CNC Fabrication HPOP Lines and HPX Kit (CNC424004) for 1999-2003 Powerstroke 7.3L
$236.20
CNC424004 HPOP lines and HPX kit for 1999–2003 7.3 Powerstroke. Improves oil flow, balances pressure, and increases reliability.
CNC424004 HPOP Lines and HPX Kit for 1999–2003 Powerstroke
The CNC424004 HPOP lines and HPX kit is designed for 1999–2003 7.3L Powerstroke engines that need stronger oil delivery and improved system balance. This kit replaces the factory high pressure oil pump lines and adds a high-pressure crossover hose to equalize oil pressure between both cylinder heads.
Because the HEUI system depends on stable oil pressure, this upgrade helps the engine run smoother and more consistently.
Balances Oil Pressure Between Cylinder Heads
The factory system feeds each head independently. However, pressure can vary from side to side under load.
The included HPX hose connects both heads and equalizes pressure. As a result, injectors receive a more consistent oil supply, which improves engine operation.
Upgraded HPOP Line Construction
This kit includes upgraded braided stainless steel HPOP lines. These lines handle heat and pressure better than aging factory components.
In addition, the stronger construction reduces the risk of leaks and line failure over time.
Improved Engine Operation
Balanced oil pressure improves injector performance. Because of that, the engine runs smoother and produces less injector noise.
You may notice:
- Smoother idle
- More consistent throttle response
- Reduced injector chatter
Built for High Pressure Systems
High pressure oil systems operate under extreme conditions. Therefore, weak lines or uneven pressure can lead to drivability issues.
This kit improves both durability and oil distribution, which supports long-term reliability.
Direct Replacement Installation
The CNC424004 installs in place of the factory HPOP lines. The HPX hose integrates into the system without major modification.
Because of that, installation remains straightforward for most users.
Designed for the 7.3L Platform
This kit targets common failure points found in 7.3L Powerstroke engines. It improves both oil flow and system balance.
Fitment
- 1999–2003 Ford Powerstroke 7.3L
- Includes HPOP lines and HPX crossover hose
Related Parts (Same Platform)
Browse more 7.3L upgrades here:
https://reviewdiesel.com/product-category/7-3l-powerstroke/
Built to Fix Line Failure and Pressure Imbalance
Factory HPOP systems develop weak lines and uneven pressure over time. The CNC424004 solves both problems and helps keep your 7.3L running consistently.
| Weight | 2 lbs |
|---|---|
| Dimensions | 16 × 3 × 3 in |
| Manufacturer |
Fitment
1999-2003 Powerstroke 7.3L
Features
-
- All new Genuine Parker Triplelok fittings
- DuPont Teflon lining just like OEM
- Burst pressure rating of 16,000psi
- Working temperature rating of 400 degrees Fahrenheit
- Nominal working pressure is 5000psi
- High quality Viton™ o-rings
MADE IN THE USA
Installation
- These line will route different than OEM. Driver side will route just like the 99-03 models, which means it will now route to the second oil galley port and go around the engine lifting eyelet. The passenger side line will arch slightly over the front fuel bowl lid. This will not hinder the removal of the fuel filter. The HPX line will route just like the 99-03 trucks also (which is the third set of oil galley ports back starting from the front of the vehicle)
- Pump Fitting Torque 28 ft/lbs.
- Head Fitting Torque 23 ft/lbs.
- Hose Ends Torque 21 ft/lbs.
- Remove the spring checks in the pump under the stock fittings
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