3TNV70 Engine Cylinder Head | OEM 119515-11740 119515-11750 | Yanmar Excavator Spare Parts Engine Cylinder Head

Upgrade your Yanmar 3TNV70 diesel engine with our high-performance cylinder head, engineered to meet or exceed OEM specifications for reliable, long-lasting performance in the most demanding construction and excavation environments. As a critical component of the 3TNV70 engine—known for its vertical water-cooled, 3-cylinder, 4-cycle design—this cylinder head plays a vital role in sealing the combustion chamber, housing valves, and ensuring efficient heat dissipation, directly impacting your excavator's power, fuel efficiency, and overall operational reliability.

Our 3TNV70 engine cylinder head is a direct replacement for genuine Yanmar parts, featuring exact OEM fitment and full compatibility with the 3TNV70 engine series, including models like 3TNV70-HGE, 3TNV70-GGET, 3TNV70-HGET, and all 3TNV70-powered excavators. Crafted from high-strength aluminum alloy, it offers superior advantages over traditional cast iron alternatives: lighter weight to improve the engine's power-to-weight ratio, excellent thermal conductivity for optimal heat dissipation, and strong corrosion resistance to withstand harsh working conditions on construction sites.

Manufactured using advanced high-pressure casting and precision machining technology, each cylinder head ensures exceptional dimensional accuracy, perfect alignment with the engine block, and tight sealing to prevent gas leaks and coolant loss. The precision-machined valve seats, intake and exhaust ports, and combustion chamber are engineered to match the 3TNV70 engine's specifications (bore x stroke 70x74mm, displacement 0.854L), ensuring seamless integration and optimal performance—whether you're performing routine maintenance, engine overhaul, or replacing a worn or damaged cylinder head.

Ideal for excavator fleet managers, mechanics, and equipment operators, this cylinder head is designed for straightforward installation, minimizing downtime and maintenance costs. Backed by rigorous quality control inspections—including material traceability, dimensional accuracy checks, and performance testing—and a reliable warranty, it's the trusted choice for those seeking a cost-effective, high-quality alternative to genuine OEM parts without compromising on performance or durability.

• OEM Perfect Fit: Direct replacement for genuine Yanmar 3TNV70 cylinder heads (OEM 119515-11740, 119515-11750), ensuring seamless integration with no modifications required for installation.
• Superior Material & Durability: High-strength aluminum alloy construction offers lightweight design, excellent heat dissipation, and corrosion resistance, extending the cylinder head's service life in harsh construction environments.
• Optimal Engine Performance: Precision machining of the combustion chamber, valve seats, and ports ensures efficient fuel combustion, reduced heat buildup, and improved engine power and fuel efficiency—matching the 3TNV70 engine's 15.5-17.0 kW max output specifications.
• Cost-Effective Solution: High-quality aftermarket alternative to expensive genuine OEM parts, delivering comparable performance and durability at a lower cost.
• Easy Installation: Direct-fit design simplifies replacement, reducing maintenance time and downtime for your excavator fleet.
• Reliable Quality Assurance: Each cylinder head undergoes strict quality control testing, including material traceability and dimensional checks, and is backed by a 12-month warranty for peace of mind.

We specialize in manufacturing and supplying top-tier excavator engine spare parts, with a focus on precision, quality, and customer satisfaction. Our 3TNV70 engine cylinder head is engineered to meet international industry standards, using advanced manufacturing techniques and high-grade materials to ensure reliability and performance that matches or exceeds OEM requirements.

Each unit is carefully inspected to ensure it meets the exact specifications of the Yanmar 3TNV70 engine, guaranteeing a perfect fit and consistent performance. Whether you're maintaining a single excavator or managing a large fleet, our 3TNV70 Engine Cylinder Head is the ideal solution to keep your equipment running at peak efficiency, reduce downtime, and lower maintenance costs—project after project.

Designed for the demands of construction, excavation, and heavy-duty operations, this cylinder head is built to withstand the rigors of daily use, ensuring your 3TNV70-powered excavator remains productive and reliable when you need it most.