JJ Engine Parts
Caterpillar 3456 Engine Control Module ECU ECU 9BZ 212-9449 235-1571 176-5782
$2,000.00Unit price /UnavailableJJ Engine Parts
Cummins X15 Diesel Engine Control Module ECM ECU CM2350 4384413 4384412
$1,500.00Unit price /UnavailableJJ Engine Parts
Cummins ISL9 Control Module ECM ECU CM2350 5317106 5317107 5290170 5290171
$1,000.00Unit price /UnavailableJJ Engine Parts
HINO J08E OEM Diesel Engine Control Module ECM ECU 89661-E0041 112500-1001
$2,000.00Unit price /UnavailableJJ Engine Parts
Mack AC OEM Diesel Engine Control Module ECM ECU 12MS532M 0281020045
$1,200.00Unit price /UnavailableJJ Engine Parts
Cummins ISM OEM Engine Control Module ECM ECU 3103533 CM875
$1,500.00Unit price /UnavailableJJ Engine Parts
Paccar MX-13 Engine Control Module ECM ECU 2037394 2298833 2160700 2295122
$2,000.00Unit price /UnavailableJJ Engine Parts
Detroit DD15 Diesel Engine Control Module ECM ECU A0014465835
$800.00Unit price /UnavailableJJ Engine Parts
Cummins QSX15 OEM Diesel Engine Control Module 3408501 3681405 CM570
$2,000.00Unit price /UnavailableJJ Engine Parts
International Maxxforce 9 EPA13 Engine Control Module ECM ECU 1883086C93
$0.00Unit price /UnavailableJJ Engine Parts
Horton Fan Clutch for Caterpillar C11 C13 Engine 79A9298 79A5298 989298 999298
$350.00Unit price /UnavailableJJ Engine Parts
Hino BEHR Fan Clutch S2576001 16250-E0421 V8756001 16250-E0421 703704AT
$250.00Unit price /Unavailable- Sold out
JJ Engine Parts
Hino BEHR Fan Clutch R3265003 16250-E0421 V8756001 16250-E0421 703704AT
$250.00Unit price /Unavailable - Sold out
JJ Engine Parts
Doosan MID-Range Control Panel Assembly 22058325 22058325 111-201
$1,000.00Unit price /Unavailable JJ Engine Parts
Horton Fan Clutch for Cummins ISC ISL Engine 79A8652 98A8652 602073 Freightliner
$300.00Unit price /UnavailableJJ Engine Parts
WABCO Air Brake Compressor for Cummins ISM Engine 3104324 4318214
$650.00Unit price /UnavailableJJ Engine Parts
Caterpillar OEM Rear Engine Mount K159-957B 14264AA
$130.00Unit price /UnavailableJJ Engine Parts
Caterpillar OEM Rear Engine Mount K159-957B 14264AA
$130.00Unit 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.