Truck 1DZ-II Engine Cylinder Head Component Assembly CH11399
1DZ-II Engine Cylinder Head
,Truck Engine Cylinder Head
,CH11399
Part No.96446922 cylinder head is the core component of the valve and combustion system for diesel engines, an aftermarket replacement part for overhaul of construction machinery engines. It has five main features:
- High-precision combustion chamber profile. The combustion chamber is integrally cast with tight tolerance on shape and volume. It helps form uniform fuel-air mixture for complete combustion, improving power delivery, reducing black smoke emission and optimizing fuel consumption.
- Streamlined intake and exhaust ports. Optimized runner layout lowers airflow resistance. It improves charging efficiency and exhaust evacuation, reduces pumping loss and maintains strong torque even at medium and low engine speeds.
- Balanced multi-path cooling structure. Water galleries surround combustion chambers and valve zones to dissipate heat evenly. It prevents concentrated hot spots and thermal fatigue, minimizing the risk of cylinder head warping under long continuous operation.
- Reinforced threaded holes. The bolt threads are precisely machined with full thread profile for even load distribution. Stable clamping force holds the head gasket securely. Thread slipping and gasket blow-out are less likely under repeated thermal cycling.
- Multi-step comprehensive inspection. Every unit passes blank crack detection, water pressure leak test and dimension verification. No sand holes or leakage in galleries. The mounting surface flatness meets standards for direct installation without rework.
This cost-effective cylinder head is widely stocked by repair workshops and equipment rental suppliers. When assembled with matched valves and gaskets, it delivers stable sealing and power performance under heavy-duty working conditions.
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