Used Cummins Engine Parts For Sale

Cummins ISX12 Engine Control Module (ECM)

Newly Listed

$950 USD

USED CUMMINS ISX ENGINE ECM 5317106

Condition	Used
Fits To Make(s)	CUMMINS
Fits To Model(s)	ISX12
Stock Number	2608078
MLS Number	14142347
Category	Engine Control Modules (ECM)
Last Updated	2/13/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

EGR Cooler for a Cummins ISX

Recently Updated

$265.44 USD

EGR COOLER

Quantity	7
Condition	Used
Fits To Make(s)	CUMMINS
Fits To Model(s)	ISX
Stock Number	ISX15-EGRCLR-368956
MLS Number	13243387
Category	EGR Coolers
Last Updated	2/13/2026
Location	Lansing, IL, US
Sold By	LKQ Heavy Truck

Cummins ISX12 EGR Cooler

Recently Updated

$250 USD

EGR COOLER

Quantity	4
Condition	Used
Fits To Make(s)	CUMMINS
Fits To Model(s)	ISX12
Stock Number	ISX12-EGRCOOLER-N/A
MLS Number	14116129
Category	EGR Coolers
Last Updated	2/13/2026
Location	Lansing, IL, US
Sold By	LKQ Heavy Truck

Cummins ISX15 EGR Cooler

Recently Updated

$250 USD

CUMMINS ISX15 EGR COOLER

Quantity	33
Condition	Used
Fits To Make(s)	CUMMINS
Fits To Model(s)	ISX15
Stock Number	ISX15-EGRCOOLER
MLS Number	13861723
Category	EGR Coolers
Last Updated	2/13/2026
Location	Lansing, IL, US
Sold By	LKQ Heavy Truck

Cummins ISX12 G Engine Part

Newly Listed

$100 USD

Good used Exhaust recirculation cooler support from a Cummins ISX12 G engine. The Exhaust recirculation cooler support has been visually inspected and is in good condition. The support has...

Condition	Used
Part Number	P-1014313
Stock Number	P-1014313
MLS Number	14142249
Category	Engine Miscellaneous Parts
Last Updated	2/13/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Cummins ISX12 G Cam Follower

Newly Listed

$150 USD

Good used Cam fallowers and shaft from a Cummins ISX12 G engine. The Cam fallowers and shaft has been visually inspected and is in good condition. The Cam fallowers and shaft has no visible...

Condition	Used
Part Number	P-1014312
Stock Number	P-1014312
MLS Number	14142248
Category	Cam Followers
Last Updated	2/13/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

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Cummins ISX Engine Part

Newly Listed

$200 USD

Cummins Engine Accessory Bracket *Fits Cummins ISX ISX15 Models Part# 3683330, Serial#: N/A

Condition	Used
Part Number	3683330
Stock Number	976516
MLS Number	14142104
Category	Engine Miscellaneous Parts
Last Updated	2/13/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Cummins ISX Engine Part

Newly Listed

$200 USD

Cummins Engine Accessory Bracket *Fits Cummins ISX ISX15 Models Part# 3104343, Serial#: N/A

Condition	Used
Part Number	3104343
Stock Number	976515
MLS Number	14142103
Category	Engine Miscellaneous Parts
Last Updated	2/13/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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New Aftermarket Cummins ISX15 150MM APR Inframe Overhaul Kit

Recently Updated

$3,995 USD

New Aftermarket ISX15 150MM APR Inframe Overhaul Kit, Type: In-Frame Overhaul Kit

Quantity	3
Condition	Used
Part Number	5579460
Stock Number	537-10856
MLS Number	14093404
Category	Engine Overhaul Kits
Last Updated	2/13/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Aftermarket Cummins ISX Aluminum Oil Pump

Newly Listed

$570.57 USD

New Aftermarket ISX Aluminum Oil Pump, Type: Aluminum Oil Pump

Quantity	5
Condition	Used
Part Number	3686938
Stock Number	551-10489
MLS Number	14141829
Category	Engine Oil Pumps
Last Updated	2/13/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2017 Cummins ISX15 Crankshaft for a Kenworth T680

Recently Updated

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Cummins ISX15 Crankshaft, STD/STD, Visually Inspected, Has Rust Pitting On Journals. P/N 4319022 (3681910, 4925761, 3691443, 5440757) Engine S/N 79939233, CPL 4586.

