Fuel system reliability starts with consistent pressure delivery—and that begins with the high-pressure fuel rail. The OEM 5304161 Fuel Rail, designed for Cummins QSB 6.7L engines from 2017 to 2023, plays a vital role in maintaining balanced fuel injection, smooth operation, and engine longevity.
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Ensures uniform high-pressure fuel distribution across all injectors, supporting consistent spray quality and balanced cylinder performance.
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Helps maintain cleaner combustion and better fuel economy by providing a stable fuel platform critical for precise metering at the injector level.
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Minimizes risk of pressure loss or leaks that could lead to misfires, rough idling, or inconsistent performance.
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Engineered to Cummins specifications, enabling direct, hassle-free replacement with perfect alignment and fitment.
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Backed by solid warranty coverage and a streamlined core return policy, providing dependable service and easier maintenance.
A properly functioning fuel rail is more than just plumbing—it’s the backbone of clean, efficient combustion and reliable injector function. Opting for the OEM 5304161 ensures stable fuel delivery, optimized engine operation, and long-term system integrity. Trust Tamerx Diesel Parts for authentic quality you can rely on.











































































































































































































































