Ensure reliable engine performance with the 3966320 Fuel Supply Tube, designed for Cummins models ISB, QSB, 6B5.9, 6C8.3, B4.5, ISC, ISF3.8, ISL, QSC, QSL9, NH, NT855, N14, and QSB3.3. Premium quality for lasting durability.
Condition:New / OEM Quality
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