JJ Engine Parts
Cummins ISX12 OEM Engine Control Module ECM ECU 5290170 5290171 CM2350
$950.00Unit price /UnavailableJJ Engine Parts
Mercedes Benz OM460LA OEM Engine Control Module ECM ECU A0054462140
$800.00Unit price /UnavailableJJ Engine Parts
Mack AMI OEM Diesel Engine Control Module ECM ECU 12MS530M
$600.00Unit price /UnavailableJJ Engine Parts
Mack E7 OEM Diesel Engine Control Module ECM ECU 12MS517M
$1,000.00Unit price /UnavailableJJ Engine Parts
Paccar MX-13 OEM Control Module ECM ECU 1877245 2015228 2109556 2013285 2298831
$2,000.00Unit price /UnavailableJJ Engine Parts
Horton Fan Clutch off International Maxxforce 15 Engine 994636 602023
$350.00Unit price /UnavailableJJ Engine Parts
Ixetic Power Steering Pump off International Maxxforce 13 Engine 3623641C94
$250.00Unit price /Unavailable- Sold out
JJ Engine Parts
2018 Paccar MX-13 Engine Control Module ECM ECU 2037394 2298833 2160700 2295122
$0.00Unit price /UnavailableJJ Engine Parts
Detroit DD15 Diesel Engine Control Module ECM ECU RA0064463540
$800.00Unit price /UnavailableJJ Engine Parts
Cummins N14 Celect Plus OEM Engine Control Module ECM ECU 3408303
$1,800.00Unit price /UnavailableJJ Engine Parts
Japer Allison 2200RDS Automatic Transmission 1390316
$2,500.00Unit price /Unavailable- Sold out
JJ Engine Parts
Horton Fan Clutch for Paccar MX-13 Engine 99A8138 98A8138 F17-6018M08
$450.00Unit price /Unavailable - Sold out
JJ Engine Parts
Horton Fan Clutch for Paccar MX-13 Engine 99A9590 98A9590 010024224 F17-6010M16
$550.00Unit price /Unavailable - Sold out
JJ Engine Parts
Horton Fan Clutch for Cummins ISC ISL Engine 79A8652 98A8652
$300.00Unit price /Unavailable JJ Engine Parts
Detroit OEM Continental CPC Chassis Control Module A0024467902 A2C53332612
$0.00Unit price /UnavailableJJ Engine Parts
Volvo D13 Diesel Engine Control Module ECM ECU 22581042
$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.