CAT C9 Injector 258-8745 (2588745) – High pressure and optimized combustion for Caterpillar C9 engines
High-precision injection for maximum C9 engine performance
The high-pressure fuel injector, reference 258-8745 (2588745), is a precision electro-hydraulic component designed specifically for motors Caterpillar C9. An essential element of the fuel system, it ensures an ultra-fine and perfectly metered atomization of fuel directly into the combustion chamber, guaranteeing optimal energy efficiency and cleaner combustion.
With sustainable maintenance and equipment profitability in mind, this injector helps restore the engine's original power, reduce fuel consumption, and limit black smoke emissions. Its robust design meets the demands of intensive applications found in the public works, mining, industrial, and energy production sectors.
Precision engineering and resistance to harsh conditions
Designed to operate under high mechanical and thermal stresses, the 258-8745 injector ensures long-lasting reliability and consistent performance.
High Precision Spray Nozzle
Equipped with precisely calibrated micro-orifices, it allows for homogeneous fuel atomization in order to maximize the thermal efficiency of each cylinder.
High-Reactivity Solenoid Valve
Ensures fast and precise injection cycles for optimal electronic fuel flow management and instant engine response.
High-Resistance Internal Components
Critical components, including the needle and injector seat, are manufactured from heat-treated materials to withstand extreme pressures and prolonged wear.
Reinforced Sealing System
Designed to maintain a perfect seal in the injection circuit and prevent pressure losses that could affect engine performance.
Optimized benefits for your Caterpillar equipment
| Technical Advantage | Direct impact on operations |
|---|---|
| Complete and efficient combustion | Reduction in fuel consumption and polluting emissions. |
| Engine power restoration | Improved torque and performance under load. |
| Regular engine operation | Reduction of vibrations and injection misfires. |
| Easier start-ups | Increased reliability in both cold and hot conditions. |
| Original compatibility | Direct installation without modification of the injection system. |
Hardware Specifications and Compatibility
| Attribute | Specification |
| Manufacturer Reference | 258-8745 / 2588745 |
| Associated Engine Model | Caterpillar C9 |
| Part Type | High-pressure fuel injector |
| System Type | Electronic Direct Injection |
| Main Applications | Construction equipment, mining equipment, industrial applications and generator sets equipped with CAT C9 engines |
| Sustainable Commitment | Robust design suitable for dusty environments, heavy loads and intensive working conditions. |
Kasparts' expertise to secure your productivity
The injector 258-8745 This provides a reliable solution for correcting power loss, excessive fuel consumption, hard starting, and excessive smoke emissions on Caterpillar C9 engines. Thanks to its high-precision manufacturing and proven durability, it helps extend engine life while maintaining a high level of productivity.
By choosing Kasparts for your spare parts, you benefit from reliable and high-performance components designed to preserve the availability and profitability of your Caterpillar equipment.

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