OEM / REF: 4357177SKU: pilotpart943891-8412031418616
Pressure Relief Valve 4357177 for Cummins Engine ISX QSX is a Main & Relief Valve replacement part for Cummins Hydraulic & Pneumatic Parts, categorized under Hydraulic & Pneumatic Parts > Main & Relief Valve. Use OEM part number 4357177 and confirm machine model, engine model, and serial details before checkout.
This Main & Relief Valve is indexed for Cummins Fit for Cummins Engine:ISX, QSX 15L on EPA98 Automotive. Compare reference number 4357177 against the label on your existing Cummins component before ordering.
Before checkout, compare OEM part number 4357177, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.
Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.
Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.
Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.
