Caterpillar 268-1836 (2681836) and 268-1840 (2681840) Injectors – C7 Engine
High pressure and optimal combustion for your construction equipment
The injector high-pressure fuel, references 268-1836 (2681836) And 268-1840 (2681840), This is a critical precision electro-hydraulic component designed specifically for the fuel system of Caterpillar C7 engines powering construction and industrial equipment. With sustainable maintenance and profitability in mind, this injector ensures an ultra-fine, perfectly metered spray of diesel fuel directly into the combustion chamber. It restores the machine's original power, eliminates black smoke, and optimizes fuel consumption.
Precision engineering and resistance to harsh conditions
Technical transparency is our priority to guarantee the longevity of your engines subjected to heavy workloads.
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High-Precision Spray Nozzle: Equipped with calibrated micro-orifices to ensure micrometric and homogeneous atomization of diesel fuel, thus maximizing the thermal efficiency of each cylinder.
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High-Reactivity Solenoid Valve: Ensures multiple and extremely rapid injection cycles per engine cycle, allowing optimal electronic flow management.
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Hardened Refractory Materials: Internal components (needle and seat) heat-treated to withstand intense friction, extreme pressures and variations in fuel quality.
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Original Integrated Sealing Kit: Supplied with premium quality O-rings capable of withstanding high cylinder head temperatures and preventing any leakage or contamination of engine oil.
Optimized benefits for your production hydraulic excavators
| Technical Advantage | Direct impact on operations |
| Complete and clean combustion | Immediate reduction in diesel consumption and reduction in unburned smoke emissions. |
| Engine torque restoration | Your machine regains its full working power and responsiveness during intensive cycles. |
| Regularity of the motor cycle | Eliminates misfires, stabilizes idle speed and facilitates cold starts. |
| Strict geometric conformity | Fits perfectly into the original cylinder head wells of the CAT C7 block without any mechanical modification. |
Hardware Specifications and Compatibility
| Attribute | Specification |
| Manufacturer Reference | 268-1836 / 2681836 or 268-1840 / 2681840 |
| Associated Engine Model | Caterpillar C7 ACERT |
| Main Applications | CAT Hydraulic Excavators, Loaders, Compactors and Industrial Equipment |
| System Type | Direct Injection / Common Rail (HEUI / Common Rail) |
| Sustainable Commitment | Robust design particularly suited to dusty environments and hot tropical climates. |
Kasparts' expertise to secure your productivity
The 268-1836 and 268-1840 injectors are the ideal technical solution to address power loss, excessive fuel consumption, or difficult starting problems in your equipment. By ordering your replacement parts from Kasparts, you ensure the continuity of your construction projects with reliable and durable components designed to maintain the mechanical health of your Caterpillar engines.
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