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577-7633 5777633 Fuel Injector for Excavator 320D 330D Engine C9
Original price was: $669.00.$550.00Current price is: $550.00.
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Description
Part Number: 577‑7633 / 5777633 Fuel Injector
This high‑performance fuel injector is a core precision fuel‑system component built for Caterpillar C9 diesel engines, widely used on CAT 320D, 330D excavators and other heavy‑duty construction machinery.
As a critical HEUI injector unit, it accurately meters high‑pressure diesel and sprays it into the combustion chamber. Precisely managing injection timing and fuel atomization. Its working condition directly influences engine power output, fuel efficiency and exhaust performance.
Made with wear‑resistant alloy and premium internal sealing parts, this 577‑7633 fuel injector can endure harsh site environments including high temperature, high pressure and long‑time heavy‑load running. It addresses typical injector‑related troubles: rough idling, engine misfire, power drop, difficult startup, heavy black smoke and high fuel consumption, bringing your machine back to good working status.
Every unit is fully bench‑tested prior to shipment for injection pressure, spray pattern and sealing property to deliver stable performance and extended service life. Direct‑fit structure allows convenient installation with no extra alteration. Professional ECU calibration after installation is suggested for optimal engine operation.
Suitable for equipment maintenance, repair workshops and engineering project servicing.
Compatibility & Specifications
Part No: 577‑7633, 5777633
Product Name: Fuel Injector
Applicable Engine: Caterpillar C9 Diesel Engine
Fit Equipment: CAT 320D, 330D Excavator
Type: Fuel Injector
Related Spare Parts for CAT C9 Engine
Customers who viewed this item also checked these C9 engine spare parts for overhaul:
- Fuel Injection Pump Assembly
- Piston Liner Set
- Alternator
- Water Pump
Additional information
| Part Number | 577-7633 5777633 |
|---|---|
| Model | Excavator 320D 330D Engine C9 |
| Product | Fuel Injector |
| Availability | In Stock |
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