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(888) 312-8812 Login SignupThe Mack Fuel Filter Insert serves as a water/fuel separation element built for Elemax and FS20313 applications. Its internal structure targets phase separation, allowing water droplets to fall out of suspension before reaching high-pressure injection components. This insert contributes to consistent fuel delivery in engines that encounter wide temperature variation or mixed-quality fuel sources. Operators value components like this because they prevent water intrusion into rail systems, which can compromise combustion quality and long-term injector performance. If a truck is experiencing irregular fuel behavior tied to a contaminated supply, it can benefit from the protective layer offered by the Mack 24009058.
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