JJ Engine Parts
Caterpillar C15 ACERT Engine Control Module ECM ECU 262-2881-01 248-5540
$2,000.00Unit price /UnavailableJJ Engine Parts
TRW Power Steering Pump 14-14942-000 PS221616L10301 P4092580666
$250.00Unit price /UnavailableJJ Engine Parts
Cummins ISX Engine Control Module ECM ECU 3684275 3684276 CM871
$2,000.00Unit price /Unavailable- Sold out
JJ Engine Parts
Bendix Fan Clutch off Caterpillar Engine 104759 104760 KMN20104760X
$550.00Unit price /Unavailable - Sold out
JJ Engine Parts
BorgWarner Fan Clutch for Cummins N14 Engine 1090-09650-01 42322
$350.00Unit price /Unavailable JJ Engine Parts
Horton Fan Clutch for Paccar MX-13 79A8138 98A8138 F17-6018M08 F17-6015M21
$450.00Unit price /Unavailable- Sold out
JJ Engine Parts
Horton Fan Clutch for Paccar MX-13 Engine 79A9761 98A9761 F17-6015M05 010024224
$550.00Unit price /Unavailable - Sold out
JJ Engine Parts
Horton Fan Clutch for Mack MP8 Volvo D13 79A9644-2 98A9644-2 79A9552-2 99A9552-2
$300.00Unit price /Unavailable - Sold out
JJ Engine Parts
Horton Fan Clutch for Caterpillar C7 C9 Engine 79A9291 989291 799291 999291
$300.00Unit price /Unavailable JJ Engine Parts
Horton Fan Clutch for Caterpillar C11 C13 Engine 999311 989311
$250.00Unit price /UnavailableJJ Engine Parts
Detroit DD15 OEM Diesel Engine Control Module ECM ECM A0014465835
$800.00Unit price /Unavailable- Sold out
JJ Engine Parts
International DT570 Control Module ECM 1845117C5 1842443C97 1839368C2
$800.00Unit price /Unavailable JJ Engine Parts
Mercedes Benz OM460LA Diesel Engine Control Module ECM ECU 0014466440
$550.00Unit price /Unavailable- Sold out
- Sold out
JJ Engine Parts
Caterpillar C11 KCA Control Module ECM ECU 256-1159-00 225-3159 223-1236
$1,000.00Unit price /Unavailable - Sold out
JJ Engine Parts
Caterpillar C11 C13 Diesel Engine Air Intake Elbow 243-2508
$110.00Unit price /Unavailable - Sold out
JJ Engine Parts
Caterpillar C11 C13 Diesel Engine Air Intake Elbow 243-2515
$110.00Unit 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.