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High Mountain Horsepower Engine Parts For Sale

High Mountain Horsepower, LLC
Spokane Valley, WA 99216
United States
(833) 913-0014
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Engine Parts (386)
   Camshafts (7)    Crankshafts (4)    EGR Coolers (31)    Engine Air Compressors (25)    Engine Blocks / Cylinder Blocks (1)    Engine Brakes / Jake Brakes (3)    Engine Control Modules (ECM) (8)    Engine Harmonic Balancers (1)    Engine Miscellaneous Parts (92)    Engine Mounts (162)    Engine Oil Coolers (8)    Engine Oil Pans (9)    Engine Oil Pumps (8)    Engine Thermostat Housings (3)    Engine Wiring Harnesses (2)    Pistons & Rod Parts (1)    Rocker Arms (3)    Valve Covers (18)
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Showing 1 - 25 of 386 Engine Part Listings

1 - 25 of 386 listings
1 - 25 of 386 listings
Mercedes-Benz OM460LA Engine Oil Pan for a Freightliner COLUMBIA

2006 Mercedes-Benz OM460LA Engine Oil Pan for a Freightliner COLUMBIA

Recently Updated
$424.95 USD
Mercedes OM460LA Oil Pan, Material : Aluminum, Sump: Front, Fill: Left Side, Dipstick: Left side, P/N A4600140002
ConditionUsed
Fits To Make(s)FREIGHTLINER
Fits To Model(s)COLUMBIA
Stock Number15415
MLS Number13908206
CategoryEngine Oil Pans
Last Updated1/24/2026
Location
Spokane Valley, WA, US
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Cummins ISX 450ST Camshaft for a Peterbilt 378

2004 Cummins ISX 450ST Camshaft for a Peterbilt 378

Newly Listed
$699.95 USD
Genuine Cummins ISX Injector Camshaft, Measurements: 43" Long and 3.25" Diameter, Take off Cummins ISX450ST Engine with 535,578 miles, Engine Serial: 14044779, Build Date: 11-23-2002,...
ConditionUsed
Fits To Make(s)PETERBILT
Fits To Model(s)378
Stock Number16306
MLS Number14104392
CategoryCamshafts
Last Updated1/22/2026
Location
Spokane Valley, WA, US
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Cummins ISX 450ST Camshaft for a Peterbilt 378

2004 Cummins ISX 450ST Camshaft for a Peterbilt 378

Newly Listed
$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,...
ConditionUsed
Fits To Make(s)PETERBILT
Fits To Model(s)378
Stock Number16305
MLS Number14104391
CategoryCamshafts
Last Updated1/22/2026
Location
Spokane Valley, WA, US
Sold By
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Cummins ISX 450ST Rocker Arm for a Peterbilt 378

2004 Cummins ISX 450ST Rocker Arm for a Peterbilt 378

Newly Listed
$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
ConditionUsed
Fits To Make(s)PETERBILT
Fits To Model(s)378
Stock Number16301
MLS Number14104387
CategoryRocker Arms
Last Updated1/22/2026
Location
Spokane Valley, WA, US
Sold By
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Cummins ISX 450ST Rocker Arm for a Peterbilt 378

2004 Cummins ISX 450ST Rocker Arm for a Peterbilt 378

Newly Listed
$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
ConditionUsed
Fits To Make(s)PETERBILT
Fits To Model(s)378
Stock Number16300
MLS Number14104386
CategoryRocker Arms
Last Updated1/22/2026
Location
Spokane Valley, WA, US
Sold By
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Cummins ISX 450ST Rocker Arm for a Peterbilt 378

2004 Cummins ISX 450ST Rocker Arm for a Peterbilt 378

Newly Listed
$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...
ConditionUsed
Fits To Make(s)PETERBILT
Fits To Model(s)378
Stock Number16292
MLS Number14102210
CategoryRocker Arms
Last Updated1/22/2026
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower
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Mercedes-Benz OM460LA Air Compressor for a Freightliner COLUMBIA

2006 Mercedes-Benz OM460LA Air Compressor for a Freightliner COLUMBIA

$599.95 USD
Mercedes OM460LA Air Compressor and Power Steering Pump, Air Compressor Casting # 30-020-001, Power Steering Pump P/N: 14-14599-001
ConditionUsed
Fits To Make(s)FREIGHTLINER
Fits To Model(s)COLUMBIA
Stock Number15750
MLS Number13980341
CategoryEngine Air Compressors
Last Updated1/17/2026
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower
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Cummins ISX 450ST Engine Block / Cylinder Block for a Peterbilt 378

2004 Cummins ISX 450ST Engine Block / Cylinder Block for a Peterbilt 378

$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...
ConditionUsed
Fits To Make(s)PETERBILT
Fits To Model(s)378
Stock Number16256
MLS Number14094713
CategoryEngine Blocks / Cylinder Blocks
Last Updated1/16/2026
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower
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Detroit DD13 Piston / Rod for a Western Star 4700

2023 Detroit DD13 Piston / Rod for a Western Star 4700

$749.95 USD
Detroit DD13 Camshaft housing, Take off 2023 Western Star 4700 with a DD13 Engine Truck, Almost new Truck that the cab caught on fire, low milage but exact mileage is unknown, Part...
ConditionUsed
Fits To Make(s)WESTERN STAR
Fits To Model(s)4700
Stock Number15829
MLS Number13987589
CategoryPistons & Rod Parts
Last Updated1/16/2026
Location
Spokane Valley, WA, US
Sold By
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Paccar PX-9 Camshaft for a Kenworth T370

2020 Paccar PX-9 Camshaft for a Kenworth T370

$499.95 USD
Cummins Camshaft with Camshaft Gear, Take off 2020 Kenworth T370 with a Paccar PX9 Engine Non wrecked Truck with less than 10,000 miles, Camshaft P/N: 5477588 / 5477586, Gear P/N:...
ConditionUsed
Fits To Make(s)KENWORTH
Fits To Model(s)T370
Stock Number15762
MLS Number13983380
CategoryCamshafts
Last Updated1/16/2026
Location
Spokane Valley, WA, US
Sold By
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Paccar MX-13 Valve Cover for a Peterbilt 579

2016 Paccar MX-13 Valve Cover for a Peterbilt 579

$85 USD
PACCAR valve cover for an MX13 pulled off of a 2016 Peterbilt 579 with just 31,197 miles, non-wrecked. P/N 2032956 (other numbers stamped 150300-4; 10.08.2015)
ConditionUsed
Fits To Make(s)PETERBILT
Fits To Model(s)579
Stock Number7418
MLS Number12372385
CategoryValve Covers
Last Updated1/16/2026
Location
Spokane Valley, WA, US
Sold By
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Paccar MX-13 Camshaft for a Kenworth T880

2020 Paccar MX-13 Camshaft for a Kenworth T880

$600 USD
Camshaft pulled from an MX13 engine out of a 2020 Kenworth T880 only run for 38,706 miles, non-wrecked. Part number 2204980 with the number 8C7842 also stamped
ConditionUsed
Fits To Make(s)KENWORTH
Fits To Model(s)T880
Stock Number2946
MLS Number12299451
CategoryCamshafts
Last Updated1/21/2026
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower
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NUMBERCall Seller
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