View 2 Photos View 0 Videos Caterpillar 3126 Engine for a 2003 Kenworth T300 Contact for price CAT 3126 250HP HEP, RUNS GOOD LIGHT BLOWBY, Serial#: HEP12164, Horse Power: 250 ConditionUsedHorse Power250 HPFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003Stock Number22726-4 MLS Number14231499CategoryEngines Last Updated3/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS404 Rear Differential for a 2003 Kenworth T300 $695 USD RS404 4.63 RATIO, USED TAKEOUT. WILL INSPECT IN OUR GEARSHOP, 90 DAY WARRANTY., Ratio: 4.63 ConditionUsedRear End4.63 ratioFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003Stock Number22726-3 MLS Number14231498CategoryDifferentials, Rear Last Updated3/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2003 Kenworth T300 Steering Column $400 USD GOOD USED STEERING COLUMN ASSEMBLY, Engine Make: Caterpillar, Engine Model: 3126 ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003Stock Number22726-18 MLS Number14231497CategorySteering Columns Last Updated3/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2003 Kenworth T300 Right Air Cleaner / Air Filter Housing $300 USD UNDER HOOD AIR CLEANER HOUSING. PLASTIC, Dimensions: NA, Material: Plastic ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003SideRIGHTStock Number22726-17 MLS Number14231496CategoryAir Cleaners / Air Filter Housings Last Updated3/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2003 Kenworth T300 Right Fender Extension $250 USD GOOD USED RH SIDE FENDER EXTENSION ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003SideRIGHTStock Number22726-16 MLS Number14231495CategoryFender Extensions Last Updated3/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2003 Kenworth T300 Battery Box $350 USD GOOD USED 30'' BATTERY BOX ASSY. ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003Stock Number22726-15 MLS Number14231494CategoryBattery Boxes / Trays Last Updated3/9/2026 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 Right Side View Mirror $195 USD GOOD USED RH SIDE MIRROR ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003SideRIGHTStock Number22726-14 MLS Number14231493CategorySide View Mirrors Last Updated3/9/2026 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 Left Side View Mirror $195 USD GOOD USED LH SIDE MIRROR ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003SideLEFTStock Number22726-13 MLS Number14231492CategorySide View Mirrors Last Updated3/9/2026 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 Right Door $895 USD GOOD USED RH DOOR ASSEMBLY. MANUAL WINDOW T300,T400,T270,T600,T800,W900. LATE DOOR HANDLE. 03 NEWER, Window Type: Manual ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003SideRIGHTStock Number22726-12 MLS Number14231491CategoryDoors Last Updated3/9/2026 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 Left Door $895 USD GOOD USED LH DOOR ASSEMBLY. MANUAL WINDOW T300,T400,T270,T600,T800,W900. LATE DOOR HANDLE. 03 NEWER, Window Type: Manual ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003SideLEFTStock Number22726-11 MLS Number14231490CategoryDoors Last Updated3/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS404 Rear Axle Housing for a 2003 Kenworth T300 $1,095 USD RS404 AXLE HOUSING ON REYCO 79KB, Hub Bolts: 10, Suspension: REYCO 79KB, Brake Type: DRUM ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003Stock Number22726-10 MLS Number14231489CategoryAxle Housings, Rear Last Updated3/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Sheppard M100 PDQ15 Steering Gear / Rack for a 2003 Kenworth T300 $395 USD GOOD USED STEERING GEAR ASSY, 90 DAY WARRANTY, Serial#: M100PDQ15 ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003Stock Number22726-8 MLS Number14231487CategorySteering Gears / Racks Last Updated3/9/2026 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 Radiator $895 USD COOLING PACK ASSEMBLY. ALLISON TRANS .WILL PRESSURE CHECK. 