Auto Engine Parts Connecting Rod for Nissan Hr15 Hr16/Sr220/Mr20/Qr25/Vq35/Za20

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Product Title: Engine Connecting Rod

Product Model: 490QC-2409000420000Z

 

 

 

 

 

 

Item	Description
Product Name	Engine Connecting Rod (490QC)
P/N	490QC-2409000420000Z
Applied Model	Quanchai Diesel Engine QC490
Net Weight (kg)	6.50
Gross Weight (kg)	7.20
Qty per Carton	4 Root
Carton Size (cm)	32*23*10

 

 

 

Engine Connecting Rod

 

The Connecting Rod is a pivotal component in the engine's piston mechanism, serving to transmit the reciprocating motion of the piston into the rotational motion of the crankshaft. Therefore, the structure and composition of the connecting rod are of great significance to the performance and reliability of the engine.

 

Components of the Connecting Rod:

The connecting rod consists mainly of three parts: the small end (or eye) of the connecting rod, the big end of the connecting rod, and the rod body. The small end connects to the piston pin, the big end connects to the crankshaft, and the section that joins the small end to the big end is referred to as the rod body. Together, these three parts form the main structure of the connecting rod.

 

The small end of the connecting rod is the upper part, typically made through forging, which gives it high strength and stiffness. The big end of the connecting rod is the lower part, which connects to the crankshaft. It is commonly manufactured using forgings or castings and also possesses high strength and stiffness. The rod body, which connects the small end to the big end, is usually made of alloy steel, providing good wear resistance and corrosion resistance.

 

In addition to the main structure, the connecting rod includes other components such as the connecting rod bearings, rod caps, and bearing shells. These components serve to support and secure the connecting rod, ensuring the relative position between the connecting rod and the crankshaft.

 

In summary, as a critical part of the engine, the structure and composition of the connecting rod play a significant role in the engine's performance and reliability.

 

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