13 0 Meritor-Rockwell MT40-14X Front Axle Assembly for a 2019 Peterbilt 579 $2,500 USD Good used Meritor/Rockwell MT-40-14X Front rear axle assembly from a 2019 Peterbilt 579 truck. The axle assembly has been visually inspected and is in good condition. The axle assembly... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2019Part Number240316-25Stock Number240316-25 MLS Number13810875CategoryAxle Assemblies, Front Last Updated9/13/2025 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 Meritor-Rockwell MT40-14X Front Axle Assembly for a 2015 Peterbilt 579 Contact for price 2015 PETE 579 MERITOR MFS12E STEER AXLE, 3.74" DROP, 2 LEAF, ABS, DISC BRAKES, 12000 LBS, Serial#: NA, Hub Bolts: 10, Ratio: 3.90, Suspension: LOW AIR LEAF ConditionUsedRear End3.90 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2015Part NumberMFS12EStock Number3858-PETE-6 MLS Number13749029CategoryAxle Assemblies, Front Last Updated9/30/2025 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 2021 Meritor-Rockwell MFS-13-132B Front Axle Assembly $1,600 USD 186926-821 - Used Meritor-Rockwell Front/Steer Axle, 2021 Peterbilt 579 LOW MILEAGE / NEVER WRECKED ConditionUsedFits To Make(s)MERITOR-ROCKWELLFits To Model(s)MFS-13-132BCapacity13,200 LBSStock Number2472934 MLS Number13293111CategoryAxle Assemblies, Front Last Updated6/2/2025 LocationSpokane Valley, WA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
15 0 2016 Meritor-Rockwell MFS-12E-143A-N Front Axle Assembly $1,095.24 USD USED STEER AXLE OFF OF A 2016 PETERBILT 579 WITH DISC BRAKES. ConditionUsedFits To Make(s)MERITOR-ROCKWELLFits To Model(s)MFS-12E-143A-NCapacity12000Stock Number2295065 MLS Number12286988CategoryAxle Assemblies, Front Last Updated6/3/2025 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
12 0 2017 Meritor-Rockwell MFS-12E-143A-N Front Axle Assembly $1,095.24 USD USED MERITOR-ROCKWELL MFS-12-143A-N STEER AXLE OFF OF A 2017 PETERBILT 579. AXLE HAS DISC BRAKES. ConditionUsedFits To Make(s)MERITOR-ROCKWELLFits To Model(s)MFS-12E-143A-NCapacity12000Stock Number2300007 MLS Number12325685CategoryAxle Assemblies, Front Last Updated6/3/2025 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
0 0 2018 Meritor-Rockwell CANNOT BE IDENTIFIED Front Axle Assembly Recently Updated $1,470 USD 2018 Peterbilt 579 Meritor Front Axle, 10 Hole Hub Piloted, Air Brakes, ABS, 70" King Pin To King Pin, 34" Spring Center To Spring Center, 4" Wide Springs, ConditionUsedFits To Make(s)MERITOR-ROCKWELLFits To Model(s)CANNOT BE IDENTIFIEDCapacityNAStock Number2562690 MLS Number13853947CategoryAxle Assemblies, Front Last Updated10/7/2025 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
0 0 2022 Meritor-Rockwell CANNOT BE IDENTIFIED Front Axle Assembly $1,470 USD 2022 Peterbilt 579 Meritor Front Axle, 10 Hole Hub Piloted, Air Brakes, ABS, " King Pin To King Pin, " Spring Center To Spring Center, " Wide Springs, ConditionUsedFits To Make(s)MERITOR-ROCKWELLFits To Model(s)CANNOT BE IDENTIFIEDCapacityNAStock Number2563846 MLS Number13857239CategoryAxle Assemblies, Front Last Updated10/7/2025 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
0 0 2019 Meritor-Rockwell MFS-12E-122B Front Axle Assembly $1,380.24 USD STEER AXLE 2019 PETERBILT 579 ConditionUsedFits To Make(s)MERITOR-ROCKWELLFits To Model(s)MFS-12E-122BCapacity12,000Stock Number2367636 MLS Number12665911CategoryAxle Assemblies, Front Last Updated9/17/2025 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
0 0 2023 Meritor-Rockwell CANNOT BE IDENTIFIED Front Axle Assembly $1,470 USD 2023 Peterbilt 579 Meritor Front Axle, 10 Hole Hub Piloted, Air Brakes, ABS, 70" King Pin To King Pin, 34" Spring Center To Spring Center, 4" Wide Springs , ConditionUsedFits To Make(s)MERITOR-ROCKWELLFits To Model(s)CANNOT BE IDENTIFIEDCapacityNAStock Number2526622 MLS Number13626832CategoryAxle Assemblies, Front Last Updated6/11/2025 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
0 0 2020 Meritor-Rockwell MFS-13B-122C-N Front Axle Assembly $1,200.34 USD 186390-821 2020 peterbilt 579 MERITOR STEER AXLE OFF OF A NEVER WRECKED LOW MILEAGE TRUCK ConditionUsedFits To Make(s)MERITOR-ROCKWELLFits To Model(s)MFS-13B-122C-NCapacity13,200 LBSStock Number2442679 MLS Number13065489CategoryAxle Assemblies, Front Last Updated6/2/2025 LocationSpokane Valley, WA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info