1121117121 Genuine Piston Fits Hitachi EX300-3HHE Isuzu 6BD1T Diesel Engine
Product Specifications
| Part Name |
Piston; STANDARD |
| Part Number |
1-12111712-1 (also referenced as 1121117121, 1121117120) |
| Brand |
ISUZU (100% Original Guaranteed) |
| Place Of Origin |
Japan |
| Quality Standard |
Genuine Standard |
| Condition |
100% Brand New |
| MOQ |
1 Piece |
| Net Weight |
1.6 KG |
| Packaging |
Original ISUZU Sealed Packaging with Authenticity Label |
| Compatible Equipment Models |
Hitachi (EX300-2, EX300-3, EX300-3HHE) |
Product Features
- Reinforced Direct-Injection Bowl and Excellent Thermal Cracking Resistance: Cast from premium high-silicon aluminum alloy, this piston features excellent thermal conductivity. The rim of the direct-injection (DI) combustion bowl is precisely reinforced to withstand the alternating thermal stress under 6BD1T turbocharged conditions, effectively preventing thermal erosion or early micro-cracking during long-term high-temperature operations.
- Austenitic Al-Fin Insert for First Ring Groove Protection: To counter the harsh working conditions of frequent load fluctuations and high-frequency impacts in excavator operations, a Ni-resist (Al-Fin) cast iron insert is metallurgically bonded into the first ring groove. This provides a high-hardness bearing surface, completely preventing the groove from widening or scoring under high temperature and pressure, ensuring perfect long-term compression sealing.
- Micron-Level Asymmetric Barrel Skirt for Reduced Friction and Anti-Scuffing: The piston skirt incorporates a micron-level precision asymmetric barrel/oval profile. This advanced geometry perfectly compensates for thermal expansion deformation, ensuring smoother travel inside the cylinder liner to minimize cold-start engine slap noise while drastically reducing frictional resistance and the risk of cylinder scuffing.
Friendly Reminder: Please ensure this part number matches your machine model and serial number. We strongly recommend checking with the official parts catalog or providing your machine serial number before purchase to avoid ordering the wrong part.