Diesel Engine Piston Liner Kit — Complete Cylinder Replacement Assembly For Excavator
Product Overview
This Diesel Engine Piston Liner Kit is a comprehensive cylinder replacement assembly engineered for medium and heavy-duty excavator diesel engines. Designed as a direct-fit replacement, each kit delivers dependable compression performance, reduced oil consumption, and extended engine overhaul intervals. The assembly includes a cylinder liner, piston, piston ring set, piston pin, and retaining clips — all precision-matched for seamless installation.
| Item | Specification |
|---|---|
| Product Type | Piston Liner Kit (Cylinder Replacement Assembly) |
| Cylinder Bore Diameter | 102mm / 107mm / 114mm (varies by engine model) |
| Cylinder Liner Material | Boron-alloy cast iron, centrifugal casting |
| Cylinder Liner Hardness | HB 210-290 |
| Piston Material | High-silicon aluminum alloy with cast-in ring carrier |
| Piston Ring Material | Ductile iron (top ring), grey cast iron (2nd ring), stainless steel (oil ring) |
| Piston Pin Material | Case-hardened alloy steel, chrome-plated |
| Surface Treatment | Phosphating (piston), honing (cylinder liner inner wall) |
| Compression Ratio | 16:1 – 18:1 (engine-dependent) |
| Condition |
| New Aftermarket Replacement | |
|---|---|
| Warranty | 12 months from date of delivery |