View 9 Photos View 0 Videos 2020 Kenworth T400 Crossmember Recently Updated $239.95 USD Genuine Paccar Crossmember with 4 Gussets, Material: Aluminum, Measurements (with Gussets): 33.5" L X 6" W x 8.5" H, Crossmember OEM# K100-1148 Rev E, Gusset OEM# K140-2438 Rev D / ... ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T400Stock Number16077 MLS Number14045103CategoryCrossmembers Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2016 Eaton RDP41-4.11 Rear Differential for a Kenworth T400 Recently Updated $1,500 USD RDP41 4.11 LOCKER Inspected Take Out + $1200 Core, Yoke: SPL170, Side Gear: 41 Splines, Input: 39 Splines, Locker ConditionUsedRear End4.11 ratioFits To Make(s)KENWORTHFits To Model(s)T400Stock Number16070 MLS Number14030192CategoryDifferentials, Rear Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2016 Eaton DSP41-4.11 Front Differential for a Kenworth T400 Recently Updated $1,295 USD DSP41 4.11 Inspected Takeout +$500 Core, Yoke: SPL170, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T400Stock Number16068 MLS Number14030190CategoryDifferentials, Front Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2004 Cummins ISX 450ST Flywheel for a Peterbilt 378 Recently Updated $120 USD Cummins ISX Flywheel, Clutch: Flat, Clutch Size: 15.5, May need to be turned prior to installation, Casting #: 3680921R ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16067 MLS Number14030189CategoryFlywheels Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 13 Photos View 0 Videos 2019 Freightliner Cascadia Right Interior Door Panel Recently Updated $175 USD FREIGHTLINER Cascadia Interior Door Panel, P/Ns: 16915386 RH / 16915376 RH ConditionUsedFits To Make(s)FREIGHTLINERFits To Model(s)CascadiaSideRightStock Number16066 MLS Number14030188CategoryInterior Door Panels Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos FREIGHTLINER Cascadia Door Panel, Left/Driver Side P/N: 10015313 / 16915375 Recently Updated $174.99 USD FREIGHTLINER Cascadia Door Panel, Left/Driver Side, P/N: 10015313 / 16915375 ConditionUsedSideLeftStock Number16065 MLS Number14030187CategoryInterior Door Panels Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 14 Photos View 0 Videos PETERBILT RH GREY Cab Door Pad Assembly P/N: S60-1495-200731 Additional P/Ns: Recently Updated $575 USD PETERBILT RH GREY Cab Door Pad Assembly, P/N: S60-1495-200731, Additional P/Ns: 16935798 / 16935802 ConditionUsedSideRightStock Number16064 MLS Number14030186CategoryInterior Door Panels Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2013 Eaton DSH40 Front Differential for a Kenworth T660 Recently Updated $1,295 USD DSH40 3.70 Inspected Takeout +$350 Core, Yoke: SPL 250, Side Gear: 41Splines, Input: 44 Splines, Non-Locker ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T660Stock Number16062 MLS Number14027814CategoryDifferentials, Front Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Kenworth FLD120 Dashboard Switch Recently Updated $99.95 USD KENWORTH Switch Dash Panel P/N: K176-7433 / 05315AD ConditionUsedFits To Make(s)KENWORTHFits To Model(s)FLD120Stock Number16061 MLS Number14027813CategoryDashboard Switches Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 11 Photos View 0 Videos PETERBILT Interior Trim Assy. - Door Pad (Left/Driver Side) P/N: Recently Updated $575 USD PETERBILT Interior Trim Assy. - Door Pad (Left/Driver Side), P/N: S60-1494-200731, Additional P/Ns: 16935803 / 16935799, ConditionUsedSideLeftStock Number16059 MLS Number14027811CategoryInterior Door Panels Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2004 Cummins ISX 450ST Flywheel Housing for a Peterbilt 378 Recently Updated $599.95 USD Cummins ISX Flywheel Housing, Take off 2004 Peterbilt 378 with a Cummins ISX 450ST Engine, P/N: 3102195 / 3102196 / 6483635 / 3103584 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16058 MLS Number14027810CategoryFlywheel Housings Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2004 HOLSET HE551V Turbocharger / Supercharger for a Peterbilt 378 Recently Updated $895 USD Holset Turbo Charger, Take off 2004 Peterbilt 378 with a Cummins ISX 450ST Engine, Model: HE551V, Casting# 3598013, ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16056 MLS Number14027809CategoryTurbochargers / Superchargers Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2004 Cummins ISX 450ST Exhaust Manifold for a Peterbilt 378 Recently Updated $199.95 USD Genuine Cummins