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The GM 12673878 Fuel Injection Fuel Return Pipe is a vital component for L5P Duramax engines manufactured between 2017 and 2021. This high-quality pipe plays a crucial role in the fuel injection system by safely returning excess fuel back to the fuel tank, ensuring optimal engine performance and efficiency.

The GM 12673878 Fuel Injection Fuel Return Pipe is a vital component for L5P Duramax engines manufactured between 2017 and 2021. This high-quality pipe plays a crucial role in the fuel injection system by safely returning excess fuel back to the fuel tank, ensuring optimal engine performance and efficiency.