1999-2003 Powerstroke Replacement HPOP Lines (424003)

CNC-Fab Replacement High Pressure Oil Pump Lines deliver a permanent fix for tired, leaking OEM lines on Early 1999 to 2003 7.3L Powerstroke trucks. Built with Aeroquip hose and a DuPont Teflon liner, these up-sized 3/8" lines eliminate the failure-prone STC quick-connects at the heads and pump, while a 16,000 psi burst rating and 400°F working temperature give plenty of safety margin behind any HPOP and injector combo.

• Aeroquip hose with DuPont Teflon liner
• 16,000 psi burst rating, 400°F working temperature
• Nominal working pressure: 5,000 psi at 72°F, 3,000 psi at 400°F
• Up-sized 3/8" hose diameter for improved flow
• Eliminates the OEM STC quick-connect fittings at both heads and pump
• Approximately 4 dB reduction in engine noise vs. OEM lines
• Kit includes both hoses and all required fittings
• Made in the USA

• Pump Fittings: 28FT/LBS
• Head Fittings: 23FT/LBS
• Hose Ends: 21FT/LBS 
• Remove the spring checks in the pump under the stock fittings
• When installing, the disk check valves behind the HPOP fittings need to be removed

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