Engineered to meet OE specifications and manufactured under IATF 16949-certified quality systems, Jay Metal offers direct-replacement wet and dry cylinder liners for various applications, ensuring accurate fit, reliable performance, and dependable engine service life.
A cylinder liner operates at one of the most demanding interfaces inside an engine, where combustion pressure, heat, lubrication, piston-ring movement, and continuous friction converge. Its performance depends on the right balance of metallurgy, dimensional stability, bore geometry, and surface characteristics.
Jay Metal develops cylinder liners and sleeves around these operating demands, combining controlled casting, precision machining, application-specific finishing, and disciplined quality control to support reliable engine performance and service life.
Cylinder liners are manufactured from high-grade alloy cast iron using centrifugal casting, a process well suited to producing the dense and controlled cast structure required for wear-critical engine components. During casting, key parameters such as molten-metal temperature and die RPM are controlled to support repeatable solidification and casting consistency. Material composition, microstructure, and hardness are then verified to achieve the strength, wear resistance, and dimensional stability required across different engine applications.
Precision machining establishes critical liner geometry, including bore size, wall thickness, flange profile, roundness, and cylindricity. These characteristics influence fit, heat transfer, piston-ring movement, and sealing behaviour throughout the operating life of the engine.
The finished bore surface plays a direct role in lubrication, piston-ring seating, friction, oil control, and wear. Grinding and plateau honing develop the required bore finish and cross-hatch characteristics, with surface condition controlled against defined parameters to support oil retention, controlled ring interaction, and long-term engine performance.
Application-specific finishing may include heat treatment and phosphating, selected to support dimensional stability, surface protection, corrosion resistance, and the functional requirements of the final engine application.
Quality control extends across material characteristics, dimensional accuracy, geometry, and finished surface condition. These checks help ensure that each liner meets specified material, dimensional, and surface requirements before release, while supporting consistency across production batches.
Jay Metal offers more than 1,000 cylinder liner and sleeve models, including wet and dry configurations as well as semi-finished and fully finished variants. The range covers multiple engine makes, bore dimensions, liner profiles, and requirements across passenger mobility, commercial transport, agricultural and off-highway equipment, power and industrial engines, and marine applications.
For replacement sourcing, products can be identified using engine make, model, reference number, bore diameter, and dimensional details. For new or application-specific requirements, drawings, samples, and technical specifications can be reviewed to determine the appropriate material, machining stage, and finishing condition.
From wet and dry cylinder liners to semi-finished and fully finished variants, Jay Metal offers a broad range of cylinder liners and sleeves in multiple sizes, profiles, finishes, and engine applications.
Jay Metal’s cylinder liners are manufactured to controlled dimensional, mechanical, and metallurgical parameters, with material composition and microstructure engineered to support wear resistance, dimensional stability, and reliable engine performance.
| Dimension | Range (in mm) |
|---|---|
| Bore dia. | 60 to 160 |
| Total length | 100 to 400 |
| Property | Range |
|---|---|
| Hardness (BHN) | 210 to 280 |
| Tensile | 210 to 275 n/mm2 |
| Micro Structure | |
|---|---|
| Graphite type | “A” & “B” (“D” & “E” Random) |
| Flake size | 4-7 Microns |
| Free ferrite | Less Than 5% |
| Matrix | Lamellar Pearlite |
| Chemical composition | Minimum | Maximum |
|---|---|---|
| Carbon | 2.90 | 3.50 |
| Silicon | 1.80 | 2.50 |
| Manganese | 0.60 | 1.00 |
| Phosphorus | 0.20 | 0.50 |
| Chromium | 0.20 | 0.50 |
| Sulphur | 0.00 | 0.12 |
| Moly | As Required | |
| Copper | As Required | |
| Nickel | As Required | |
| Boron | As Required | |
| Vanadium | As Required | |
Jay Metal’s cylinder liners and sleeves are developed for a wide range of engine applications, from passenger and commercial vehicles to agricultural, industrial, marine, and power-generation platforms.
Search across 1,000+ cylinder liner and sleeve models covering a wide range of engine makes and applications. Use engine make, reference number, engine number, or bore diameter to identify the most relevant options.
Jay Metal manufactures OE-quality replacement cylinder liners and sleeves suitable for major global engine brands across passenger, commercial, agricultural, industrial, power, and marine applications.
