View 8 Photos View 0 Videos 2004 Cummins ISX 450ST Camshaft for a Peterbilt 378 Recently Updated $649.95 USD Genuine Cummins ISX Valve Camshaft, Measurements: 43" Long and 2.5" Diameter, Take off Cummins ISX450ST Engine with 535,578 miles, Engine Serial: 14044779, Build Date: 11-23-2002,... ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16305 MLS Number14104391CategoryCamshafts Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos 2004 Cummins ISX 450ST Rocker Arm for a Peterbilt 378 Recently Updated $224.95 USD Cummins Rocker Arm Assembly , Take off Cummins ISX450ST Engine with 535,578 miles, Engine Serial: 14044779, Build Date: 11-23-2002, Casting #'s: 4059304 / 4059294 / 4059351 / 026241 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16301 MLS Number14104387CategoryRocker Arms Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 2004 Cummins ISX 450ST Rocker Arm for a Peterbilt 378 Recently Updated $224.95 USD Cummins Rocker Arm Assembly , Take off Cummins ISX450ST Engine with 535,578 miles, Engine Serial: 14044779, Build Date: 11-23-2002, Casting # 4059353 / 4059297 / 026241 / 4059306 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16300 MLS Number14104386CategoryRocker Arms Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2004 Cummins ISX 450ST Rocker Arm for a Peterbilt 378 Recently Updated $499.95 USD Cummins Rocker Arm Assembly , Take off Cummins ISX450ST Engine with 535,578 miles, Engine Serial: 14044779, Build Date: 11-23-2002, Casting # 3680167, *comes as a set, with both rocker... ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16292 MLS Number14102210CategoryRocker Arms Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2004 Cummins ISX 450ST Engine Oil Pump for a Peterbilt 378 Recently Updated $59.95 USD Cummins ISX Oil Pump, Take off 2004 Peterbilt 378 with a Cummins ISX450ST Engine with 535,578 miles, P/N: 237320C ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16266 MLS Number14094734CategoryEngine Oil Pumps Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 13 Photos View 0 Videos 2023 Kenworth T880 Dash Panel Recently Updated $199.99 USD PACCAR Kenworth Glovebox Assembly, P/Ns: S10-6031-0901 / S22-1232 ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T880Stock Number16262 MLS Number14094725CategoryDash Panels Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 2023 TRW/ROSS TAS85205T Steering Gear / Rack for a Kenworth T880 Recently Updated $495 USD TRW Steering Gear, Take off 2023 Kenworth T880 with 391,895 miles and a Cummins X15 Engine, P/N: TAS85205T / TAS855299 / TAS852269 / TAS852190, Pitman Arm P/N: 84453002 / J23-6034, ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T880Stock Number16258 MLS Number14094717CategorySteering Gears / Racks Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2004 Cummins ISX 450ST Valve Cover for a Peterbilt 378 Recently Updated $69.95 USD Cummins ISX Valve Cover, P/N: 4059375 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16257 MLS Number14094716CategoryValve Covers Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 2004 Cummins ISX 450ST Engine Block / Cylinder Block for a Peterbilt 378 Recently Updated $3,195 USD Cummins ISX Cylinder / Engine Short Block with Crankshaft, Pistons and Rods, Take off 2004 Peterbilt 378 with a Cummins ISX450ST Engine with 535,578 miles , Only Guaranteed as a... ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16256 MLS Number14094713CategoryEngine Blocks / Cylinder Blocks Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 2004 Cummins ISX 450ST Cylinder Head for a Peterbilt 378 Recently Updated $1,495 USD ISX Dual Cam Cylinder Head Assembly, Take off 2004 Peterbilt 378 with a Cummins ISX450ST Engine with 535,578 miles, Only Guaranteed as Rebuildable Core, P/N: 5658283 / 3683002 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16254 MLS Number14094709CategoryCylinder Heads Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2023 Eaton-Fuller RTLO18918B Transmission for a Kenworth T880 Recently Updated $3,495 USD RTLO 18918B Inspected Takeout +$3000 Core, Pump: Yes; Internal, No Cooler, Yoke: SPL 250, Speedometer: Sensor, Input Shaft: 2" Dia ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T880Stock Number16196 MLS Number14077133CategoryTransmissions Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell RD40-145 Front Differential Newly Listed $1,095 USD INSPECTED TAKEOUT RD40-145 3.21. 90 DAY PARTS ONLY WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 62188, Core Charge: EXCHANGE, Ratio: 3.21 ConditionUsedPart Number62188Stock Number62188 MLS Number14139689CategoryDifferentials, Front Last Updated2/12/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2002 International F2674 Salvage Truck Newly Listed Contact for price 2002 IH F2674,N14 CELECT PLUS,370HP,CPL2590,ESN#12036610,ALLISON HD4560P,40-145 4.88 ON HN402, I180S 18K FRT AXLE, DECENT 15-16FT DUMP BOX, Ratio: 488, Engine Make: Cummins, Transmission... ConditionUsedRear End4.88 ratioFits To Make(s)InternationalFits To Model(s)F-2674 SBAWill Fit Year(s)2002Stock Number20926 MLS Number14139688CategorySalvage Trucks Last Updated2/12/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP41 Front Differential Newly Listed $1,095 USD INSPECTED TAKEOUT DSP41 4.88. 