YNF17549 turbocharger replaces CAT 5I-7589 / 5I-8018, delivering strong boost performance for E320D engines.
OEM-equivalent replacement for 5I-7589 / 5I-8018 turbochargers
Designed for Caterpillar E320D excavator diesel engines
Precision-balanced turbine wheel for smooth and stable boost
High-strength heat-resistant turbo housing
Improves power output, acceleration, and fuel efficiency
The YNF17549 turbocharger, replacing Caterpillar 5I-7589 and 5I-8018, is engineered to deliver high-efficiency boost performance for the CAT E320D excavator. With a precision-balanced turbine and compressor assembly, this turbocharger ensures smooth airflow, reduced lag, and optimized combustion—resulting in enhanced engine torque and improved fuel economy.
Manufactured using high-temperature-resistant alloys, reinforced bearings, and CNC-machined internals, the unit withstands continuous heavy-duty cycles typical in construction and mining environments. It mounts directly onto the E320D engine without modification, making it a reliable choice for engine rebuilders, repair shops, fleet owners, and aftermarket distributors.
YNF Machinery ensures stable stock and consistent quality, providing a dependable and cost-effective turbocharging solution for CAT 320D equipment users worldwide.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF17549 |
| OEM Numbers | 5I-7589 / 5I-8018 |
| Applicable Machine | CAT E320D Excavator |
| Product Type | Turbocharger / Turbo Assembly |
| Housing Material | High-temperature alloy steel |
| Turbine Type | Precision-balanced single turbo |
| Function | Enhances engine air intake & combustion efficiency |
| Resistance | Heat, pressure, corrosion, wear |
| Installation | Direct OEM replacement |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Piece |
| Shipping | Sea, Air, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application Area | Description |
|---|---|
| Excavator Engine Boost System | Provides increased intake pressure for CAT E320D |
| Diesel Engine Overhaul | Ideal replacement for worn turbo units |
| Construction Machinery | Maintains performance under heavy-duty working cycles |
| Aftermarket Distribution | Suitable for global turbocharger wholesalers |
Related Products:
CAT E320D Engine Parts
Turbo Oil Feed Pipe
CAT320D Fuel Transfer Pump
Turbocharger Repair Kits
FAQs：
Q: What engines does this turbocharger fit?
A: It fits CAT E320D engines replacing 5I-7589 / 5I-8018.
Q: Is this an OEM or aftermarket unit?
A: It is an OEM-equivalent high-quality aftermarket turbo.
Q: Does a failing turbo affect engine performance?
A: Yes, it can cause low power, smoke, and poor fuel efficiency.
The YNF17549 5I-7589 / 5I-8018 turbocharger delivers strong, reliable boost for CAT E320D excavators, helping the engine achieve higher power and better fuel efficiency. Engineered with high-temperature-resistant materials and precision-balanced components, it ensures stable long-term operation. YNF Machinery supports global distributors and construction fleets with competitive pricing, dependable quality, and fast response. Contact us for your quotation.
