Mercedes W164 Injecteur De Carburant Diesel A6420701887

Mercedes W164 Diesel Injector A6420701887 is an original injector nozzle designed for diesel engines in this generation of SUV models. This part comes from dismantling, allowing for an economical yet technically sound repair of your Mercedes' fuel system.

Spécifications et données techniques

• UGS: A6420701887
• Marque: d'origine Mercedes
• Condition: D'occasion
• Numéro de pièce OEM: A6420701887
• Nombres substituables: A6420701887, A 642 070 18 87
• Type de carburant: Gas-oil
• Catégorie: Pièces pour injecteurs

Technical characteristics of the injector

The injector presented belongs to the category of Injector Nozzles and is designed for Diesel engines. It has been engineered for precise high-pressure fuel delivery, which is crucial for stable engine operation, smooth idling, and proper combustion across the entire load range.

A correctly selected injector nozzle in the Mercedes W164 influences:

• uniform fuel atomization in the combustion chamber,
• maintaining the engine's proper power and torque,
• reducing smoke and performance loss during acceleration,
• stable cold starts and a lower risk of misfires.

Intended use and compatibility

The fuel injector for Mercedes W164 has been developed as a component of the fuel system for this series of diesel engines. By using the OEM part number and interchangeable numbers (visible in the technical specifications), it is possible to precisely verify compatibility with a specific engine version and vehicle year.

Selecting the correct injector nozzle is particularly important in modern diesel engines, where:

• injection parameters are strictly linked to the engine control unit software,
• an incorrect part can cause diagnostic errors and limp mode,
• design differences between variants can affect sealing and mounting.

Benefits of using an original injector nozzle

Choosing an original, dismantled injector for the Mercedes W164 allows you to maintain the original operating parameters of the injection system. Compared to low-quality aftermarket parts, such a component ensures:

• preservation of the original fuel dose characteristic across the entire RPM range,
• better cooperation with the factory engine control unit and emission control systems,
• reduced risk of improper atomization, which can lead to excessive wear of pistons and valves,
• more predictable engine behavior after fuel system repair.

Diagnostics and preventative maintenance of the injection system

When replacing an injector in a diesel engine, it is worth paying attention to symptoms typical of wear on this component: uneven idling, increased fuel consumption, smoke, or characteristic knocking under load. If you want to better understand when injector nozzle replacement is necessary and what the consequences of neglect are, check out the article: Diesel injector malfunctions – how to recognize them and what are the consequences of neglecting them.

Mercedes Injector Nozzles – related offer

If you are looking for other Mercedes injector nozzles for your car, check out our dedicated category: Mercedes injector nozzles. This will allow you to easily compare available injection components for different models and engine versions of this brand.

Economic and environmental aspect

Choosing a used, dismantled injector is not only a saving compared to a new part but also real support for the circular economy. The reuse of functional components reduces waste and decreases the demand for the production of new components. If you want to learn more about the impact of such decisions on the environment and your budget, read: how used dismantled parts support the circular economy and your wallet.