- Sold out
- Sold out
JJ Engine Parts
Horton Fan Clutch for Paccar MX-13 Engine 79A8138 98A8138 F17-6018M08
$450.00Unit price /Unavailable JJ Engine Parts
Caterpillar C11 KCA Control Module ECM ECU 10R4094-08 225-3159
$1,000.00Unit price /Unavailable- Sold out
JJ Engine Parts
Horton BorgWarner Fan Clutch for Detroit DD13 DD15 Engine 1090-09600-01B 9011923
$199.99Unit price /Unavailable JJ Engine Parts
BorgWarner Fan Clutch for Mack Volvo Engine 1090-09650-01B 10023689
$300.00Unit price /Unavailable- Sold out
JJ Engine Parts
Detroit DD13 Diesel Engine Control Module ECM ECU A0074463440
$700.00Unit price /Unavailable JJ Engine Parts
Horton Fan Clutch for a Cummins ISC ISL Engine 79A8652 98A8652
$300.00Unit price /Unavailable- Sold out
JJ Engine Parts
BorgWarner Fan Clutch off Cummins Big Cam Engine 1090-08000-01
$450.00Unit price /Unavailable - Sold out
JJ Engine Parts
BorgWarner Fan Clutch for Paccar MX-13 Diesel Engine 1090-09750-01 010024558
$300.00Unit price /Unavailable - Sold out
JJ Engine Parts
Horton Fan Clutch for Paccar MX-13 Engine 79A9762 98A9762 F17-6015M03 010024553
$550.00Unit price /Unavailable JJ Engine Parts
Horton Fan Clutch for Paccar MX-13 Engine 98A8138 79A8138 F17-6018M08
$450.00Unit price /Unavailable- Sold out
JJ Engine Parts
Horton Fan Clutch for Cummins ISL ISC Engine 988162 798162 F17-6017M39
$450.00Unit price /Unavailable - Sold out
JJ Engine Parts
Cummins ISB QSB6.7L Diesel Engine Intake Manifold Cover 4940345 5335502
$140.00Unit price /Unavailable JJ Engine Parts
BorgWarner Fan Clutch Base with Pulley 010023588 010024015
$150.00Unit price /UnavailableJJ Engine Parts
Caterpillar Diesel Engine Intake Manifold 124-2708-01
$60.00Unit price /UnavailableJJ Engine Parts
2011 Detroit DD13 Diesel Engine Control Module ECM ECU A0004466035
$800.00Unit price /UnavailableJJ Engine Parts
Cummins ISL9 OEM Engine Control Module ECM ECU 5317106 5290170 5290171 5317107
$1,000.00Unit 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.