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Description
Cummins 5317174 – Engine Applications
Part type: Pressure Relief Valve / Fuel Rail Pressure Relief Valve
This valve is used on common‑rail fuel systems and is designed to regulate excess fuel pressure to protect injectors and fuel components. Primary Cummins Engine Families
According to Cummins and aftermarket OEM cross‑reference catalogs, 5317174 is used on the following engines:
B‑Series / ISB / QSB
B3.3
B4.5
6B5.9
ISB 4.5
ISB 6.7
ISBE / ISBE4
QSB 3.3
QSB 4.5
QSB 6.7
QSB7
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