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When a generator's fuel pump starts to fail, you get hard starts, surging, or a unit that won't stay running. This Cummins Onan replacement pump, part number A064S965, swaps in for the original mechanical pump to get fuel delivery back to spec.
It's a mechanical lift-type pump with a machined exterior, sized to mount in the same rear position as the factory unit, so installation follows the same steps as the part it replaces.
Check your generator's parts manual or original pump number against A064S965 before ordering to confirm fitment.
