Compressor Brake Air Repair Kits for Hino Piston Ring P11C Engines Parts 29106-61170

A piston ring is a metallic split ring that is attached to the outer diameter of a piston in an internal combustion engine or steam engine.

The main functions of piston rings in engines are:

Sealing the combustion chamber so that there is minimal loss of gases to the crank .
Improving heat transfer from the piston to the cylinder wall.
Maintaining the proper quantity of the oil between the piston and the cylinder wall
Regulating engine oil consumption by scraping oil from the cylinder walls back to the sump.[1]

1. Product Description.

2. Detailed Product Pictures

3.Product Advantages

- 100% Same Original Parts Finishing

- Lower Failure Rate

- Best for Parts Replacement

Piston rings are designed to seal the gap between the piston and the cylinder wall.[2] If this gap were too small, thermal expansion of the piston could mean the piston seizes in the cylinder, causing serious damage to the engine. On the other hand, a large gap would cause insufficient sealing of the piston rings against the cylinder walls, resulting in excessive blow-by (combustion gases entering the crank) and less pressure on the cylinder, reducing the power output of the engine.

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