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enhanced fuel pressure regulator spring kit for 2003-2007 f250, f350, f450, f550 - oe part # 3c3z9t517ag replacement logo

Enhanced Fuel Pressure Regulator Spring Kit for 2003-2007 F250, F350, F450, F550 - OE Part # 3C3Z9T517AG Replacement Review

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Revainrating 3.5 out of 5  
Rating 
3.6
🛢️ Fuel System, 🏎️ Performance Car Parts & Accessories

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Description of Enhanced Fuel Pressure Regulator Spring Kit for 2003-2007 F250, F350, F450, F550 - OE Part # 3C3Z9T517AG Replacement

Function: The fuel pressure regulator kit is used to fix the fuel leak problem and increase injector life and drive ability. This kit will increase the fuel pressure 10-15 PIS. It will give your vehicle a more fluent power delivery. Fitment: Fits 6.0 powerstroke F250, F350, F450, F550 Excursion model years from 2003-2007. Packing: The fuel pressure regulator kit includes a complete, ready to install kit with everything needed for installation on your 6.0 Powerstroke: blue spring upgrade, 4 rubber o-ring seals, 3 orifice seals, 4 screws, new fuel pressure regulator housing. A whole set of accessories to make the installation easy. Replace OE Part # : 3C3Z9T517AG. Warranty: 1-Year / 365-Days Unlimited Mileage Warranty.Your Purchase is Backed by our Rock-solid Satisfaction Guarantee.

Reviews

Global ratings 5
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Type of review

Revainrating 1 out of 5

Not properly processed.

The mold body included in the kit did not meet the requirements of the machine and was unusable. I just cleaned and reused the old case.

Pros
  • Pressure reducer and accessories
Cons
  • unreliable

Revainrating 2 out of 5

Bolts that are too small can damage the assembly if not careful

Should have bought a Ford part, it's a Chinese fake. The bolts are several thousand small sizes and if you're not careful they'll rip off your fuel filter assembly. It does not twist to specification. I used Ford screws, which came out and didn't "wiggle" when screwed in. Luckily they got it, I increased the idle pressure from 70psi to 80psi.

Pros
  • Pressure regulator
Cons
  • Almost never

Revainrating 5 out of 5

Easy Install & Fuel Pressure Booster

I have checked my pressure from 6.0 to 45psi and after installing this item it is a good 65psi so I can be sure it has made an improvement. I tested under load and never went below 50, so I'm very happy with this supplement. Easy installation, took about an hour after watching some YouTube videos. I've had to replace injectors before so I'm hoping this will help prevent another premature failure.

Pros
  • Automotive
Cons
  • Ugly Packaging