Popular Engine Components
Focusing on the R&D and manufacturing of high-performance automotive engines, we provide OEM solutions for vehicle manufacturers, Tier 1 suppliers and the aftermarket.
We serve the global market, and our engines mainly target European and American cars, Japanese and Korean cars, German cars, American cars, and Chinese brand cars.
We specialize in providing 2.8L-12L diesel engines suitable for heavy trucks and construction machinery, including FORD、ISUZU、JMC、FOTON、CUMMNS、 BENZ、MAN、VOLVO 、PERKINS、WEICHAI、DEUTZ、 CAT、IVECO、DAF.
Made of high-strength alloy cast iron/aluminum alloy, it is precision-cast and CNC-processed to ensure tightness and heat dissipation efficiency. It meets Euro VI/China VI emission standards.
The modular lightweight structure reduces weight by 15% and maintenance costs by 20% compared to traditional cylinder blocks. It is suitable for turbocharged/hybrid systems.
Provide high-precision, long-life OEM parts solutions for vehicle manufacturers, maintenance service providers, and parts dealers.
Komotashi — Professional Engine And Parts Supplier
After 18 years of accumulation, we have a rich product accumulation and can provide various types of engines, including engine assemblies, cylinder blocks, cylinder heads, crankshafts, pistons, turbochargers and other parts, suitable for various application scenarios such as cars, commercial vehicles, and construction machinery.
Each engine is 100% tested before leaving the factory to ensure the high quality of the engine, and it has also withstood the test of the market.
If you need to purchase automotive engines and their accessories, please choose Komotashi as your manufacturer!
Your Professional OEM Car Engine Manufacturer
Production
Our advanced engine production base, equipped with automated production lines and precision testing equipment, can not only handle large-scale engine production, but also customize production according to the specific needs of customers. With strong supply chain management, we have sufficient production capacity to quickly deliver and provide you with high-quality products.
R&D
We have a professional engine R&D team that masters the core technology of the entire process from concept design to mass production. At the same time, we continue to improve, incorporating feedback and new discoveries into our processes to ensure continuous progress. With independent ECU calibration technology and multiple patent certifications, our engine has a measured thermal efficiency of 42%, continuing to lead industry innovation.
Quality Control
At Komotashi, we uphold the highest standards of quality control through rigorous production process monitoring and comprehensive finished product testing. Our advanced systems ensure real-time oversight at every manufacturing stage, guaranteeing precision and consistency.
News & Blogs
What Customer Says
CG's turbocharged diesel engines reduced our cross-border trucking costs by 28%! The 12.5L engines maintain 99.3% fuel efficiency even at -25°C high-altitude operations. Predictive maintenance alerts via IoT sensors cut unplanned downtime by 41% versus competitors.
CG's 2.0L hybrid racing engines delivered 517HP with 35% faster throttle response. The nano-ceramic piston coating withstood 950°C sustained temperatures during 24H Le Mans, outperforming all European rivals in power-to-weight ratio.
CG's micro-turbine propulsion systems revolutionized our heavy-lift drones – 8kg payload capacity with 58-minute flight time. The hydrogen-compatible combustion design reduced refueling costs by 63% versus battery-powered competitors.