Your Leading Machinery Parts Supplier
DZ Diecast established in 2008, we are a comprehensive manufacturing enterprise specilized in die-casting,mold design and development, and sales. with 17 years of die-casting experience and a consistently high customer retention rate.Our Product has Furniture,electronics ,machinery, lighting, construction and all industries parts.
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Aluminum Casting Engine Crankcase Half CoverEngineered for superior sealing performance and reliable operation under demanding engine conditions, our custom Aluminum Casting engine crankcase half covers set new standards for engine components.view more
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Cylinder Block CaseCylinder Block Case is the central structural component of an internal combustion engine, serving as its foundational backbone. It is a high-precision, complex casting that houses the engine's core operating parts: the cylinders,...view more
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Aluminum Cylinder HeadAn Aluminum Cylinder Head is a critical structural component of an internal combustion engine, mounted atop the engine block and sealed by the head gasket. It forms the top enclosure of the combustion chamber, housing vital elements...view more
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Power Train ModuleEngineered for superior electromagnetic shielding and structural integrity in demanding automotive environments, our custom Powertrain Control Module Cases establish new benchmarks for electronic protection components.view more
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Inner Clip HousingOur inner clip housing is a precision structural shell with built‑in snap‑fit structure, widely used in electronic equipment, sensors, valves, motors and mechanical assemblies. Made of high‑strength aluminum alloy, brass or engineering...view more
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Motorcycle PartsWe produce precision custom motorcycle spare parts mainly made of aluminum alloy, brass and stainless steel. Including engine parts, frame fittings, pulleys, valve bodies, brackets and various machined components. High‑precision...view more
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Dough Mixer PartsOur dough mixer parts are precision‑machined components for commercial and household dough‑kneading equipment. Mainly made of high‑grade aluminum alloy, stainless steel and brass, they feature food‑grade safety, wear resistance,...view more
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Solenoid Valve BodyOur solenoid valve bodies are core pressure‑bearing and flow‑control components for fluid control systems. Precision‑machined from high‑quality aluminum alloy, brass or stainless steel, they feature excellent air tightness, pressure...view more
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Swimming Pool Aluminum WheelOur swimming pool aluminum wheels are lightweight, corrosion‑resistant rolling components specially used for pool cleaning equipment, pool covers, floating equipment and underwater moving parts. Made of high‑quality aluminum alloy, they...view more
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Printing Machine Push Plate PartsOur push plate fittings for printing machines are precision feeding and pushing components for paper transfer, positioning and conveying in high-speed printing equipment. Made of high-strength aluminum alloy with precision machining,...view more
Why Choose Us?
One-stop solution
With professional expertise and excellent quality, we are dedicated to serving our customers with comperhensive services from mould design, drawing to finished products.
Quality control
Our company runs under the ISO9001 quality system. It supports strict process control and steady output. It helps us keep reliable quality in every product.
Advanced equipment
With workshops equiped with 20 units of aluminum alloy die-casting machines ranging from 280T-900T,3 units of zinc alloy die-casting machines ranging from 88T-200T, 20 units of mechanical processing equipments, and 15 units of polishing and grinding equipments.
Our service
Our technical support team provides comprehensive assistance, ensuring that customers can consult us via phone, email, or online platforms at any time for prompt solutions and guidance. We conduct regular follow-ups with after-sales customers to understand product performance and satisfaction levels.
Types of Cylinder Block Case
Opposed engine cylinder orboxer engine cylinder
Horizontally opposed engines are basically flat-pressure V-engines. In this cylinder block, two rows of two cylinders are positioned opposite each other. This design is also known as the pancake engine. This requires very little headroom so that the engine compartment can be very compact. V engines use this 4-cylinder arrangement. It is air-cooled and mounted in the rear of the car.
Inline engine cylinder
In an inline engine block, a series of cylinders are arranged in such a way that they run in a line. Vehicles fitted with such engines work smoothly; that's why they are mainly used where high speeds are required.
V engine cylinder
The V engine cylinder is a popular engine cylinder type that is widely used today. In this configuration, the engines are arranged in two rows. These two rows set an angle to each other. The angle V is kept small, typically 15° to 20°, because the larger the angle, the more difficult it is to balance the engine. This type of engine is difficult to balance because of the counterweight on the crankshaft. The crankshaft has only two cranks, and connecting rods from opposing cylinders are attached to the same crank pin in two rows. Every two connecting rods are attached to a crank pin.

