- Sold out
JJ Engine Parts
Paccar MX-13 Diesel Engine Water Coolant Transfer Tube 1923967
$99.99Unit price /Unavailable JJ Engine Parts
Paccar MX-13 Diesel engine Air Transfer Tube 1910628
$75.00Unit price /UnavailableJJ Engine Parts
BorgWarner Fan Clutch for Mack and Volvo 1090-09600-01B
$250.00Unit price /UnavailableJJ Engine Parts
Mack E7 AMI AI OEM Diesel Engine Cam Follower Cam Roller Lifter
$40.00Unit price /Unavailable- Sold out
JJ Engine Parts
International DT466E Engine Exhaust Manifold 1814149C2 181561C3
$250.00Unit price /Unavailable - Sold out
JJ Engine Parts
International DT466E Diesel Engine Oil and Fuel Rail
$198.00Unit price /Unavailable JJ Engine Parts
Detroit DD15 OEM Diesel Engine Control Module ECM ECM A0014465835
$800.00Unit price /Unavailable- Sold out
JJ Engine Parts
Horton Fan Clutch for Caterpillar C7 Engine 79A9457 989457 999457
$350.00Unit price /Unavailable - Sold out
JJ Engine Parts
International DT466 DT408P DT530E Garrett GT3782 Turbo 1825632C91
$550.00Unit price /Unavailable - Sold out
JJ Engine Parts
Paccar MX-13 Diesel Engine Holset HE500VG Turbocharger 6500271
$1,500.00Unit price /Unavailable - Sold out
JJ Engine Parts
Caterpillar C7 ACERT Diesel Engine Control Module ECM ECU 240-5302-01
$800.00Unit price /Unavailable JJ Engine Parts
Volvo Idler Tensioner with Idler Pulley 178070 20582558
$80.00Unit price /UnavailableJJ Engine Parts
Detroit DD13 Diesel Engine Control Module ECM ECU RA0024460135
$800.00Unit price /UnavailableJJ Engine Parts
Maxxforce 13 OEM Diesel Engine Control Module ECM ECU 3007009C2
$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.