Detailed Product Datasheet:
 

Why Choose Us:

1Good technical training and technical support

2.Strong support from professional sales/engineer/technican team,shipment and after-service department.

 3.The product has undergone a rigorous testing process, and we provide high-quality products.

 4.Support multiple payment methods, payment protection.

The c-aterpillar 20R-5073 fuel injector is a high-precision, OEM-compatible common rail component specifically engineered for c-aterpillar C9.3 series diesel engines, with cross-reference part numbers 20R5073, 456-3589, and 4563589. As a core component of the C9.3 engine’s fuel delivery system, it adopts advanced Common Rail Electronic Control technology, which is fully consistent with c-aterpillar’s original design and performance standards for the C9.3 series, ensuring seamless integration with the engine’s 9.3L displacement and 270–390 horsepower output. This injector is designed to deliver ultra-precise fuel metering, accurate injection timing, and superior atomization through its precision-machined multi-hole nozzle, promoting efficient, stable, and clean combustion while minimizing fuel waste and harmful emissions. Manufactured in strict compliance with c-aterpillar OEM standards, ISO 9001 and IATF 16949 certific-ation requirements, each unit undergoes 100% factory bench testing, including high-pressure performance verific-ation, spray pattern detection, and strict sealing inspection, ensuring reliable performance and consistent quality for heavy-duty applic-ations. It features a high-strength alloy steel body with anti-corrosion coating, enhancing wear resistance and durability to withstand the harsh operating environments of construction, mining, and industrial sites where C9.3-powered equipment is widely used, such as excavators and heavy machinery. As a direct OEM replacement part, it enables plug-and-play installation without any modific-ations to the engine or fuel system, effectively resolving common engine issues such as misfires, power loss, excessive fuel consumption, and abnormal emissions caused by injector wear or failure. With a 12-month quality warranty, flexible MOQ (1 piece minimum), neutral export packaging (customizable upon request), and fast global delivery, the 20R-5073 injector is a cost-effective and reliable choice for maintaining peak performance of c-aterpillar C9.3 series engines, widely supplied to global aftermarket markets including Africa, Europe, South America, and Southeast Asia.

1. Core Basic Specific-ations

2. Compatible Equipment & Applic-ations

Detailed Product Picture:

Company Information:

`

WhatsApp/Wechat :+86 17841207606