Essential Engine Components: Your Guide to Cylinder Liners and Pistons
AddTime:2025-08-27 15:26:21 Views:
Essential Engine Components: Your Guide to Cylinder Liners and Pistons
Understanding the vital role of key engine parts for performance and longevity.

In the world of diesel and heavy-duty machinery, engine performance is everything. Whether you're operating a Hitachi Excavator, a Komatsu bulldozer, or a Hino truck, the longevity and efficiency of your engine depend on the quality of its internal components. Two of the most critical parts are the cylinder liner and the piston. At Quanzhou Helong Machinery Parts Co., Ltd., we specialize in providing high-quality replacement parts that meet or exceed OEM specifications, ensuring your equipment stays running strong.
The Role of Cylinder Liners and Pistons
A cylinder liner, or sleeve, is a cylindrical part that fits into the engine block to form the cylinder's bore. It provides a wear-resistant surface for the piston to move against. The quality of the liner is crucial for maintaining proper compression and heat dissipation. A worn-out liner can lead to reduced engine power, increased oil consumption, and even catastrophic engine failure.
The piston, on the other hand, is the heart of the engine's reciprocating motion. It transfers the force from the expanding gas in the combustion chamber to the crankshaft. Together with the cylinder liner, the piston and its rings create a sealed chamber, allowing for the efficient combustion of fuel. A high-quality piston is essential for durability and performance under extreme temperatures and pressures.
High-Quality Cylinder Liners and Pistons from Helong
We understand the importance of reliability. That's why we meticulously source and test our parts to ensure they stand up to the rigorous demands of industrial use. Here is a selection of our quality cylinder liners and pistons, suitable for a range of popular engines.
| No. | Product Type | Part Name & Part Number(s) | Compatible Engine/Equipment |
|---|---|---|---|
| 1 | Cylinder Liner Sleeve | 5318477, 5209937, 531-8477 | Cummins 6LTAA9.5 Engine |
| 2 | Cylinder Liner Kit / Liner | 5290937 | Cummins ISL9.5 Engine |
| 3 | Cylinder Liner | 5290937, 5267489, 5530375, 5318477, 4376406 | Cummins Engines |
| 4 | Cylinder Liner (Half-finished) | 11467-1591, 114671591 | Hino H06C, H06CT, H06C-T, H06TI, H06-TI Engine; Hitachi Excavator EX220, EX220LC-3, EX270, EX270LC |
| 5 | Cylinder Liner | 6150-21-2221 | Komatsu 6D125 Engine |
| 6 | Piston | N/A | Mitsubishi 6D23 Engine |
| 7 | Piston Body and Clips | 368-7818, 3687818 | Caterpillar® Engines |
| 8 | Piston | 13216-1470 | Hino W04D Engine |
| 9 | Piston | S130B-E0190, S130B-E0360, S130B-E0380 | Hino P11C Truck Engine |
| 10 | Piston | 1-12111-713-1, 1121117131 | Isuzu 6SD1, 6SD1T Engine |
Choosing the right parts is essential for the health of your engine. At Quanzhou Helong Machinery Parts Co., Ltd., we are committed to providing you with the best components on the market. Our products are designed for precision fit and long-lasting durability, helping you minimize downtime and maximize productivity.
Trust in Helong's Expertise
We pride ourselves on our deep industry knowledge and our ability to supply parts for a wide range of applications, from construction and agriculture to transportation. Our focus is on providing genuine quality alternatives that offer excellent value without compromising on performance. When you choose our parts, you are investing in the reliability and future of your machinery.



