Essential Guide to Komatsu 4D95 Cylinder Liners (Part No. 6204-21-2120)
Ensuring Peak Performance and Longevity for Your Engine
At Quanzhou Helong Machinery Parts Co., Ltd., we understand that the reliability of your machinery depends on the quality of its components. This is especially true for the engine's core parts. In this article, we delve into the specifics of the Komatsu 4D95 cylinder liner, a crucial component for a range of heavy-duty applications. Specifically, we'll focus on the essential details of part number 6204-21-2120, a high-quality replacement part designed to meet or exceed OEM standards.
The cylinder liner, often called a cylinder sleeve, is the primary wear surface for the piston rings as they move up and down. Its integrity is vital for maintaining proper compression, controlling oil consumption, and dissipating heat effectively. A worn or damaged cylinder liner can lead to significant engine problems, including loss of power, increased fuel consumption, and even catastrophic failure. Using a reliable and durable replacement part is the best way to safeguard your engine's health and extend its operational life.

Why Choose Our Komatsu 4D95 Cylinder Liners?
Our cylinder liners are manufactured using advanced techniques and high-grade materials to ensure exceptional durability and a perfect fit. They are engineered to provide a smooth, hard-wearing surface that minimizes friction and wear, allowing for optimal piston ring sealing and combustion efficiency. Each liner undergoes rigorous quality control checks to ensure it meets the precise specifications required for the Komatsu 4D95 engine.
We believe that a high-quality product is more than just a replacement part—it's an investment in the longevity and performance of your equipment. Choosing our cylinder liners means you're getting a component that will perform reliably under the most demanding conditions, giving you peace of mind and reducing the risk of costly downtime.
Product Specifications: Komatsu 4D95 Cylinder Liner (Part No. 6204-21-2120)
To help you find the exact part you need, we've compiled the key specifications for our high-quality Komatsu 4D95 cylinder liner. This table provides a clear overview of the product's details.
| No. | Category | Details |
|---|---|---|
| 1 | Product Name | Komatsu 4D95 Cylinder Liner |
| 2 | Part Number | 6204-21-2120 |
| 3 | Application | Komatsu 4D95 Engine |
| 4 | Material | High-Grade Cast Iron Alloy |
| 5 | Function | Provides wear surface for piston rings, supports piston movement, and assists in heat dissipation. |
| 6 | Compatibility | Designed for perfect fit and function with Komatsu 4D95 series engines. |
At Quanzhou Helong Machinery Parts Co., Ltd., we are committed to providing the highest quality engine components. Our extensive catalog of parts, including this exceptional cylinder liner, is backed by our dedication to customer satisfaction and product excellence.
Thank you for trusting us with your machinery needs. We look forward to being your reliable partner for all your engine parts requirements.



