3mirrors 7.3L Powerstroke HPOP Hose & Crossover Replacement Kit — 1999–2003 Super Duty/E-Series, Viton O‑rings, 5800 PSI

3mirrors high-pressure oil pump (HPOP) hose and crossover replacement kit is a complete, vehicle-specific set of hoses and fittings designed to restore reliable high-pressure oil flow on 1999–2003 Ford 7.3L Powerstroke Super Duty and E-Series trucks.

If your 7.3L Powerstroke is showing symptoms of HPOP leaks, poor oil pressure delivery, or worn rubber lines, this kit provides a direct-fit replacement engineered to the original routing and performance specifications. The components are manufactured to withstand extreme temperatures and pressures typical of high-pressure oil systems used on turbocharged diesel engines.

How does this kit match my 1999–2003 Ford 7.3L Powerstroke?

The kit is purpose-built for 1999–2003 Ford Excursion, F250, F350, F450, F550 Super Duty trucks and all 1999-up E-Series with the 7.3L Powerstroke. Each hose and fitting follows factory length, connection type, and bend angles to ensure a snug, no-modification install.

• Direct-fit hoses and crossover designed for 1999–2003 Powerstroke routing
• Compatible with standard factory ports and mounting locations
• Elbow pipe-end design minimizes joints and potential leak points
• Includes required fittings and Viton O-rings for sealing

What pressure, temperature, and materials performance can I expect?

These hoses are engineered to handle professional-level HPOP requirements: a 3/8" inner diameter with a working pressure rating up to 400 bar (5,800 PSI) and burst resistance far beyond typical operating loads. Materials and construction are chosen for heat, oil, and abrasion resistance to extend service life under heavy-duty use.

• Working pressure: 400 bar / 5,800 PSI; burst: 1,600 bar / 23,200 PSI
• Operating temperature range: -50°F to +259°F (-46°C to 126°C)
• Eaton GH781-06 dual metal braided hose for structural strength
• Viton O-rings and JIC37 fittings for chemical resistance and secure seals

How does the design reduce installation time and future leaks?

The kit uses a refined elbow pipe-end layout with fewer joints, which lowers the number of individual seals and connection points subject to failure. Clean routing and factory-style fittings make the install more straightforward, so you spend less time wrestling hoses and more time back on the road.

• Elbow pipe-ends reduce bends and mating surfaces
• Fewer joints equals lower leak risk and simpler assembly
• Pre-measured lengths and fittings match factory geometry
• Supplied Viton O-rings included for proper sealing on reassembly

Who is this for? This 3mirrors HPOP hose and crossover kit is aimed at owners, mechanics, and fleet technicians working on 1999–2003 Ford 7.3L Powerstroke trucks who need a rugged, direct-replacement solution for worn or leaking high-pressure oil lines. It’s also suitable for shops performing routine HPOP maintenance or upgrades that require reliable hose ratings, professional-grade fittings, and a fit that mirrors factory routing without costly modifications.