View 2 Photos View 0 Videos Caterpillar 3126 Engine for a 2003 Kenworth T300 $8,995 USD CAT REMAN ENGINE ASSEMBLY/ PENDING INSPECTION. REPLACEMENT ENGINE/ ENGINE HAS BEEN REPLACED. WILL TEST RUN, 180 DAY WARRANTY ON HEAD BLOCK AND CRANK see notes, Serial#: NA, Core Charge: 1250... ConditionUsedHorse Power210 HPFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003Part Number3126 CKM65137Stock Number71725-4 MLS Number13727279CategoryEngines 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 2003 Kenworth T300 Charge Air Cooler (ATAAC) $895 USD GOOD USED COOLING PACK ASSEMBLY. RADIATOR AIR TO AIR AND FRAMEWORK. WILL PRESSURE CHECK, Engine Make: Caterpillar, Engine Model: 3126 ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003Part NumberGETStock Number71725-3 MLS Number13727278CategoryIntercoolers & 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 2023 Peterbilt 579 Door Window Regulator $150 USD RH WINDOW REGULATOR ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-27 MLS Number13727275CategoryDoor Window Regulators 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 2023 Peterbilt 579 DPF Filter $4,995 USD X15 DIESEL PARTICLE FILTER ASSEMBLY, Engine Make: Cummins, Engine Model: ISX/X15 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-25 MLS Number13727273CategoryDiesel Particulate Filters (DPF) 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 2023 Peterbilt 579 Right Door $150 USD RH OUTSIDE DOOR HANDLE ONLY ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023SideRIGHTStock Number71525-24 MLS Number13727272CategoryDoors 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 2023 Peterbilt 579 Left Door $150 USD LH OUTSIDE DOOR HANDLE ONLY ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023SideLEFTStock Number71525-23 MLS Number13727271CategoryDoors 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 2023 Peterbilt 579 Air Cleaner / Air Filter Housing $350 USD X15 ENGINE AIR CLEANER, Dimensions: GET, Material: Plastic ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-22 MLS Number13727270CategoryAir 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 Sheppard Steering Gear / Rack for a 2023 Peterbilt 579 $595 USD SHEPPARD STEERING GEAR, Serial#: GET ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-21 MLS Number13727269CategorySteering Gears / Racks 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 2023 Peterbilt 579 Steering Column $995 USD STEERING COLUMN EEO FULLER, Engine Make: Cummins, Engine Model: ISX/X15 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-19 MLS Number13727267CategorySteering Columns Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2023 Peterbilt 579 Instrument Panel Cluster $895 USD DIGITAL SPEEDOMETER CLUSTER PETE 579 PART# Q43-6104-100-100 CHECK CONNECTIONS THIS IS THE UPDATED VERSION FOR PETE 579 ///NOTES///, Engine Make: Cummins, Engine Model: ISX/X15 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Part NumberQ43-6104-100-100Stock Number71525-18 MLS Number13727266CategoryInstrument 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 2023 Peterbilt 579 Instrument Panel Cluster $395 USD DASH DIAGNOSTIC SCREEN, Engine Make: Cummins, Engine Model: ISX/X15 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-17 MLS Number13727265CategoryInstrument 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 Used 2023 Peterbilt 579 Dash Heater / AC Climate Control $695 USD DASH HEATER A/C CLIMATE CONTROL WILL GET PART # ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-16 MLS Number13727264CategoryHeater / AC Climate Control Parts 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 2023 Peterbilt 579 Interior Part Contact for price MISC INTERIOR CAB PARTS CALL FOR INFO ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-15 MLS Number13727263CategoryInterior 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 2023 Peterbilt 579 Right Inner Door Trim Panel $400 USD RH INNER DOOR TRIM PANEL ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-14 MLS Number13727262CategoryInterior 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 Used 2023 Peterbilt 579 Left Inner Door Trim Panel $400 USD LH INNER DOOR TRIM PANEL ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-13 MLS Number13727261CategoryInterior Misc. Parts 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 Used 2023 Peterbilt 579 Left Sleeper Door $395 USD LH SLEEPER DOOR ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-12 MLS Number13727260CategorySleeper Misc. Parts 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 Meritor-Rockwell MT-40-14X Rear Axle Housing for a 2023 Peterbilt 579 $1,795 USD REAR AXLE HOUSING 20-14X AG400L DISC BRAKE BEARING SURFACES ARE GOOD ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-11 MLS Number13727259CategoryAxle Housings, Rear 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 Meritor-Rockwell MT-40-14X Front Axle Housing for a 2023 Peterbilt 579 $1,795 USD FRONT AXLE HOUSING 40-14X AG400L DISC BRAKE BEARING SURFACES ARE GOOD ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-10 MLS Number13727258CategoryAxle Housings, 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 2023 Peterbilt 579 Battery Box $395 USD BATTERY BOX ASSEMBLY ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-9 MLS Number13727257CategoryBattery Boxes / Trays 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 2023 Peterbilt 579 DEF Tank $395 USD DEF TANK ASSEMBLY, Engine Make: Cummins, Engine Model: ISX/X15 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-8 MLS Number13727256CategoryDiesel 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 2023 Peterbilt 579 Left Fuel Tank $595 USD LH FUEL TANK 100 GALLON, Capacity: 100 GALLON, Dimensions: GET, Material: Aluminum ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023SideLEFTCapacity100 GALLONStock Number71525-7 MLS Number13727255CategoryFuel Tanks (Truck) 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 2023 Peterbilt 579 Right Fuel Tank $395 USD RH 120 GALLON FUEL TANK, SMALL DENT IN FRONT, Dimensions: GET, Material: Aluminum ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023SideRIGHTStock Number71525-6 MLS Number13727254CategoryFuel Tanks (Truck) 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 2023 Peterbilt 579 Sun Visor $350 USD OUTSIDE SUNVISOR ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-5 MLS Number13727253CategorySun 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 Meritor-Rockwell MT-40-14X Front Differential for a 2023 Peterbilt 579 $1,095 USD 40-14X 2.85 RATIO LOW MILE WILL INSPECT IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 2.85 ConditionUsedRear End2.85 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-4 MLS Number13727252CategoryDifferentials, 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 Meritor-Rockwell MT-40-14X Rear Differential for a 2023 Peterbilt 579 $1,695 USD 20-14X 2.85 RATIO LOW MILE, WILL INSPECT IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 2.85 ConditionUsedRear End2.85 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-3 MLS Number13727250CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info