- Sold out
JJ Engine Parts
Mack E7 AMI AI Diesel Engine Oil Filter Base 142GB519M
$550.00Unit price /Unavailable - Sold out
JJ Engine Parts
HINO OEM Turbocharger Control Unit 773848-26 W4T94175 E0012
$199.99Unit price /Unavailable - Sold out
- Sold out
JJ Engine Parts
Mack AMI Diesel Engine Control Module ECM ECU 12MS530M
$600.00Unit price /Unavailable JJ Engine Parts
Mercedes Benz Fuel Injection Pump A0280746902 90802830905122
$200.00Unit price /Unavailable- Sold out
- Sold out
JJ Engine Parts
Horton Fan Clutch for Caterpillar C7 ACERT Engine 79A9291 989291 799291 999291
$350.00Unit price /Unavailable - Sold out
JJ Engine Parts
Caterpillar C15 ACERT Engine Control Module ECM ECU 262-2881-00 246-9347 226-7469 478-7931 20R-8180
$2,000.00Unit price /Unavailable - Sold out
JJ Engine Parts
BorgWarner Fan Clutch for Volvo Mack Engine 1090-09650-01 21925113
$300.00Unit price /Unavailable - Sold out
JJ Engine Parts
Denso OEM Engine Control Module 898275 9743 983172190 275700-4923 4HK1
$1,000.00Unit price /Unavailable - Sold out
JJ Engine Parts
International DT466E DT530E Diesel Engine Front Timing Cover 1820465C4 1827851C1
$500.00Unit price /Unavailable - Sold out
JJ Engine Parts
Horton OEM Fan Clutch for Detroit DD8 DD5 Engine 99A4734 98A4734 602250
$850.00Unit price /Unavailable - Sold out
JJ Engine Parts
Cummins OEM ISB Diesel Engine Control Module ECM ECU 3954430 CM850 EPA04
$750.00Unit price /Unavailable - Sold out
JJ Engine Parts
BorgWarner OEM Fan Clutch for Caterpillar C11 C13 Engine 1090-09600-01B 44219
$250.00Unit price /Unavailable - Sold out
JJ Engine Parts
Detroit DD13 OEM Diesel Engine Control Module ECM ECU A0004466035
$800.00Unit price /Unavailable - Sold out
JJ Engine Parts
Mercedes Benz OM926LA OEM Diesel Engine Control Module ECU ECM A0044466740
$800.00Unit price /Unavailable - Sold out
JJ Engine Parts
Mack AMI OEM Diesel Engine Control Module ECM ECU 12MS530M
$600.00Unit price /Unavailable - Sold out
JJ Engine Parts
OEM International Maxxforce 13 Diesel Engine Oil Cooler Housing 3007538C93
$550.00Unit 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.