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Part record

FPDM (Fuel Pump Driver Module)

aggregated BrandMotorcraft / Ford (12B597-stem)

The module that drives the fuel pump sits on the frame rail and corrodes (road salt wicks into the connector) - intermittent power loss, stalling, 'dead as if out of fuel', then fine again after sitting. CORRECTION 2026-09-10: the commonly cited Motorcraft DY-1165 cross is an OXYGEN SENSOR per the Ford catalog - not the FPDM. The module lives on the Ford PN stem 12B597 (e.g. 4L3Z-12B597-AA family); the PN varies across the 1999-2010 run - match the old module or run the VIN. Replace the pigtail/harness section if the connector is corroded, not just the module. NHTSA VOQ is structurally silent on FPDM (complaints read 'stalls / no start' without naming the module) - see FPDM (fuel pump driver module) corrosion / failure. Pass-2: the FPDM PN varies across the F-150/Expedition years too - the DY-1165-class cross covers the 2004-2008 window; match by VIN.

Where to buy

Not listed online at Dave's Auto Center yet. Ask Dave's Auto Center about this part.

What this record does and doesn't claim

The FPDM corrosion failure and the Motorcraft DY-1165 cross are well-documented across vendor listings and the community, but we have not verified a per-year PN table against the Ford catalog - the module PN varies across the 1999-2010 run. Match the old part or run the VIN before ordering.

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