View 1 Photo View 0 Videos 2020 Peterbilt 579 Left Fairing $595 USD LH REAR FAIRING 20 579 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020SideLEFTStock Number90722-24 MLS Number11607588CategorySide Fairings Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2020 Peterbilt 579 Left Fairing $395 USD LH FRT FAIRING 20 579 cracked see pictures price has been reduced for being cracked ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020SideLEFTStock Number90722-23 MLS Number11607587CategorySide Fairings Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Peterbilt 579 Sun Visor $495 USD 2020 579 OUTSIDE VISOR ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number90722-22 MLS Number11607586CategorySun Visors Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Peterbilt 579 Left Fender Extension $325 USD LH FENDER EXT 20 579 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020SideLEFTStock Number90722-21 MLS Number11607585CategoryFender Extensions Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2020 Peterbilt 579 Instrument Panel Cluster $895 USD INS CLUSTER 20 579 MX13,FULLER AUTOSHIFT PART# Q43-6079-1-2-111B, Engine Make: PACCAR, Engine Model: MX13 ConditionUsedEngine ModelPaccar MX13Fits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Part NumberQ43-6079-1-2-111BStock Number90722-19 MLS Number11607583CategoryInstrument Panel Clusters Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Peterbilt 579 Air Cleaner / Air Filter Housing $250 USD 20 579 AIR CLEANER ASSY MX13, Dimensions: GET, Material: Plastic ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number90722-18 MLS Number11607582CategoryAir Cleaners / Air Filter Housings Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Peterbilt 579 Radiator $1,250 USD COOL PAC ASSY 2020 579 MX13,FULLER AUTOSHIFT CHECKED WITH 90 DAY WARRANTY, Engine Make: PACCAR, Engine Model: MX13, With Frame: true ConditionUsedEngine ModelPaccar MX13Fits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number90722-13 MLS Number11607577CategoryRadiators Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2020 Peterbilt 579 Front Axle Assembly $1,395 USD MFS12E AXLE ASSY OR PARTS 2020 579, Capacity: 12K, Hub Bolts: 10 PILOT, Brake Type: AIR DRUM, Axle Make: MERITOR ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Capacity12KStock Number90722-12 MLS Number11607576CategoryAxle Assemblies, Front Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Peterbilt 579 Charge Air Cooler (ATAAC) $1,250 USD COOLING PACK ASSY 2020 579 MX13,FULLER AUTOSHIFT 90 DAY WARRANTY, Engine Make: PACCAR, Engine Model: MX13 ConditionUsedEngine ModelPaccar MX13Fits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number90722-7 MLS Number11607571CategoryIntercoolers & Charge Air Coolers Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Peterbilt 579 DEF Tank $595 USD DEF TANK ASSY 2020 579, Air/Hydraulic: Air/Hydraulic, Engine Make: PACCAR, Engine Model: MX13 ConditionUsedEngine ModelPaccar MX13Fits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number90722-6 MLS Number11607570CategoryDiesel Exhaust Fluid (DEF) Tanks Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Peterbilt 579 Left Door $1,495 USD LH DOOR 2020 579, Window Type: Power ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020SideLEFTStock Number90722-3 MLS Number11607567CategoryDoors Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Used 2020 Peterbilt 579 Left Sleeper Door Assembly $350 USD LH SLEEPER DOOR ASSY 20 579 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number90722-1 MLS Number11607565CategorySleeper Misc. Parts Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2021 Peterbilt 579 Instrument Panel Cluster $795 USD INSTRUMENT CLUSTER 2021 PETE 579,MX13, AUTOSHIFT, Engine Make: PACCAR, Engine Model: MX13 ConditionUsedEngine ModelPaccar MX13Fits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2021Part NumberQ43 6080-1-2Stock Number62722-20 MLS Number11492416CategoryInstrument Panel Clusters Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2021 Peterbilt 579 Radiator $1,595 USD COOL PAC RADIATOR AND INTERCOOLER 2021 579 MX13,PRESSURE TESTED 90 