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Here are the Differences Between Compression Piston Rings 1 and 2, Let's Take a Look!

09 April 2025
Berikut Perbedaan Ring Piston Kompresi 1 dan 2, Yuk Simak!

Understanding the difference between compression piston rings 1 and 2 is indeed necessary. Considering the important role of car piston rings in the performance of the car engine so that the car can maneuver maximally when driven. 

Incorrect installation of these two components, such as reversed installation, will have serious impacts on the car engine. Here are some of the effects that may occur: a lot of white smoke coming from the car's exhaust, excessive oil consumption, difficulty starting the car engine, strange and noisy sounds coming from inside the car engine, and the car engine being less powerful. 

Here are the differences between these two components, so you do not misunderstand them. 

Differences Between Compression Piston Rings 1 and 2 

Here are some differences that you can understand between compression piston rings 1 and 2:

Compression Piston Ring 1

  1. This component is installed at the topmost position or number one. This component is located above the compression piston ring. Its position is considered the closest to the engine combustion chamber.
  2. The outer edge of this component is flat and feels smooth when you touch it. Meanwhile, the inner edge of this component is tapered.
  3. The color of this component is identical to gray or silver and chrome.
  4. On the top of the ring, there are exclusive markings such as R, N, T, and TOP. These markings are located near the gap (the edge of the ring that has one color).
  5. This component has several crucial functions in the car, including: preventing air leakage during the engine compression process and transferring heat. Heat from the piston head (crown) will be transferred to the cylinder wall.

Read Also: Easy Way to Install Anti-Smoke Car Piston Rings

Compression Piston Ring 2

  1. This component is located below the compression piston ring 1 and is installed in the second position.
  2. When you touch the outer edge of this part, you should be more careful, as the lower side is slightly sharp. However, the upper edge still feels smooth when touched. 
  3. The inner edge of this component is flat, while the outer edge of this component is tapered.
  4. The color difference of compression piston ring 2 is darker or more intense than the color of compression piston ring 1. The color used for this component is identical to black.
  5. This component also has a special marking like compression piston ring 1. However, in this component, the special marking is 2R and is located near the gap with 2 colors.
  6. This component functions as a barrier to air leakage from the compression piston ring 1. Additionally, this component cleans the cylinder wall from residual lubricating oil or oil that sticks so that it does not enter the car's combustion chamber.

Read Also: Complete List of Car Piston Diameter Sizes

After you have noted the review on the differences between compression piston rings 1 and 2 as above, do you understand? If you understand, you can immediately apply that knowledge when you want to replace or install car piston rings. You still need to be meticulous when performing the installation. 

If you feel less skilled in installing piston rings, you should immediately seek help from a professional who is an expert in the field. You can visit a professional workshop or an official Daihatsu dealer to get the proper handling. Proper installation of piston rings will make your car more powerful and agile when maneuvering. 

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