13 speed versus 18 speed comes down to terrain, weight,...
Heavy-Duty Diesel Engines
Run-Tested Diesel Engines. Shipped Nationwide.
Heavy-duty diesel engines for commercial trucks — backed by real engine information, knowledgeable support and nationwide freight shipping.
Detroit • Cummins • PACCAR • Caterpillar • Volvo • Mack
CALL 877-DEN-KING
Heavy-Duty Diesel Engines
Shop Diesel Engines by Brand
Find replacement engines for today's most common heavy-duty commercial truck applications.
Engine Matching Assistance
Not Sure Which Engine You Need?
Don't guess. Let us help verify it.
Engine compatibility can depend on more than the model printed on the valve cover. Send us your truck and engine information and our team can help identify the replacement configuration you need.
- Truck VIN
- Engine serial number
- Year, make and model
- Current engine model
- Your contact information
Prefer to call?
877-DEN-KING
Buyer Confidence
Don't Take Our Word for It. Verify the Engine.
A diesel engine can cost thousands of dollars. You deserve more than a generic description.
01
Verify Identity
Confirm available engine model, serial number, horsepower, configuration and identifying information.
02
Review Condition
Review available photographs, specifications, testing details and other condition information.
03
Verify Compatibility
Send your VIN and current engine information so our team can assist with matching.
04
Review the Terms
Understand applicable warranty, core, freight and purchase terms before ordering.
Heavy-Duty Components
More Than Diesel Engines
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Transmissions
Manual and automated heavy-duty truck transmissions.
Shop Transmissions → ◉Differentials
Heavy-duty rear differentials and axle components.
Shop Differentials → ▣ECM / ECU
Replacement diesel engine control modules.
Shop ECMs → ◆Diesel Parts
Selected heavy-duty engine components and related parts.
Shop Parts →Freight Delivery
Nationwide Diesel Engine Shipping
Need an engine delivered to your repair facility, fleet location or commercial address? Our team can help coordinate freight shipping for heavy-duty diesel engines and drivetrain components.
- Commercial delivery addresses
- Repair shops and fleet facilities
- Liftgate requirements
- Forklift / dock availability
- Freight quote assistance
SHIPPED
NATIONWIDE
Heavy-Duty Diesel Engines & Components
Diesel Engine King
Buying a Replacement Engine Is a Big Decision
Our goal is to make the process easier to understand with useful engine information, fitment assistance and straightforward purchase terms.
Engine Information
Review available identifying information and specifications.
Fitment Support
Send us your VIN and current engine details for matching assistance.
Condition Evidence
Review available photographs, testing information and video.
Clear Terms
Review applicable warranty, freight, core and purchase terms.
Questions
Frequently Asked Questions
Do you ship diesel engines nationwide? +
Freight shipping is available for diesel engines and other heavy-duty components. Shipping requirements and costs depend on the item and destination.
How do I know which engine fits my truck? +
Start with your VIN and current engine information. Engine model alone may not establish compatibility. Send us your information so our team can assist with engine matching.
Are your engines tested? +
Testing and condition information can vary by engine. Check the individual product listing or contact us for the information available for the specific inventory unit.
Do your engines include a warranty? +
Warranty coverage can vary by product. Review the written warranty terms associated with the specific engine before purchasing.
Can you help if I don't see my engine online? +
Yes. Send us your VIN, engine model, serial number and contact information so we can help identify what you need.
Need an Engine?
Your Truck Needs an Engine.
Let's Find the Right One.
Send us your truck and engine information and let Diesel Engine King help identify the engine you need.
877-DEN-KINGEngines
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2018 Detroit DD15 Engine for Sale
Regular price $13,000.00Incl. tax: $13,000.00 -
2019 Paccar MX13 Engine for Sale
Regular price $16,000.00Incl. tax: $16,000.00 -
2015 Detroit Diesel DD15 Engine for Sale
Regular price $9,500.00Incl. tax: $9,500.00 -
2014 Detroit DD13 Engine Assembly 471927
Regular price $12,500.00Incl. tax: $12,500.00
DieselEngineKing.com
Here at DieselEngineKing.com and Nationwide Diesel Engine Sales,we are the leader in quality used diesel engines and heavy truck parts. We stock engines and parts from Cummins, Cat, Detroit, Paccar, International, Hino and Volvo. Alongside our quality used parts, we also have a wide range of new parts to get you back on the road. Whether you stop in one of our retail locations, or order online, we can get you the parts you need to get the job done quickly.
Frequently Asked Questions
Where can I find wholesale diesel engine components in the Chicago metro?
Explore our bulk inventory of diesel engine parts at DieselEngineKing. We offer wholesale aftermarket and reman components that ship to the Chicago metro, ideal for fleet service or large-scale repairs. Reliable sourcing straight from our stock.
What are the essential diesel engine parts and components?
Explore key diesel engine components like cylinder blocks, pistons, rings, crankshafts, connecting rods, and sleeves. These heavy-duty parts form the core structure of rebuilt or high-performance engines and are all available through DieselEngineKing.
What’s included in a diesel engine replacement kit?
Explore comprehensive diesel engine replacement kits at DieselEngineKing, which include pistons, rings, bearings, seals, gaskets, and liners—everything needed to rebuild or replace a worn engine block in heavy-duty trucks.
Can I buy diesel engine replacement kits online?
Explore our user-friendly online store offering diesel engine replacement kits. Featuring everything from aftermarket pistons to gaskets and bearings, kits on dieselengineking.com are ready to ship directly to the Chicago metro.
What kind of aftermarket diesel engine parts do you supply?
Explore our supply of aftermarket diesel engine parts at DieselEngineKing. We stock injectors, turbochargers, ECMs, rebuild kits, and other components compatible with major engine brands for heavy-duty applications.
Are heavy-duty diesel engine parts online as reliable as OEM?
Explore the heavy-duty diesel engine parts available online via DieselEngineKing. Many aftermarket and reman components meet or exceed OEM quality—built for durability under commercial use and backed by our tested inventory.
How can diesel engine performance upgrade parts help me?
Explore performance upgrade parts at DieselEngineKing—such as high-flow injectors and reman ECMs—which enhance power, torque, efficiency, and longevity in heavy-duty diesel engines. Precision-engineered replacements build better performance.
Do you supply wholesale diesel engine components for fleets?
Explore our wholesale options for diesel engine components. DieselEngineKing supports fleets and commercial operations with bulk parts orders—rebuilt blocks, injector sets, ECMs, and more—ready for large-scale shipping to the Chicago metro.
What steps are involved in replacing a diesel engine?
Explore our detailed blog guide on how to replace a diesel engine, outlining engine removal, component prep, hoisting procedures, and installation tips—helping users complete replacement safely and effectively for Detroit, Cummins, or Cat motors.
Why should I consider aftermarket diesel components for engine rebuilds?
Explore the benefits of aftermarket diesel components in rebuilds: cost savings, strong performance, and availability. DieselEngineKing filters parts for reliability and value, offering both OEM and performance-oriented options for heavy-duty use.