Condition	Used
Fits To Make(s)	KENWORTH
Fits To Model(s)	T680
Stock Number	2017-24
MLS Number	14122300
Category	Crankshafts
Last Updated	2/12/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2017 Cummins ISX15 Engine Block / Cylinder Block for a Kenworth T680

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Cummins ISX15 Cylinder Block, Visually Inspected. P/N 4298515. Engine S/N 79939233, CPL 4586.

Condition	Used
Fits To Make(s)	KENWORTH
Fits To Model(s)	T680
Stock Number	2017-23
MLS Number	14122297
Category	Engine Blocks / Cylinder Blocks
Last Updated	2/12/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Cummins ISX12 G Engine Part

Newly Listed

$75 USD

Good used Exhaust recirculation valve bracket from a Cummins ISX12 G engine. The Exhaust recirculation valve bracket has been visually inspected and is in good condition. The bracket has...

Condition	Used
Part Number	P-1014315
Stock Number	P-1014315
MLS Number	14139888
Category	Engine Miscellaneous Parts
Last Updated	2/12/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Cummins ISX12 G Engine Part

Newly Listed

$75 USD

Good used Coil with ignition coil extension from a Cummins ISX12 G engine. The Coil with coil extension has been visually inspected and is in good condition. The Coil with ignition coil...

Condition	Used
Part Number	P-1014314
Stock Number	P-1014314
MLS Number	14139885
Category	Engine Miscellaneous Parts
Last Updated	2/12/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Cummins ISX12 G Engine Oil Pan

Newly Listed

$100 USD

Good used Oil pan from a Cummins ISX/12 G engine. The Oil pan has been visually inspected and is in good condition. The Oil pan has corrosion and rust, please refer to photos provided. The...

Condition	Used
Part Number	P-1014311
Stock Number	P-1014311
MLS Number	14139883
Category	Engine Oil Pans
Last Updated	2/12/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

2004 Cummins ISX 450ST Camshaft for a Peterbilt 378

Recently Updated

$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,...

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	16306
MLS Number	14104392
Category	Camshafts
Last Updated	2/12/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

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,...

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	16305
MLS Number	14104391
Category	Camshafts
Last Updated	2/12/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

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

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	16301
MLS Number	14104387
Category	Rocker Arms
Last Updated	2/12/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

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

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	16300
MLS Number	14104386
Category	Rocker Arms
Last Updated	2/12/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

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...

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	16292
MLS Number	14102210
Category	Rocker Arms
Last Updated	2/12/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

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

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	16266
MLS Number	14094734
Category	Engine Oil Pumps
Last Updated	2/12/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

2004 Cummins ISX 450ST Valve Cover for a Peterbilt 378

Recently Updated

$69.95 USD

Cummins ISX Valve Cover, P/N: 4059375

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	16257
MLS Number	14094716
Category	Valve Covers
Last Updated	2/12/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

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...

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	16256
MLS Number	14094713
Category	Engine Blocks / Cylinder Blocks
Last Updated	2/12/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

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Cummins X15 Crankshaft

Newly Listed

$2,600 USD

Nous livrons partout au Canada et aux États-Unis. We ship anywhere in Canada USA. - Cummins X15 - Crankshaft - Stock: 1444CR - P/N: 3691444, Serial#: Other

Condition	Used
Part Number	3691444
Stock Number	1444CR
MLS Number	14139662
Category	Crankshafts
Last Updated	2/12/2026
Location	Beauceville, QC, Canada
Sold By	Camions Gilbert