90 DAY PARTS ONLY WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 62187, Core Charge: EXCHANGE, Ratio: 4.88 ConditionUsedPart Number62187Stock Number62187 MLS Number14139686CategoryDifferentials, Front Last Updated2/12/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2002 Peterbilt 379 Salvage Truck Newly Listed Contact for price 2002 PETE 379 C15 475HP 6NZ48743,RTLO18918B,DSP40 355 ON LOW AIR LEAF,E-1200I FRT AXLE,CUSTOM SLEEPER, Ratio: 355, Engine Make: Caterpillar, Transmission Make: Eaton/Fuller, Transmission... ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)2002Stock Number20826 MLS Number14139685CategorySalvage Trucks Last Updated2/12/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell RR20-145 Rear Differential Newly Listed $495 USD INSPECTED TAKEOUT RR20-145 3.21. 90 DAY PARTS ONLY WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 62186, Core Charge: EXCHANGE, Ratio: 3.21 ConditionUsedPart Number62186Stock Number62186 MLS Number14139678CategoryDifferentials, Rear Last Updated2/12/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2019 Peterbilt 367 Body Control Module Newly Listed $795 USD BODY CONTROL MODULE #A2C53335934 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)367Will Fit Year(s)2019Part NumberA2C53335934Stock Number12326-22 MLS Number14139676CategoryBody / Chassis Control Modules Last Updated2/12/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2023 Kenworth T400 Body Control Module Newly Listed $695 USD BODY CONTROL MODULE #A2C18863500 ConditionUsedFits To Make(s)KenworthFits To Model(s)T400Will Fit Year(s)2023Part NumberA2C18863500Stock Number11326-23 MLS Number14139675CategoryBody / Chassis Control Modules Last Updated2/12/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Bendix ABS Control Module for a 2023 Kenworth T400 Newly Listed $695 USD ABS MODULE #K139001R000 ConditionUsedFits To Make(s)KenworthFits To Model(s)T400Will Fit Year(s)2023Part NumberK139001R000Stock Number11326-22 MLS Number14139674CategoryABS Control Modules Last Updated2/12/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2021 Kenworth T680 Fuse Box Newly Listed $450 USD USED KENWORTH T680 FUSE BOX/ PACCAR ENGINE/ PACCAR PO-16F112C TRANSMISSION PART# P27-1232-0101, Engine Make: PACCAR, Engine Model: MX13 ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2021Part NumberP27-1232-0101Stock Number40923-12 MLS Number14139672CategoryFuse Boxes & Panels Last Updated2/12/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins ISX15 Engine for a 2024 Kenworth T880 Recently Updated Contact for price PENDING INSPECTION/ X15 565HP, WILL TEST RUN, CHECK ROD AND MAIN BEARINGS. WILL INSPECT CAMSHAFT AND ROCKERS.180 DAY WARRANTY ON HEAD BLOCK AND CRANK, Serial#: 80530195, Core Charge: 5000.00... ConditionUsedCPL/ARR5880Horse Power565 HPFits To Make(s)KenworthFits To Model(s)T880Will Fit Year(s)2024Part NumberX15Stock Number12626-3 MLS Number14121974CategoryEngines Last Updated2/12/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 13 Photos View 0 Videos 2016 Kenworth AG-400 Cutoff for a Kenworth T880 Recently Updated $3,500 USD KW AG400/8 Bag cutoff assembly. Suspension with housings/ no differentials. Was equipped with DSP/RDP40 differentials. Disc brakes Measures: 15' 9" long or 189" ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T880Stock Number16046 MLS Number14024632CategoryCutoffs Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos 2004 Peterbilt 378 Electrical Parts Recently Updated $69.99 USD Genuine Cummins ISX Electronic Control Cooler for ECM / Cooling Plate for ECM, Take off 2004 Peterbilt 378 with a Cummins ISX 450ST Engine, Casting # 4076861 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16028 MLS Number14021902CategoryElectrical Misc. Parts Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 2004 Peterbilt 378 Right Fender Recently Updated $339.95 USD Genuine Peterbilt Fender Extension Passengers / Right Side, Take off 2004 Peterbilt 378, Material: Fiberglass, Some scratches and gauges in the fiberglass, see pictures, OEM#... ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378SideRightStock Number15862 MLS Number13989019CategoryFenders Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos 2004 Peterbilt 378 Left Fender Recently Updated $339.95 USD Genuine Peterbilt Fender Extension Drivers / Left Side, Take off 2004 Peterbilt 378, Material: Fiberglass, Some scratches and gauges in the fiberglass, see pictures, OEM# 15-06902M001L,... ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378SideLeftStock Number15830 MLS Number13987590CategoryFenders Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info