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2003-2007 5.9 Cummins Fuel Rail Plug Fits: 2003-2007 5.9 Cummins Item Type: Industrial Injection 5.9 Cummins Rail Plug Brand: Industrial Injection Part Number: 237603 FEATURES: Machined from 304 Stainless 1 Year Warranty Pressure relief valves in the factory fuel system were designed to drop rail pressure if pressure ever exceeded a preset point. Over time, the spring in the relief valve can get worn out due to continuous pressure of daily use, causing it to open even with stock rail pressure settings. The Industrial Injection 5.9 Cummins Fuel Rail Plug was designed to remove this factory valve and eliminate rail pressure drops.
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🇺🇸 Ship from USA · On Agora since 2025
$40.95