Axle Housing for a 2014 Peterbilt 579 Contact for price (Used) 2014 Peterbilt 579, COMPLETE REAR DIFFERENTIAL HOUSING ONLY- Part Number: 511331, Serial Number: HN04242870, Make: Spicer, Model: DSP40, Ratio: 3.90, Capacity: 18,999 Lbs, Suspension... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2014Part Number511331Stock NumberP-112361 MLS Number13867924CategoryAxle Housings, Rear Last Updated2/9/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Dana DSP40 Rear Axle Assembly for a 2014 Peterbilt 579 Contact for price (Used) 2014 Peterbilt 579, COMPLETE REAR REAR TANDEM- Part Number: 511331, Serial Number: HN04242870, Make: Spicer, Model: DSP40, Ratio: 3.90, Capacity: 18,999 Lbs, Hub Bolts: 10, Brake Type... ConditionUsedRear End3.90 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2014Part Number511331Stock NumberP-112360 MLS Number13867923CategoryAxle Assemblies, Rear Last Updated10/4/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Dana DSP40 Rear Axle Housing for a 2014 Peterbilt 579 Contact for price (Used) 2014 Peterbilt 579, COMPLETE FRONT DIFFERENTIAL HOUSING ONLY- Part Number: 511331, Serial Number: BMG006399, Make: Spicer, Model: DSP40, Ratio: 3.90, Capacity: 18,999 Lbs, Suspension... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2014Part Number511331Stock NumberP-112356 MLS Number13867918CategoryAxle Housings, Rear Last Updated2/9/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Dana DSP41 Rear Differential for a 2016 Peterbilt 579 Contact for price (Used) 2016 Peterbilt 579, REAR DIFFERENTIAL GEARS ONLY- Serial Number: HN04665052, Part Number: TBD, Make: Spicer/Dana, Model: DSP41, Ratio: 2.64, Capacity: 19,000Lbs, Reference images for... ConditionUsedRear End2.64 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2016Stock NumberP-111761 MLS Number13845324CategoryDifferentials, Rear Last Updated9/24/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Dana DSP41 Rear Axle Housing for a 2016 Peterbilt 579 Contact for price (Used) 2016 Peterbilt 579, COMPLETE REAR DIFFERENTIAL HOUSING ONLY- Serial Number: HN04665052, Part Number: TBD, Make: Spicer/Dana, Model: DSP41, Ratio: 2.64, Capacity: 19,000Lbs, Suspension... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2016Stock NumberP-111760 MLS Number13845323CategoryAxle Housings, Rear Last Updated2/9/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Dana DSP41 Rear Axle Assembly for a 2016 Peterbilt 579 Contact for price (Used) 2016 Peterbilt 579, COMPLETE REAR REAR TANDEM- Serial Number: HN04665052, Part Number: TBD, Make: Spicer/Dana, Model: DSP41, Ratio: 2.64, Capacity: 19,000Lbs, Hub Bolts: 10, Brake... ConditionUsedRear End2.64 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2016Stock NumberP-111757 MLS Number13845316CategoryAxle Assemblies, Rear Last Updated9/24/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Dana DSP41 Rear Axle Housing for a 2016 Peterbilt 579 Contact for price (Used) 2016 Peterbilt 579, COMPLETE FRONT DIFFERENTIAL HOUSING ONLY- Serial Number: HN04665051, Part Number: TBD, Make: Spicer/Dana, Model: DSP41, Ratio: 2.64, Capacity: 19,000Lbs,... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2016Stock NumberP-111752 MLS Number13845308CategoryAxle Housings, Rear Last Updated2/9/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Dana DSP40 Rear Differential for a 2025 Peterbilt 579 Contact for price (Used) 2025 Peterbilt 579, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Serial Number: 222YMY02527479, Make: Spicer, Model: DSP40, Ratio: 3.08, Capacity: 20,000 Lbs, Reference images for condition... ConditionUsedRear End3.08 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2025Stock NumberP-109578 MLS Number13779344CategoryDifferentials, Rear Last Updated8/26/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Dana DSP40 Rear Differential for a 2018 Peterbilt 579 Contact for price (Used) 2018 Peterbilt 579, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Part Number: 514534, Serial Number: HN05183729, Make: Spicer, Model: DSP40, Ratio: 3.08, Capacity: 20,000 Lbs, For more... ConditionUsedRear End3.08 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2018Part Number514534Stock NumberP-102935 MLS Number13606558CategoryDifferentials, Rear Last Updated5/28/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Dana DSP40 Rear Axle Housing for a 2018 Peterbilt 579 Contact for price (Used) 2018 Peterbilt 579, COMPLETE REAR DIFFERENTIAL HOUSING ONLY- Part Number: 514534, Serial Number: HN05183729, Make: Spicer, Model: DSP40, Ratio: 3.08, Capacity: 20,000 Lbs, Suspension:... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2018Part Number514534Stock NumberP-102933 MLS Number13606556CategoryAxle Housings, Rear Last Updated2/9/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Dana DSP40 Rear Axle Assembly for a 2018 Peterbilt 579 Contact for price (Used) 2018 Peterbilt 579, COMPLETE REAR REAR TANDEM- Part Number: 514534, Serial Number: HN05183729, Make: Spicer, Model: DSP40, Ratio: 3.08, Capacity: 20,000 Lbs, Hub Bolts: 10, Brake... ConditionUsedRear End3.08 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2018Part Number514534Stock NumberP-102930 MLS Number13606553CategoryAxle Assemblies, Rear Last Updated5/28/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Dana DSP40 Rear Axle Housing for a 2018 Peterbilt 579 Contact for price (Used) 2018 Peterbilt 579, COMPLETE FRONT DIFFERENTIAL HOUSING ONLY- Part Number: 514534, Serial Number: HN05183728, Make: Spicer, Model: DSP40, Ratio: 3.08, Capacity: 20,000 Lbs, Suspension... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2018Part Number514534Stock NumberP-102925 MLS Number13606547CategoryAxle Housings, Rear Last Updated2/9/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Dana RSP41 Rear Axle Assembly for a 2016 Peterbilt 579 Contact for price Dana Spicer RSP41 Rear Rear Differential For Sale 2.93 Ratio - Capacity: 20,500 lbs. - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship... ConditionUsedRear End2.93 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2016Stock NumberPT-0854-25 MLS Number13272326CategoryAxle Assemblies, Rear Last Updated12/6/2024 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info