JJ Engine Parts
Cummins Diesel Engine Turbo Air Intake Elbow 3918350
$55.00Unit price /Unavailable- Sold out
- Sold out
- Sold out
JJ Engine Parts
Cummins N14 Celect Plus Engine Control Module ECM ECU 3408303
$2,000.00Unit price /Unavailable JJ Engine Parts
Paccar MX-13 Engine Control Module ECM ECU 2037394 2160700 2298833 2295122
$2,000.00Unit price /UnavailableJJ Engine Parts
Caterpillar C13 Diesel Engine Control Module ECM ECU 357-7442-00 289-1536
$2,000.00Unit price /UnavailableJJ Engine Parts
Mercedes Benz OM460LA Engine Control Module ECM ECU A0054462140
$800.00Unit price /Unavailable- Sold out
JJ Engine Parts
Ford Truck Intake Elbow Air Transfer Tube F3HT-6K854-BA
$99.99Unit price /UnavailableJJ Engine Parts
Paccar MX-13 Engine Control Module ECM ECU 2037394 2298833 2160700
$2,000.00Unit price /Unavailable- Sold out
JJ Engine Parts
Paccar MX-13 Diesel Engine Fuel Injector 2005596 1993389
$200.00Unit price /Unavailable JJ Engine Parts
Cummins ISL ISC OEM Nox Sensor 4326873 A045S170 4326873NX A2C95991800-01
$75.00Unit price /Unavailable- Sold out
JJ Engine Parts
Aisin Seiki Transmission for Isuzu 4HK1 5.2L Engine 8982060501 345020-31132
$1,750.00Unit price /Unavailable JJ Engine Parts
Horton Fan Clutch for Cummins ISL Engine 79A8618 988618 998618 601921
$300.00Unit price /Unavailable- Sold out
JJ Engine Parts
Horton Fan Clutch for Caterpillar C10 C12 Engine 79A9098 989098 05-25159-020
$350.00Unit price /Unavailable - Sold out
JJ Engine Parts
Horton Fan Clutch for Cummins ISL Engine 79A8243-2 98A8243-2 4075857C1
$550.00Unit price /Unavailable JJ Engine Parts
Caterpillar C9 OEM Engine Control Module ECM ECU 240-5302-02 348-2376-01 MTB
$1,000.00Unit price /Unavailable- Sold out
JJ Engine Parts
Cummins OEM N14 Celect Plus Engine Control Module ECM ECU 3096662 3408300
$2,000.00Unit price /Unavailable

Used Diesel Engine Parts for Trucks & Fleet Repairs
JJ Engine Parts supports fleet operators, repair shops, and independent diesel mechanics who need dependable used diesel engine parts. Whether you are sourcing Cummins or Detroit engine parts, or supporting other diesel platforms, selecting the correct component is critical.
That’s why we focus on parts that match OEM specifications and real-world applications. Our inventory is structured to help customers quickly find the right solution for rebuilds, replacements, and legacy engine repairs.
Used Engine Components Available
Our collection includes used truck engine parts for sale that are commonly required in diesel repair and maintenance. Availability changes based on inventory, but supported components often include:
- Used ECM ECU for sale (OEM and inspected used options)
- Used turbochargers for sale
- Cooling system components
- Affordable used engine parts for budget-conscious repairs
- Used OEM components for major diesel platforms, including Detroit and Cummins engine parts
Each listing is reviewed for compatibility with specific engine models whenever possible and verified prior to shipment.

Nationwide Shipping & Fitment Assistance at JJ Engine Parts
We ship used diesel engine parts across the United States, depending on part size and destination. JJ Engine Parts regularly supports major diesel platforms, including Cummins, Detroit Diesel, Caterpillar, Volvo, and PACCAR engines. Browse our selection of used engine parts, or contact our team to help you source the right component for your diesel truck.
Frequently Asked Questions About Used Engine Parts
How do I find the correct used engine part?
How do I find the correct used engine part?
Fitment depends on your engine model and serial number. Contact us for assistance before ordering.
Are used ECM or ECU units available?
Are used ECM or ECU units available?
Yes. Used ECM ECU units are available in OEM and inspected options when in stock.
Do you sell used turbochargers?
Do you sell used turbochargers?
Yes. Used turbochargers are offered based on availability.
Are used OEM engine components reliable?
Are used OEM engine components reliable?
When properly inspected and matched to the correct engine, used OEM components can provide dependable performance.
Do you ship used truck engine parts nationwide?
Do you ship used truck engine parts nationwide?
Yes, we ship used engine parts across the United States, depending on part size and destination.