2003-2004.5 FORD 6.0L POWER STROKE DIESEL ALUMINUM HIGH PRESSURE OIL PUMP With IPRRestore full injection pressure and eliminate hard start, stall, or no-start issues in your early-model 6.0L Power Stroke with this Remanufactured Aluminum High Pressure Oil Pump (HPOP) paired with a Remanufactured Injection Pressure Regulator (IPR) Valve. This combo is a direct-fit solution for 20032004.5 Super Duty and E-Series diesel trucks equipped with the HEUI injection system.The aluminum-body HPOP is specific to early 6.0L applications and has been completely remanufactured, pressure-tested, and fitted with new seals and hardware. It comes paired with a professionally remanufactured IPR valve to help regulate oil pressure sent to the injectors with pinpoint precision. Together, these components restore critical oil pressure control, ensuring reliable fuel delivery and injector performance.Aluminum Body Oil Pump – Fits Engine Serial Numbers up to 6,344,942(2004.5 and Later Pump is Cast Iron and Looks Total Different)Part numbers :OEM# 3C3Z9A543AARMOEM# 4C3Z9A543AARMDELPHI# HTP123BOSTECH PART# HPOP-123XWhats Included in the Kit:(1) Remanufactured Aluminum High Pressure Oil Pump (HPOP)(1) Remanufactured Injection Pressure Regulator (IPR) Valve(1) Mounting Gasket(1) Pre-installed Fittings(1) Set of O-rings and SealsThis is a direct bolt-on kit designed for trucks built before 9/22/2003. Always verify HPOP type before purchase.Features & Benefits:Remanufactured to OEM standards with high-pressure testingAluminum body pump ideal for early 6.0L Powerstroke enginesIncludes pre-installed reman IPR valve for seamless oil pressure controlFixes cold start, stalling, surging, and injector misfire problemsIncreases overall fuel injection system reliability and performancePrevents low pressure errors and intermittent driveability issues100% inspected and tested for leak-free operationIncludes gasket, fittings, and seals for installationIdeal for preventive maintenance or full system restorationBacked by professional remanufacturing quality and durabilityTruck Compatibility / Applications:Fits the following 20032004.5 Ford trucks and vans equipped with the 6.0L Powerstroke Diesel engine:20032004 Ford F-250 / F-350 / F-450 / F-550 Super Duty20032004 Ford Excursion 6.0L Diesel20032004 Ford E-250 / E-350 / E-450 VansCompatible with engines manufactured before September 22, 2003, which use the aluminum-style HPOP.This remanufactured HPOP and IPR kit is a reliable fix for oil pressure delivery issues in early 6.0L Powerstroke engines. Whether youre replacing a failing pump or restoring full fuel injection functionality, this kit delivers dependable performance and value.Shipping Disclaimer: We ship via USPS, UPS, and FedEx. Carrier selection is based on package size, weight, and destination. Expedited shipping options is available, call to check freight options Orders are processed within 1 business day (MondayFriday). Orders placed on weekends or holidays will be processed on the next business day. Tracking information will be provided once the item ships. Shipping to PO Boxes, APO/FPO may be limited based on carrier restrictions.California Proposition 65 Warning:This product may expose you to chemicals including lead, cadmium, and petroleum-based substances, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit: www.P65Warnings.ca.govNOTE: $300 CORE CHARGE DEPOSIT FOR PUMP & IPR ORDERED.THIS WILL BE REFUNDED UPON RECEIVING THE ORIGINAL CORE.CORE:RETURNEDCORES MUST BE EXACTLY THE SAME TYPE CORE FOR 100% CORE REFUND.THESE UNITS ARE DIFFICULT TO SOURCE AND ITS VITAL TO BDD TO GET CORES RETURNED.NO CORE CREDIT WILL BE ISSUED FOR THE FOLLOWING:NO REFUNDS FOR PHYSICALLY DAMAGED CRACKED, MELTED OR BROKEN BODY. MUST BE A GOO