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Thumbnail Filmstrip of 1999.5-2003 7.3L Powerstroke HPOP Pump Alliant AP63624 Images
Engineered specifically for late 1999 (Serial No. 843990 and up) through 2003 Ford F-250, F-350, F-450, F-550, and E-Series vehicles powered by the 7.3L Powerstroke V8 diesel engine (and International T444E equivalents), the Alliant Power High-Pressure Oil Pump (Part # AP63624) provides a dependable, precision-rebuilt solution to resolve hard starting, rough idling, and loss of injection control pressure (ICP).
Built to meet or exceed strict original equipment specifications using entirely new internal seals and springs, this remanufactured pump restores proper hydraulic pressure to keep your fuel injectors firing consistently. Note: This unit requires an exchange core return and carries a refundable core deposit.
Key Features & Benefits
- Remanufactured to OE Specs: Rebuilt under strict quality controls to ensure factory-level flow rates and dependable high-pressure performance.
- All-New Internal Seals & Springs: Eliminates common internal leakage paths to maintain optimal Injection Control Pressure (ICP).
- Multi-Point Operational Testing: Rigorously bench-tested under simulated vehicle operating conditions before packaging.
- Direct-Fit Replacement: Equipped with factory quick-connect hose fittings and includes a mounting gasket for straightforward installation.
- Industry-Leading Warranty: Backed by Alliant Power's robust 24-month, unlimited mileage warranty.
Technical Specifications
- Manufacturer / Brand: Alliant Power
- Manufacturer Part Number / SKU: AP63624 (Remanufactured High-Pressure Oil Pump)
- Product Type: Remanufactured HEUI High-Pressure Oil Pump (HPOP)
- Vehicle Compatibility: 1999.5–2003 Ford F-250 / F-350 / F-450 / F-550 & E-Series
- Engine Platform: 7.3L Powerstroke V8 Diesel (Late '99–03, ESN 843990 & Up)
- Core Requirement: Core exchange program applies (core deposit required at purchase, refunded upon return of rebuildable core).
- Warranty: Alliant Power 24-Month Unlimited Mileage Warranty
Vehicle Fitment & Technical Installation Notes
- 1999.5–2003 Ford Super Duty / E-Series – 7.3L Powerstroke Diesel
- Installation Tip: Clean the reservoir and HPOP mounting surface thoroughly. Prime the new pump with clean engine oil prior to final installation to prevent dry-start wear and air-lock issues.
Engineered specifically for late 1999 (Serial No. 843990 and up) through 2003 Ford F-250, F-350, F-450, F-550, and E-Series vehicles powered by the 7.3L Powerstroke V8 diesel engine (and International T444E equivalents), the Alliant Power High-Pressure Oil Pump (Part # AP63624) provides a dependable, precision-rebuilt solution to resolve hard starting, rough idling, and loss of injection control pressure (ICP).
Built to meet or exceed strict original equipment specifications using entirely new internal seals and springs, this remanufactured pump restores proper hydraulic pressure to keep your fuel injectors firing consistently. Note: This unit requires an exchange core return and carries a refundable core deposit.
Key Features & Benefits
Remanufactured to OE Specs: Rebuilt under strict quality controls to ensure factory-level flow rates and dependable high-pressure performance.
All-New Internal Seals & Springs: Eliminates common internal leakage paths to maintain optimal Injection Control Pressure (ICP).
Multi-Point Operational Testing: Rigorously bench-tested under simulated vehicle operating conditions before packaging.
Direct[...]
Engineered specifically for late 1999 (Serial No. 843990 and up) through 2003 Ford F-250, F-350, F-450, F-550, and E-Series vehicles powered by the 7.3L Powerstroke V8 diesel engine (and International T444E equivalents), the Alliant Power High-Pressure Oil Pump (Part # AP63624) provides a dependable, precision-rebuilt solution to resolve hard starting, rough idling, and loss of injection control pressure (ICP).
Built to meet or exceed strict original equipment specifications using entirely new internal seals and springs, this remanufactured pump restores proper hydraulic pressure to keep your fuel injectors firing consistently. Note: This unit requires an exchange core return and carries a refundable core deposit.
Key Features & Benefits
- Remanufactured to OE Specs: Rebuilt under strict quality controls to ensure factory-level flow rates and dependable high-pressure performance.
- All-New Internal Seals & Springs: Eliminates common internal leakage paths to maintain optimal Injection Control Pressure (ICP).
- Multi-Point Operational Testing: Rigorously bench-tested under simulated vehicle operating conditions before packaging.
- Direct-Fit Replacement: Equipped with factory quick-connect hose fittings and includes a mounting gasket for straightforward installation.
- Industry-Leading Warranty: Backed by Alliant Power's robust 24-month, unlimited mileage warranty.
Technical Specifications
- Manufacturer / Brand: Alliant Power
- Manufacturer Part Number / SKU: AP63624 (Remanufactured High-Pressure Oil Pump)
- Product Type: Remanufactured HEUI High-Pressure Oil Pump (HPOP)
- Vehicle Compatibility: 1999.5–2003 Ford F-250 / F-350 / F-450 / F-550 & E-Series
- Engine Platform: 7.3L Powerstroke V8 Diesel (Late '99–03, ESN 843990 & Up)
- Core Requirement: Core exchange program applies (core deposit required at purchase, refunded upon return of rebuildable core).
- Warranty: Alliant Power 24-Month Unlimited Mileage Warranty
Vehicle Fitment & Technical Installation Notes
- 1999.5–2003 Ford Super Duty / E-Series – 7.3L Powerstroke Diesel
- Installation Tip: Clean the reservoir and HPOP mounting surface thoroughly. Prime the new pump with clean engine oil prior to final installation to prevent dry-start wear and air-lock issues.
Q
Matt • 03/16/2026, 3:19:14 PM
Is the pump new or rebuilt?
A
03/17/2026, 12:52:08 PM
It's a reman as it reuses the original casing.
Proposition 65 Warning Information -
P65Warnings.ca.gov
Fits: 7.3 Powerstroke 1994-2003
Fits: 7.3 Powerstroke 1994-2003
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Fits: 7.3 Powerstroke 1994-2003
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