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4HG1 Diesel Engine Full Gasket Set 5-87813-954-0
The 4HG1 Diesel Engine Full Gasket Set is a comprehensive package of gaskets and seals designed to provide a complete sealing solution for the 4HG1 engine. This engine is commonly found in various Isuzu trucks and industrial applications
The full gasket set typically includes various gaskets and seals required for the engine, ensuring proper sealing and preventing leaks. Here's what you can expect to find in a 4HG1 Diesel Engine Full Gasket Set:
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Cylinder Head Gasket: The cylinder head gasket is a crucial component, providing a seal between the engine block and cylinder head. It ensures proper compression, prevents the escape of combustion gases, and separates coolant and oil passages.
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Intake and Exhaust Manifold Gaskets: These gaskets seal the junctions between the intake and exhaust manifolds and the cylinder head. They help maintain proper air and exhaust gas flow.
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Valve Stem Seals: Valve stem seals prevent oil from entering the combustion chamber through the valve guides and ensure the proper lubrication of the valve stems.
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Timing Cover Gasket: The timing cover gasket seals the front of the engine and is essential for keeping the timing components protected and oil contained.
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Oil Pan Gasket: The oil pan gasket prevents oil leaks at the bottom of the engine and keeps the engine oil contained in the oil pan.
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Rear Main Seal: The rear main seal is located at the back of the engine and prevents oil leaks where the crankshaft exits the engine block.
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Various Seals and O-Rings: Full gasket sets may also include various seals and o-rings, such as camshaft seals, front and rear crankshaft seals, and other smaller seals needed for specific engine components.
The diesel engine full gasket set is a high-quality component that is designed to withstand extreme conditions and resist chemical liquids containing acid or alkali. Made from high-quality stainless steel, the gasket set is durable and long-lasting, maintaining its new and smooth appearance even after years of use. Additionally, the gasket set is designed with precision and accuracy, making it easy and convenient to install in the diesel engine.
Make Excellent Performance in Extreme Environment:
The diesel engine full gasket set is a high-performance component that is designed with special materials and manufacturing techniques to deliver exceptional durability and wear resistance. The gasket set is made from high-quality materials that are carefully selected for their strength and durability, ensuring that they can withstand even the most extreme working conditions. Additionally, the gasket set is designed with advanced manufacturing techniques that help to improve its wear resistance and overall performance, making it an ideal choice for use in harsh environments. The gasket set is able to maintain its long-term stability and performance even in the most challenging working conditions, thanks to its exceptional durability and wear resistance.
Environmental Friendly:
The diesel engine full gasket set is an environmentally friendly component that is designed to reduce the impact of diesel engines on the environment. The gasket set is made from high-quality stainless steel, which is a durable and long-lasting material that is also environmentally friendly. Unlike other materials that can release harmful chemicals into the environment, stainless steel is non-toxic and does not release any harmful substances, making it a safe and eco-friendly choice for use in diesel engines. Additionally, the gasket set is designed to reduce emissions and improve fuel efficiency, further reducing the environmental impact of diesel engines. By reducing emissions and improving fuel efficiency, the gasket set helps to reduce the carbon footprint of diesel engines, making them a more sustainable and environmentally friendly choice. This will be gradually trendy for international standard.
4HG1 Diesel Engine Full Gasket Set Product Parameter：
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Product Name |
Full Gasket Set |
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Application |
Manufacturing Plant, Machinery Repair Shops, Farms, Retailer |
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Engine Number |
4HG1 |
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Size |
STD |
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OEM Number |
5-87814979-0 |
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Condition |
100% Brand-new |
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Year |
1999-2004, 1999-2004 |
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Material |
Stainless Steel |
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Payment Way |
T/T, L/C, Paypal, Western Union, UPS |
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Car Model |
ISUZU |
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Packing |
Neutral / OEM |
The reason for poor cylinder head sealing
Cylinder head sealing performance is good or bad, and the technical condition of the engine has a great impact. When the cylinder head seal is not tight, will make the cylinder air leakage, resulting in cylinder compression pressure not enough, the temperature reduced and air quality reduced. When the cylinder leakage is serious, the engine power will be significantly reduced, or even unable to work. Therefore, in the engine work if the power down the fault, in addition, to find the impact of the engine power down the cause of the fault, but also check the cylinder head sealing performance is good.
The use of cylinder gasket and installation is not correct
A cylinder gasket is installed in the engine cylinder block and cylinder head, its role is to ensure the sealing of the combustion chamber, to prevent gas, cooling water, and lubricating oil from leaking. Therefore, the use and installation of the cylinder gasket do not meet the requirements, and will directly affect the reliability of the cylinder head seal and cylinder gasket life.
To ensure the quality of sealing, the cylinder gasket must be selected with the original cylinder with the same specifications and thickness, the surface should be flat, the edge of the package fit firmly, and no scratches, dents, wrinkles, and rust stains and other phenomena. Otherwise, it will affect the seal quality of the cylinder head.
The slight jump of the cylinder head
The cylinder head of the slight jump is in the compression and combustion pressure, the cylinder head trying to separate from the cylinder block caused by the results. These pressures elongate the cylinder head attachment bolts, thus causing a slight runout of the cylinder head relative to the block. This slight runout will make the cylinder head gasket relaxation and compression process, thus speeding up the damage to the cylinder head gasket, affecting its sealing performance.
The cylinder head connecting bolt does not reach the specified torque value
If the cylinder head connecting bolt is not tightened to the specified torque value, then this slight jump caused by the cylinder gasket wear will occur faster and more seriously. If the connecting bolt is too loose, it will lead to the cylinder head relative to the cylinder block runout increase.
If the connecting bolt is screwed too tight, then it will cause the connecting bolts t forcto e more than its yield strength limit, which leads to the connecting bolt elongation more than its design tolerance value, which will also cause the cylinder head runout to increase, accelerate the cylinder head gasket wear. Using the correct torque value, and in the correct order tightening the connecting bolt, can make the cylinder head relative to the cylinder block runout reduced to a minimum, to ensure the cylinder head seal quality.
The cylinder head or cylinder block plane is too large
Warp and twist is the cylinder head often appear the problem, is also caused by the cylinder gasket repeatedly burn the main reason. Especially aluminum alloy cylinder head performance is more prominent, this is because the aluminum alloy material has high efficiency of heat transfer, while the cylinder head and the cylinder block, compared with small and thin, aluminum alloy cylinder head temperature rise quickly.
When the cylinder head deformation, it and the cylinder plane joint will not be tight, and the cylinder seal quality is reduced, resulting in air leakage and burned cylinder gasket, thus further deterioration of the cylinder seal quality. If the cylinder head has a serious warpage deformation, it must be replaced.
