Ford Mondeo Focus Connect 1.8 TDCi Fuel Injector Injection Nozzle 4M5Q-9F593-AD

The Ford Mondeo Connect 1.8 TDCi Injector Nozzle 4M5Q9F593AD is an original injector nozzle designed for Ford diesel engines, engineered for precise fuel delivery and stable engine operation. This component originates from a Diesel fuel system and serves as a solid foundation for professional injector repair or refurbishment in Ford vehicles equipped with the 1.8 TDCi engine.

Specifications and technical data

• SKU: 4M5Q9F593AD
• Mark: Ford
• Condition: Used
• OEM Part Number: 4M5Q9F593AD
• Substitutable numbers: 4M5Q9F593AD, 4M5Q-9F593-AD, 1355051
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Technical Characteristics

The injector presented belongs to the Injector Nozzles category and is structurally adapted for the injection systems of 1.8 TDCi engines. Its application in diesel units requires high precision in diesel fuel atomization, which is why this element is shaped to meet the operational parameters typical of modern Ford diesels.

The nozzle's construction ensures:

• controlled fuel atomization in the combustion chamber, promoting smooth engine operation,
• stable injection doses under various loads, helping to maintain engine refinement,
• correct fuel spray formation, crucial for reducing smoke and maintaining system efficiency.

Benefits of Using an Original Ford Injector Nozzle

Using an original injector nozzle in a 1.8 TDCi engine allows for the preservation of operational parameters as intended by the vehicle manufacturer. In practice, this means:

• better compatibility with factory engine control compared to aftermarket alternatives with uncertain parameters,
• easier diagnostics – the engine control unit operates within the calibrated value range,
• reduced risk of starting problems and rough idling resulting from improper fuel atomization.

This solution is particularly recommended for professional fuel system repairs where maintaining the original performance characteristics of the diesel unit is a priority.

Application in Diesel Engines

The injector is designed to work with a Diesel fuel system, where precise high-pressure diesel fuel metering is crucial. A correctly selected injector nozzle helps to:

• maintain predictable engine behavior across the entire RPM range,
• limit excessive fuel consumption caused by improper atomization,
• reduce the load on other fuel system components, such as the high-pressure pump or high-pressure lines.

Therefore, replacing a worn or damaged nozzle with a functional component is one of the fundamental steps in restoring proper operation to a TDCi unit.

Component Condition and Practical Service Application

The offered injector is a used part, making it an attractive option for budget-conscious repairs or as a basis for further refurbishment at a specialized service center. Such components are often used:

• for rebuilding a complete set of injectors for the 1.8 TDCi engine,
• as a replacement part in case of damage to a single nozzle,
• in workshops specializing in injector diagnostics and testing on test benches.

Before installation, it is recommended to perform a standard injector inspection procedure at a specialized facility to match its parameters to the specific engine and the condition of other system components.

Technical Support and Educational Materials

If you want to better understand how diesel engine injection problems manifest and when replacing an injector nozzle is justified, check out the article: Diesel Injector Faults – How to Recognize Them and What Neglecting Them Entails. This is a practical compendium of knowledge on the symptoms, consequences, and diagnostics of injector faults.

If you are looking for other components from the Ford Injector Nozzles category, explore our full offer in our catalog: Ford Injector Nozzles. This will help you easily select other fuel system components suitable for your model.