2003-2004.5 FORD 6.0L POWER STROKE HIGH PRESSURE OIL PUMP HPOP DISCHARGE TUBE 3C3Z9T288-AA
Restore proper oil pressure and injector performance in your 6.0L Powerstroke with this High Pressure Oil Pump (HPOP) Discharge Tube, specifically designed for 2003–early 2004.5 Ford Super Duty trucks. This critical oil line connects the HPOP to the branch tube, enabling high-pressure oil to reach your injectors through the HEUI system.
Manufactured with durable materials to handle extreme pressures and temperatures, this discharge tube is ideal for replacing cracked, leaking, or failed OE lines. A must-have for HPOP repairs or upgrades, especially during oil pump replacements or top-end rebuilds.
What’s Included in the Kit:
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(1) HPOP Discharge Tube
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(2) High-pressure oil line fittings (if applicable based on style)
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(1) Installation instructions (if provided by manufacturer)
Does not include STC fitting or branch tube — verify year-specific compatibility before ordering.
Features & Benefits:
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Direct replacement for 2003–early 2004.5 HPOP discharge lines
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Designed for early-style 6.0L HPOP systems with J-tube fitting
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Heavy-duty construction resists oil pressure fatigue
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Ensures proper oil delivery to injectors
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Fixes hard start, no-start, and low oil pressure codes
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Recommended when replacing the high-pressure oil pump
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Restores full injector actuation and engine performance
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Installs with standard hand tools – no tuning required
Truck Compatibility / Applications:
Fits the following early 6.0L Powerstroke diesel models:
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2003 Ford F-250 / F-350 / F-450 / F-550 Super Duty (6.0L Diesel)
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Early 2004 Ford F-250 / F-350 / F-450 / F-550 Super Duty (6.0L Diesel)
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2003–2004.5 Ford Excursion 6.0L Diesel
For model year 2004.5 and newer trucks with updated STC fittings, use the later-style HPOP tube.
The HPOP discharge tube is a critical oil line that allows high-pressure oil to reach the injectors on 2003–2004.5 6.0L Powerstroke engines. This direct-fit replacement ensures proper oil system function, injector operation, and reliable starting performance.
Shipping Disclaimer:
✔️ We ship via USPS, UPS, and FedEx.
✔️ Carrier selection is based on package size, weight, and destination.
✔️ Expedited shipping options are available at checkout.
✔️ Orders are processed within 1 business day (Monday–Friday).
✔️ 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, chromium, and petroleum-based substances, known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit: www.P65Warnings.ca.gov
Interchange Part Numbers:
3C3Z-9J323-AA, 3C3Z9J323AA, AP63416, 904-198, F81Z-9J323-AA
