Shopping Cart

Your cart is empty.

Your cart is empty.

6.0 Blue Spring Kit Upgrade - Fuel Injection Pressure Regulator Kit - Fits for 2003 2004 2005 2006 2007 F250, F350, F450, F550 Replaces# 3C3Z-9T517-AG, 3C3Z9T517AG

Free shipping on orders over $29.99

$12.99

$ 6 .99 $6.99

In Stock
  • 【Function】This 6.0 Blue Spring Upgrade Kit Helps Increase the Fuel Pressure of the Injectors to Improve Performance. Increase Fuel Pressure by 10-15psi to Extend the Life of your Ford 6.0 Powerstroke's Fuel Injectors.
  • 【Compatible】Fit for 2004-2010 Ford E350/E450; 2003-2005 Ford EXCURSION; 2003-2007 Ford F250/F350/F450/F550; 2004-2008 Ford F650/F750.
  • 【Replaces#】3C3Z-9T517-AG, 3C3Z9T517AG.Please Check the OEM Part Number and Make Sure Your Part Number Matches this Part Number Before Buying!
  • 【Premium Quality】Made of High Quality Material. Tested & Certified to Meet or Exceed OEM Quality Standards.All Products are 100% Tested Before Leaving the Factory.
  • 【12-Month Warranty】The Fuel Regulator Kit come with 12 Months Warranty. Hassle-free Return and Refund Policy. Please Buy it with Your Confidence.


Advantage:
Made of High Quality Material.
Tested & Certified to Meet or Exceed OEM Quality Standards.

Replace Part Number:
3C3Z-9T517-AG, 3C3Z9T517AG

Compatible :
2004-2010 Ford E350/E450
2003-2005 Ford EXCURSION
2003-2007 Ford F250/F350/F450/F550
2004-2008 Ford F650/F750

Warranty:
The Fuel Regulator Kit come with 12 Months Warranty.
hassle-free Return and Refund Policy.

Please Buy it with Your Confidence.


B
Reviewed in the United States on February 4, 2025
If I could give zero stars, I would. This kit is made with inferior materials. The cover is very brittle, and two of the screws broke off! Now the oil/fuel housing needs to be replaced! The screws can’t be drilled out in that area because there’s not enough metal to do that repair without cracking it. Do not buy!
Scott
Reviewed in the United States on January 5, 2025
I basically bought this for the replacement o-rings and the larger spring. All the o-rings fit my existing hardware just fine and the spring is as expected. The housing and stuff are okay. But after reading reviews on other avaliable similar parts, I decided to clean up mine oe parts and refuse them.
Customer
Reviewed in the United States on September 3, 2024
the kit did not work properly after installation fuel pressure was only 45 psi. i installed a factory ford kit and it was 61 psi
Robert Hunt Sr.
Reviewed in the United States on December 6, 2024
1st one began leaking within a year, bought another and has lasted for 2 years so far.
Billy
Reviewed in the United States on January 17, 2024
for me it was easy to install with me being a diesel mechanic but i would say for someone with the basic mechanical skill it can be done easily
Roger
Reviewed in the United States on August 7, 2023
I didn’t use the spring it was larger than stock spring and felt it could possibly increase fuel pressure to much. Everything thing else fit perfectly and worked great
Jerry E
Reviewed in the United States on March 8, 2023
All the parts I needed to replace
cristian aguilar
Reviewed in the United States on February 1, 2023
Cant say spring is or isnt working. There definitelyis a difference tho.. housing had too much casting sand texture to allow for a proper o ring seal, I had to re use the old housing.
Recommended Products

$65.45

$ 30 .99 $30.99

4.3
Select Option

$153.95

$ 63 .99 $63.99

4.4
Select Option