Overview
HFP-A89 is a complete, drop-in fuel pump module assembly engineered as a direct factory replacement for late New Edge Ford Mustang models (2001–2004). This premium assembly serves as an exact interchange for Ford factory part numbers 1R3Z-9H307-AB, 1R3U9H307AA, and 1R3Z9H307AD. In these Mustangs, a weak or worn-out fuel pump cannot supply the steady volume required by the fuel rail, often causing severe mid-range fuel starvation, top-end lean-outs, lean codes (P0171/P0174), or a frustrating crank-no-start condition. HFP-A89 rectifies these fueling issues completely by replacing the entire integrated tank system—including the pump core, sending unit, internal filtration, and plastic hanger top—in one simple installation. Precision-manufactured to match the exact dimensional constraints of the factory tank opening, this assembly restores factory fuel pressure, ensures accurate fuel gauge readings, and provides dependable fuel delivery for everything from daily driven V6 models to hard-charging 4.6L V8 GT, Mach 1, and SVT Cobra platforms.
Features & Benefits:
- Complete Drop-In Module: Replaces the entire aging factory fuel hanger system at once, eliminating the tedious work of rebuilding the internal pump module piece-by-piece.
- Stable Flow & Volume: Delivers consistent fuel pressure across the entire RPM range, preventing dangerous lean conditions under heavy acceleration or open-throttle loads.
- Accurate Fuel Level Tracking: Equipped with a pre-calibrated fuel level sending unit and float to fix sticking, erratic, or completely dead fuel gauge needles.
- Upgraded Internal Seals: Constructed using premium fluoropolymer seals designed to withstand ongoing exposure to modern E10 and high-ethanol pump gas without swelling or cracking.
- Heavy-Duty Strainer Included: Features an integrated internal inlet strainer that maximizes dirt filtration, shielding the high-pressure turbine mechanism from abrasive tank debris.
- Vibration-Isolated Core: Engineered with a balanced internal turbine structure that operates at a much lower noise and vibration profile compared to older or worn factory modules.
- Direct Fitting Terminals: Utilizes factory-matched electrical plug connections and fuel line quick-connect ports for an uncomplicated, plug-and-play installation.
THE IDEAL REPLACEMENT FOR OEM #: 1R3Z-9H307-AB, 1R3U9H307AA, 1R3Z9H307AA, 1R3Z9H307AD
Package Includes: Complete Fuel Pump Module Assembly (with Sending Unit & Float)
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