Structural backbone: It provides the rigid framework that holds all the engine's components in precise alignment. It must withstand immense combustion forces and vibrations.
Alignment and precision: The cylinder block's precise machining of cylinder bores and main bearing journals ensures proper piston and crankshaft movement, crucial for engine balance and longevity.
Integration hub: It acts as a central hub, integrating the combustion chambers, cooling system, lubrication system, and mounting points for other engine systems.
Durability and longevity: The robust construction of the cylinder block dictates the overall durability and lifespan of the engine. A strong block is essential for reliable operation under demanding conditions.
Product Specifications
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Product Name |
Cylinder Block Case |
Main Material |
High-Strength Aluminum Alloy (A380, ADC12) |
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Manufacturing Process |
High-Pressure Die Casting, Precision Casting, CNC Precision Machining |
Design Standards |
Automotive OEM Specifications, IATF 16949 Quality Management System. |
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Application Fields |
Automotive Engines, Construction Machinery Engines, Generator Sets, Marine Power Systems. |
Main Purpose |
Forms engine structure, mounts core components (crankshaft, pistons, cylinder liners), contains coolant and oil passages. |
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Product Type |
Engine Core Structural Component, Large Precision Casting. |
Key Features |
High Structural Strength, Excellent Dimensional Stability, Superior Sealing Performance, Good Thermal Conductivity, Wear & Corrosion Resistant. |
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Place of Origin |
Foshan, China. |
Brandname |
Dingzhan |
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MOQ |
500pcs |
Lead Time |
30-35 days |
Types of Car Connecting Rod
I-beam rods
These are the most commonly used rods in passenger vehicles due to their balance between strength and weight.
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H-beam rods
Popular in racing engines, H-beam rods offer more rigidity, especially under high-pressure conditions.
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X-beam rods
A hybrid design aiming to combine the strength of H-beam and the flexibility of I-beam.
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Tubular rods
Lightweight and mostly used in high-performance applications.
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Billet rods
Machined from a solid block of metal, they’re typically used in custom or racing engines due to their superior strength and customizability.
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Function of Connecting Rod

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Motion transfer
Converts the piston’s up-and-down motion into, consequently, the crankshaft’s rotational motion.
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Force transmission
Transfers the combustion force from the piston to the crankshaft.
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Balance
Designed to handle bending and twisting forces while minimizing vibration.
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Rotational control
Helps maintain the crankshaft’s correct and consistent rotation.
Faults of Connecting Rods
Fatigue
Fatigue often occurs because the compression and stretch of the rod happen most of the time during the process. Eventually, this causes to wear of the rod till it gets breaks. Lack of oil and the presence of dirt in the engine can exacerbate this problem.
This is the most common type of defect and often occurs in older engines as well. If the engine is rebuilt, you may also experience fatigue in adding a new engine. Well, this happens when cheap parts or wrong parts are used.
Hydrolock
Hydrolock occurs when water enters the piston chamber causing deformation of the connecting rod. This may occur when vehicles pass through a flooded road.
A little drop of water in the cylinder can produce knocking or tapping in the engine. That can be easily corrected. But, if there is too much water in the cylinder, the spark is all over the place for a period of time, causing the cylinder rod to tilt or break.
Over revving
Over raving is another type of fault of the connecting rod. That occurs in new and high-performance engines. If the tachometer displays a red color, it indicates that the position of the connecting rod is in danger. This is because of forces working on the con rod rise dramatically at higher revolutions.
Pin failure
Sometimes the piston pin is also damaged and results in catastrophic engine failure. This occurs when the connecting rod moves into the engine block or when the crankshaft is bent.
In some engines, It can cause heavy power loss. The engine stops immediately when the pin breaks due to this problem. There is a possibility that the engine has survived, otherwise, a total breakdown may occur.
Certificate

FAQ
We're well-known as one of the leading machinery parts manufacturers and suppliers in China. Please rest assured to buy customized machinery parts made in China here from our factory. If you have any enquiry about OEM service, please feel free to email us.
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