DAY WARRANTY, Engine Make: PACCAR, Engine Model: MX13 ConditionUsedEngine ModelPaccar MX13Fits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2021Stock Number62722-12 MLS Number11492409CategoryRadiators Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2021 Peterbilt 579 Right Fuel Tank $895 USD RH 120GAL TANK ASSY 2021 PETE 579, Capacity: 120 GAL, Dimensions: 25'', Material: Aluminum ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2021SideRIGHTCapacity120 GALStock Number62722-10 MLS Number11492407CategoryFuel Tanks (Truck) Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2021 Peterbilt 579 Left Fuel Tank $450 USD LH STRAPS AND BRACKETS ONLY,TANK DENTED 2021 579, Capacity: 120 GAL, Material: Aluminum, Shape: ROUND ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2021SideLEFTCapacity120 GALStock Number62722-9 MLS Number11492406CategoryFuel Tanks (Truck) Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2021 Peterbilt 579 Charge Air Cooler (ATAAC) $1,595 USD COOLING PAC WITH RADIATOR AND INTERCOOLER 2021 579 MX13 FULLER AUTO SHIFT,WILL BE PRESSURE TESTED WITH 90 DAY WARRANTY, Engine Make: PACCAR, Engine Model: MX13 ConditionUsedEngine ModelPaccar MX13Fits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2021Stock Number62722-5 MLS Number11492402CategoryIntercoolers & Charge Air Coolers Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2021 Peterbilt 579 Right Spring Hanger $550 USD RH FRT HANGER 21 579, Capacity: 12.5K, Serial#: B11 1025R, Axle Make: HENDRICKSEN, Axle Model: SOFTEK ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2021SideRIGHTCapacity12.5KStock Number62722-2 MLS Number11492399CategorySpring Hangers Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2021 Peterbilt 579 Left Spring Hanger $595 USD LH FRT HANGER 21 579, Capacity: 12.5, Serial#: B11 1025L, Axle Make: HENDRICKSEN, Axle Model: SOFTEK ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2021SideLEFTCapacity12.5Stock Number62722-1 MLS Number11492398CategorySpring Hangers Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2020 Peterbilt 579 Front Axle Assembly $1,500 USD MFS-12E AXLE ASSY OR PARTS,DISC BRAKE 20 579, Capacity: 12K, Hub Bolts: 10 PILOT, Brake Type: DISC, Axle Make: MERITOR ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Capacity12KStock Number61222-13 MLS Number11464384CategoryAxle Assemblies, Front Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Peterbilt 579 Right Fuel Tank $495 USD RH 150GAL DENTED ON BOTTOM,USABLE,BRACKETS GOOD,STRAPS NEED STRAIGHTENED ON BOTTOM HIGH CENTER, Capacity: 150 GAL, Dimensions: 25 X 63, Material: Aluminum ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020SideRIGHTCapacity150 GALStock Number61222-12 MLS Number11464383CategoryFuel Tanks (Truck) Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Peterbilt 579 Left Fuel Tank $495 USD LH 110GAL TANK 20 579,DENTED ON BOTTOM,USABLE,BRACKETS GOOD,STRAPS NEED STRAIGHTENED HIGH CENTER, Capacity: 110 GAL, Dimensions: 25 X 53, Material: Aluminum ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020SideLEFTCapacity110 GALStock Number61222-11 MLS Number11464382CategoryFuel Tanks (Truck) Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Peterbilt 579 DEF Tank $595 USD GOOD USED DEF TANK ASSY 2020 579, Air/Hydraulic: Air/Hydraulic, Engine Make: Cummins, Engine Model: X15 ConditionUsedEngine ModelCummins X15Fits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number61222-5 MLS Number11464376CategoryDiesel Exhaust Fluid (DEF) Tanks Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2020 Peterbilt 579 Spring Hanger $550 USD RH FRT HANGER 2020 579, Serial#: B11-1025R, Casting#: B11-1025R ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number61222-1 MLS Number11464372CategorySpring Hangers Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Peterbilt 579 Front Axle Assembly $1,595 USD MFS-12E AXLE ASSY 2020 579, Capacity: 12K, Hub Bolts: 10 PILOT, Brake Type: DRUM, Axle Make: MERITOR ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Capacity12KStock Number61122-12 MLS Number11460633CategoryAxle Assemblies, Front Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info