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4P-9076 Fuel Injector Group
Executive Product Summary
Engineered for heavy-duty diesel engine fuel systems, the 4P-9076 fuel injector group delivers precise fuel metering under extreme operating pressures. By creating fine fuel atomization inside the combustion chamber, it improves fuel economy, minimizes soot emissions, and protects internal cylinder components from thermal stress and erratic combustion.
Key Product Features
- ■Precision Fuel Atomization: Micro-machined nozzle orifices produce a fine spray pattern for complete fuel burn and efficient combustion.
- ■Extreme Pressure Durability: Built with high-strength alloy steel to withstand continuous ultra-high injection pressures and thermal cycles.
- ■Corrosion & Storage Protection: Treated with specialized lanolin and silicone grease fluid compounds to prevent oxidation during storage and assembly.
- ■OEM Fit & Performance: Manufactured to exact original equipment tolerances for direct-fit installation and reliable cylinder power balance.
Technical Specifications & Attributes
| Technical Parameter | Specification Value |
|---|---|
| Part Number | 4P-9076 (4P9076) |
| Product Type | Injector Group - Fuel (Fuel Injector Assembly) |
| Overall Length | 12.3 in (312.4 mm) |
| Overall Height | 4.8 in (121.9 mm) |
| Protective Coating / Fluid Material | Grease (Lanolin, Silicone) Fluid |
Frequently Asked Questions (FAQ)
Q1: What is the primary function of the 4P-9076 fuel injector group?
A: The 4P-9076 fuel injector group meters and sprays diesel fuel directly into the engine cylinder under high pressure, ensuring complete combustion and smooth engine operation.
Q2: What are the physical dimensions of the 4P-9076 fuel injector assembly?
A: The injector assembly measures 12.3 inches in length and 4.8 inches in height.
Q3: Why is grease (Lanolin, Silicone) fluid listed in the specifications for this injector?
A: A protective lanolin and silicone grease fluid is applied during manufacturing to protect critical internal and external surfaces from rust, corrosion, and seal degradation prior to installation.
Q4: What signs indicate that a fuel injector like the 4P-9076 needs replacement?
A: Common symptoms include engine misfires, rough idling, excess black smoke output, increased fuel consumption, or lost engine horsepower due to poor spray patterns or internal valve wear.
Q5: Is special handling required when installing the 4P-9076 fuel injector group?
A: Yes, fuel injectors must be handled in a clean environment to prevent dirt contamination. Ensure new seals or O-rings are lubricated and torque specifications are strictly followed during installation.
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