D12 Engine
D12 Engine
D12 Engine
Top D12 Engine
D12 Engine parts deliver high performance and durability under heavy loads. Precision-engineered for seamless integration, each component—from cylinder block, head, crankshaft to pistons, rods, turbocharger—ensures efficient combustion and reliable power delivery in all conditions. Manufactured from materials like high-strength alloy cast iron, forged steel, and advanced aluminum alloys, these parts maintain integrity under extreme heat, high compression, and continuous use. This ensures reliable power, extends engine life, reduces maintenance, and guarantees safe, efficient performance throughout the service cycle.
As a leading supplier of Sinotruk Howo genuine and replacement engines in China, we specialize in comprehensive heavy-duty truck powertrain components, particularly high-performance and durable D12 Engine assemblies. With over 10 years of industry expertise, we can recommend the most suitable engine configuration and performance-matched components for your Howo trucks based on your vehicle model, application, and operating conditions. We are committed to providing customers with the most competitive prices and OE-equivalent quality, while maintaining a comprehensive inventory of D12 long and short blocks, cylinder heads, piston ring sets, complete gasket kits, and fuel injection components to ensure fast delivery. For more information on our full range of D12 Engine solutions and heavy-duty powertrain components, please contact info@deruna.com.
D12.42-SPT Six-Piece Set
D1242-xlb Engine Repair Kit
VG1246060002 Drive Belt Tensioner
VG1246060057 Drive Belt Tensioner
VG1246060024 Thermostat
VG1246090017 D12 Generator
VG1246060004 Drive Belt Tensioner
Common Models of D12 Engine
Cylinder Block and Crankshaft Connecting Rod Mechanism
Cylinder Head and Valve Train System
Fuel System (Electronic Common Rail, Euro III and above)
Turbocharging and Intake/Exhaust Systems
Why Choose Our D12 Engine?
Factory - Direct Prices
Direct manufacturer partnerships guarantee best prices on D12 Engine assemblies and components. Eliminating middlemen, we pass savings to you—providing durable, high-performance power units that maximize vehicle performance and longevity.
Customization Options
We offer customized D12 Engine solutions: optimized power ratings for specific hauling requirements, enhanced fuel system configurations for maximum efficiency, and reinforced internal components for severe duty applications—tailored to your fleet's operational demands.
Quality Assurance
Our D12 Engine assemblies come from reliable manufacturers under strict quality control. We thoroughly inspect each power unit to ensure high standards of assembly precision, power output, combustion efficiency, and long-term durability.
Small Order Acceptance
No order is too small. Whether you need a single D12 Engine assembly or a bulk purchase for an entire fleet, we are happy to assist. Our readiness to handle individual requests makes us the reliable source for every truck owner and small-scale operator.
Didn'T Find Your Truck Model?
If you have any problems or questions, please get in touch with us, we will provide you with the best service.
Custom Truck Parts And Packaging Design
Display your products in exceptional custom parts packaging boxes. Have a unique box idea? Our custom packaging experts will guide you every step of the way to find your custom parts packaging box.
TYPE OF TRANSPORTATION
As the most professional supplier of truck parts in China, We offer three common shipping methods: air freight, sea freight, and truck transportation.
Truck Transport
- For domestic or regional shipments, truck transportation stands out as a convenient and cost-effective choice for delivering truck parts.
Air Freight
- For urgent orders, we utilize airfreight as a means of shipping parts to ensure that they arrive in the shortest possible time.
Sea Freight
- When it comes to large or non-urgent orders, sea freight proves to be an economical and viable option for shipping truck parts.
Frequently Asked Questions
The D12 engine is primarily designed for heavy-duty Howo trucks, including popular models like the Howo 371, 375, and 420 series. It is commonly found in tractors, dump trucks, and cargo trucks. Please contact us with your specific vehicle model and year to confirm compatibility.
As a trusted supplier, we provide both OE-quality replacement engines and fully guaranteed remanufactured units. We recommend purchasing complete assemblies with serial numbers and original packaging. We can also provide documentation and photos upon request to verify the product's authenticity and condition before shipment.
We offer a comprehensive warranty on all D12 long blocks, short blocks, and major components. The standard warranty covers manufacturing defects in materials and workmanship for a specified period or mileage. Contact our sales team for detailed warranty terms specific to the part you are purchasing.
Yes, we can provide customized D12 engine solutions. This includes optimized power ratings for specific hauling needs, enhanced fuel system configurations for better efficiency, and reinforced internal components for severe-duty applications. Please share your operational requirements, and we will recommend a tailored solution.
What Our Client Says
Deruna Heavy Truck Parts company is a reliable and professional company. Not only on exporting but also their professional team service. Their team gave us so many suggestions for our project. We are really satisfied with their awesome service and best products quality.
"I've been using truck parts from this supplier for over a year now, and I can confidently say they offer excellent quality. The parts are durable and reliable, which is crucial for our fleet's performance. What stands out the most is their customer service—they're always responsive and knowledgeable, making the purchasing process smooth and hassle-free. Highly recommend them if you're looking for top-notch truck parts."
Haris Chambers
“We have relied on this supplier to provide us with truck parts for over three years and I can confidently attest to the exceptional quality they provide. The durability and reliability of their products is second to none, which is critical to the optimal performance of our fleet. What really sets them apart is their excellent customer service - always responding quickly and ensuring a seamless, stress-free buying experience. I wholeheartedly recommend this supplier for anyone looking for quality truck parts.“
Bartley
"The quality of the parts exceeded my expectations—they were robust and well-crafted. The brake pads performed flawlessly, providing smooth stops even under heavy loads. The air filters fit perfectly and improved engine performance noticeably. Moreover, the customer service was exceptional. They were knowledgeable and helped me choose the right parts for my truck. Overall, I'm highly satisfied and would recommend their products to any truck owner looking for reliable parts."
Mark Grant PROJECT MANAGER