Description:
Premium fuel pump gasket engineered to replace Cummins OEM part 3686758 (also cross‑referenced to 5414049) for ISX and X15 diesel engines. This fuel system seal prevents leaks between the fuel pump and engine components, maintaining proper fuel pressure and system performance. Ideal for heavy‑duty applications where reliable sealing is critical.
Features:
Part#: 3686758 (old), cross‑ref 5414049
Brand: OEM Cummins / OEM‑compatible replacement
Category: Engine fuel system seals & gaskets
Material: Elastomer composite gasket material
Fitment: Cummins ISX15, QSX15, X15 engines & others requiring 3686758
Condition: New gasket
Function: Seals fuel pump to prevent diesel leakage and maintain fuel pressure
Brand: Cummins
OEM Cross Reference:
