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Replacement Caterpillar Parts cylinder head assy 7W0007 for Diesel Engine 3406 DI

cylinder head assy 7W0007

Part Name: cylinder head assy 7W0007

Part Number: 7W0007

Basic Info.

Part no.Cylinder head assy 7W0007 MaterialIron
TypeCylinder Head assy Weight116KG
Engine No.3406 DI Transport PackageWooden Box
TrademarkDIRON OriginLuoyang City
HS Code27W0007  Production Capacity5000PCS/Year

Product Details

  • Item Model:7W0007
  • Date First Listed:2024年11月21日
  • Manufacturer:Diron Parts

Product Description

  • Part Number:Cylinder Head assy 7W0007
  • Part Type:Cylinder Head assy
  • Compatible Equipment:3406 DI Diesel Engine suit for Caterpillar Excavator

The diesel engine cylinder head is one of the key components of a diesel engine, directly influencing its efficiency, reliability, and service life. Understanding the structure, function, and common issues of the diesel engine cylinder head is essential for effective maintenance.

1. Functions of the Cylinder Head

The cylinder head sits at the top of the engine block, forming a seal for the cylinders and supporting other components. Its main functions include:

  1. Sealing the Cylinder: Together with the engine block, the cylinder head forms the combustion chamber, ensuring that the high-temperature, high-pressure gases from combustion do not leak, thereby improving combustion efficiency.
  2. Heat Dissipation and Cooling: The cylinder head has internal cooling channels, allowing coolant to circulate and carry away heat generated from combustion, keeping the cylinder at a safe temperature.
  3. Supporting Components: The cylinder head holds intake and exhaust valves, injectors, and other components in place, ensuring the engine operates smoothly.

2. Structure of the Cylinder Head

Cylinder heads are typically made of high-strength cast iron or aluminum alloy for their durability under high temperatures and pressure. Key internal features of a cylinder head include:

  1. Intake and Exhaust Passages: Air needed for combustion enters through the intake passages, while exhaust gases exit through the exhaust passages. Well-designed cylinder heads reduce intake and exhaust resistance, improving engine efficiency.
  2. Cooling Channels: Internal cooling channels allow for heat dissipation, ensuring even temperature distribution and preventing the cylinder head from overheating.
  3. Combustion Chamber Structure: The cylinder head has a combustion chamber design that aligns with the engine block. The shape of this chamber directly affects combustion efficiency and emissions.

3. Common Issues with Cylinder Heads

Due to the harsh operating environment, cylinder heads may encounter several common issues:

  1. Cracks: Over time, exposure to high temperatures and pressure can cause cracks in the cylinder head, leading to coolant or oil leakage. Cracks can compromise sealing and reduce engine power.
  2. Deformation: The cylinder head may warp if subjected to uneven heating or cooling, affecting its sealing capability and possibly preventing the engine from functioning properly.
  3. Cylinder Gasket Damage: A gasket sits between the cylinder head and engine block to ensure a tight seal. If the gasket is damaged, coolant and oil may mix, leading to engine failure.

4. Cylinder Head Maintenance

To prolong the service life of the cylinder head, regular maintenance is recommended:

  1. Inspect the Cooling System: Ensure the coolant is sufficient and that there are no leaks in the cooling system, preventing cylinder head damage from overheating.
  2. Regular Oil Changes: The quality of oil directly impacts lubrication and cooling for the cylinder head and other parts, so oil should be replaced on schedule.
  3. Maintain Proper Operating Temperature: Avoid prolonged overheating of the engine, and if necessary, stop to let it cool down.

Conclusion

The diesel engine cylinder head is an essential component that determines engine efficiency and reliability. Understanding its functions and common issues helps in better maintaining the diesel engine and extending its service life.


Purchase Notice

Diron Parts is a diesel engine parts manufacturer and wholesaler from China. Mainly engaged in: diesel engine cylinder headscylinder blocks, oil seals, etc. We provide aftermarket parts for Caterpillar, Komatsu, Cummins and other brand diesel engines. Our products can not only perfectly match the above brands, but also have the highest product quality and the most favorable wholesale price. If you are interested in our products, please contact us.

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