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FASS

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About FASS DURAMAX ENGINE PARTS

Fuel Air Separation System, otherwise known as FASS is a diesel fuel lift pump and fuel filtration system that is designed to improve your diesel truck’s mileage, engine performance, and extend the life of your diesel injection system. Merchant Automotive offers a variety of FASS products such as filters, fluids, grease, fuel systems, and more for your LBZ, LLY, LML, and LMM Duramax engines.