90 DAY WARRANTY, Engine Make: Caterpillar, Engine Model: 3126, With Frame: true ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003Stock Number22726-7 MLS Number14231486CategoryRadiators Last Updated3/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2003 Kenworth T300 Front Axle Assembly Contact for price E1200E FRT AXLE COMPLETE OR FOR PARTS, Capacity: 12K, Serial#: HEP12164, Hub Bolts: 10, Brake Type: DRUM ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003Capacity12KStock Number22726-6 MLS Number14231485CategoryAxle Assemblies, Front Last Updated3/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2003 Kenworth T300 Right Fuel Tank $395 USD GOOD USED RH FUEL TANK, 50 GAL, Capacity: 50, Dimensions: 50 GAL, Material: Steel, Fuel Tank Fill Location: Rear ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003SideRIGHTCapacity50Stock Number22726-5 MLS Number14231484CategoryFuel Tanks (Truck) Last Updated3/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2003 Kenworth T300 Hood $1,995 USD GOOD USED HOOD ASSEMBLY/HAS CRACKS BY LH SIDE HEADLIGHT. FITS 95-09 CONFIRM OE P/N. ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003Stock Number22726-2 MLS Number14231483CategoryHoods Last Updated3/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2003 Kenworth T300 Front Bumper $350 USD GOOD USED BUMPER ASSEMBLY/ CENTER AND LH AND RH SIDE. LH SIDE IS SLIGHTLY PUSHED IN ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003Stock Number22726-1 MLS Number14231482CategoryBumpers, Front Last Updated3/9/2026 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 Salvage Truck Contact for price 2003 KENWORTH T300, CAT 3126 250HP ESN#HEP12164. ALISON MD3060P, RS404 4.63 RATIO, ON REYCO 79KB. E1200E FRT AXLE, Serial#: HEP12164, Ratio: 4.63, Engine Make: Caterpillar, Transmission Make... ConditionUsedRear End4.63 ratioFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003Stock Number22726 MLS Number14231481CategorySalvage Trucks Last Updated3/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2014 Peterbilt 389 Salvage Truck Contact for price 2014 PETE 389 CONVERTED TO ISX SIGNATURE 600,CPL2824,ESN#60820911,PRE ELD,NO DPF,REBUILT DEC 2024 WITH PAPERWORK,RTLO18918B,DSP40 336 ON AG400L,FRT DROPIN REBUILT MAY 2024 WITH... ConditionUsedRear End3.36 ratioFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2014Stock Number22626 MLS Number14231480CategorySalvage Trucks Last Updated3/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2019 Peterbilt 579 Exhaust Pipe $650 USD USED PETE 579 EXHAUST BELLOW PIPE PACCAR MX13 PART# M66-7504-004 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2019Part NumberM66-7504-004Stock Number41325-38 MLS Number14231479CategoryExhaust Pipes Last Updated3/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 1 Video 2017 Peterbilt 348 Salvage Truck Contact for price ISL9 350HP,4612CPL CPL4612,3000RDS,DSP41 5.29 ON AIR TRAC,E1462I, SD110, Serial#: 74015824, Ratio: 5.29, Engine Make: PACCAR, Transmission Make: Allison ConditionUsedRear End5.29 ratioFits To Make(s)PeterbiltFits To Model(s)348Will Fit Year(s)2017Stock Number22526 MLS Number14166708CategorySalvage Trucks Last Updated3/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DS402 Front Differential for a 1994 Peterbilt 379 $1,695 USD DS402 3.55 RATIO, USED TAKEOUT, WILL INSPECT IN OUR GEARSHOP. 90 DAY WARANTY, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1994Stock Number21426-2 MLS Number14166706CategoryDifferentials, Front Last Updated3/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS402 Rear Differential for a 1994 Peterbilt 379 $995 USD RS402 3.55 RATIO, USED TAKEOUT, WILL INSPECT IN OUR GEARSHOP. 90 DAY WARANTY, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1994Stock Number21426-3 MLS Number14166705CategoryDifferentials, Rear Last Updated3/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 1 Video Caterpillar 3406E Engine for a 1994 Peterbilt 379 Contact for price CAT 3406E 550HP ESN#5EK08766. PENDING INSPECTION, RUNS GOOD, WILL CHECK BEARINGS, 180 DAY WARRANTY ON HEAD, BLOCK AND CRANK.APROX 250K ON REBUILD, GETTING PAPERWORK, Serial#: 5EK08766,... ConditionUsedHorse Power550 HPFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1994Stock Number21426-4 MLS Number14166704CategoryEngines Last Updated3/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 1 Video 1994 Peterbilt 379 Salvage Truck Contact for price 94 PETE 379 3406E 550HP 5EK, RTLO18918B,DS402 3.90 ON LOW AIR LEAF,EFA12F4 FRT AXLE, 250K ON ENGINE, TEST RUNS GOOD ,100K ON TRANS,TRYING TO GET PAPERWORK, Ratio: 3.55, Engine Make:... ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1994Stock Number21426 MLS Number14161294CategorySalvage Trucks Last Updated3/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info