GASKET, LIFT PUMP (Hyundai HN3931348)

A damaged gasket in a pump assembly can allow fluid leakage, reducing system pressure and causing erratic operation. During inspection, a lift pump gasket may show signs of compression set or cracking, which compromises the seal. Keeping a gasket in sound condition helps maintain consistent pump output and prevents contamination ingress. This aftermarket replacement part references Hyundai as the OE maker and carries the cross-reference number HN3931348. The gasket type serves as a static seal between mating pump surfaces, relying on material compression to block fluid passage. A common failure consequence is external seepage that leads to gradual performance loss and visible drips. Verify the serial number or application, then call (562) 693-7748.

Part number variants: HN3931348, hn3931348