ISX 3 Piece Exhaust Manifold, Take off 2004 Peterbilt 378 with a Cummins ISX 450ST Engine, Casting #'s : 3682348 / 3682549 / 36872491 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16055 MLS Number14027808CategoryExhaust Manifolds Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2015 Kenworth T880 Air Tank Recently Updated $299.95 USD Genuine Paccar Air Tank, Material: Aluminum, Total Ports : 10; 6 ports on side and 2 ports on each end 9.5" Diameter by 46" Total length 42" Weld to weld, OEM# K239-2743 B / ... Quantity2ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T880Stock Number16053 MLS Number14024637CategoryAir Tanks Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2015 Kenworth T880 Fuel Tank Strap / Bracket Recently Updated $99.95 USD Genuine Kenworth Fuel Tank Straps, Material: Aluminum, Set Up for 24.5" Diameter Tank, OEM# K84-1013-008P Rev J ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T880Stock Number16051 MLS Number14024635CategoryFuel Tank Straps & Brackets Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2015 Kenworth T880 Fuel Tank Strap / Bracket Recently Updated $99.95 USD Genuine Kenworth Fuel Tank Straps, Material: Aluminum, Set Up for 24.5" Diameter Tank, these two straps also have step brackets attached as well, see pictures, OEM# K84-1013-007P Rev J,... Quantity2ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T880Stock Number16050 MLS Number14024634CategoryFuel Tank Straps & Brackets Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2015 Kenworth T880 Fuel Tank Strap / Bracket Recently Updated $115 USD Genuine Kenworth Fuel Tank Hangers / Brackets, Material: Steel, Set up for a 24.5" Diameter Tank mounted on Drivers Side, OEM# K85-6001-001, * Sold Individually * Quantity3ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T880Stock Number16047 MLS Number14024633CategoryFuel Tank Straps & Brackets Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 11 Photos View 0 Videos 2004 Cummins ISX 450ST Engine Thermostat Housing for a Peterbilt 378 Recently Updated $89.95 USD Genuine Cummins ISX Thermostat Housing, Casting # 3683130 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16029 MLS Number14021903CategoryEngine Thermostat Housings Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2004 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 Updated1/6/2026 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 Turbocharger / Supercharger for a Peterbilt 378 Recently Updated $48.99 USD Genuine Cummins ISX Intake Manifold, Material: Aluminum, Casting # 3682489 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16027 MLS Number14021901CategoryTurbochargers / Superchargers Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos 2004 Cummins ISX 450ST Intake Manifold for a Peterbilt 378 Recently Updated $249.95 USD Genuine Cummins Exhaust Gas Recirculation (EGR) Mixer Tube, Matieral: Aluminum, Casting # 3682524 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16025 MLS Number14021899CategoryIntake Manifolds Last Updated1/6/2026 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 Engine Thermostat Housing for a Peterbilt 378 Recently Updated $74.95 USD Genuine Cummins Thermostat Housing Cover, Material: Steel, Casting# 3682667 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16024 MLS Number14021898CategoryEngine Thermostat Housings Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2004 Cummins ISX 450ST Turbocharger / Supercharger for a Peterbilt 378 Recently Updated $48.99 USD Genuine Cummins Air Inlet Adapter, Material: Aluminum, Casting # 3682676 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16023 MLS Number14021897CategoryTurbochargers / Superchargers Last Updated1/6/2026 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 Turbocharger / Supercharger for a Peterbilt 378 Recently Updated $49.95 USD Cummins Air Transfer Connection / ISX Turbo Elbow, Material: Aluminum, Casting # 3682675 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number16022 MLS Number14021896CategoryTurbochargers / Superchargers Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2015 Kenworth T880 Air Tank Recently Updated $49.95 USD Air Tank Mounting Bracket, with U bolt, OEM# 08-03116-006 Rev B / 0803116006, *Sold Individually* Quantity2ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T880Stock Number16009 MLS Number14015491CategoryAir Tanks Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info