6.7 Cummins Injectors

6.7 Cummins injectors are small electrical components utilized to deliver fuel through a spray directly into the intake manifold ahead of the intake valve in a diesel engine. These injectors are quite intricate; featuring a high micron filter on the top inlet side, corresponding to small hypodermic-sized holes on the bottom for the atomization of diesel fuel. The diesel fuel serves as a lubricating agent for the internal components of the injector.

The main cause of failure for 6.7 Cummins injectors is water in the fuel. When water infiltrates the fuel, it displaces the lubricating properties, leading to rapid wear of internal parts and potential failure of the injector.

Regarding life expectancy, the 6.7 Cummins injectors typically last around 100,000 to 150,000 miles under normal operating conditions. However, this can vary depending on maintenance practices and operating conditions. In a 6.7 Cummins engine, there are typically six injectors, one for each cylinder.

Hawks Parts is a professional 6.7 Cummins injector in China, we provide Genuine, OEM, and aftermarket replacement Cummins injectors with good prices and fast delivery. our list is as below

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No, 6.7 Cummins injectors typically do not need to be programmed. These injectors are typically designed as plug-and-play components and do not require any specific programming when installed in the engine. However, it’s essential to ensure that the replacement injectors are compatible with the engine’s specifications and are installed correctly according to the manufacturer’s guidelines.

There are typically six injectors, with one injector dedicated to each cylinder.

When maintained correctly, the engine should endure between 500,000 to a million miles before requiring teardowns. However, components such as the turbocharger, fuel injectors, and fuel pump may wear out or fail earlier. With diligent upkeep of the fuel system, injectors can remain functional for 250,000 miles or more.


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