Complete Fuel Bowl Seal Kit w/ Fluorosilicone Drain Orings 99-03

Part Number:
GZ-7-003

Manufacturer:

$22.98
(131 reviews) Write a Review
Complete Fuel Bowl Seal Kit w/ Fluorosilicone Drain Orings 99-03
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Complete Fuel Bowl Seal Kit for Ford 7.3L (99-03) - GZ-7-003

11 Viton o-rings and 4 Parker® fuel sleeves. 2 Fluorosilicone o-rings for the 7.3 yellow fuel drain valve core to fix your 7.3L Fuel Leak.

  1. 1 o-ring for the drain valve stem
  2. 2 o-rings for the drain valve to bowl seals
  3. 2 o-rings for the Water-in-Fuel sensor/Fuel Heater
  4. 1 o-ring for the Fuel Pressure Regulator housing
  5. 1 o-ring for the regulator piston bushing
  6. 2 o-rings for the fuel back check piston assembly
  7. 2 o-rings for bowl plugs
  8. 2 - 1/4" sleeves for the fuel lines feeding the cylinder heads
  9. 1 - 5/16" sleeve for the fuel return line
  10. 1 - 3/8" sleeve for the fuel feed line.

Order of 1 is a set of 11 o-rings and 4 sleeves.

NOTE: This kit does not contain the REGULATOR POPPET SEAT. This is a separate kit only available as a FORD kit. The Regulator Rebuild kit can be purchased separately as F81Z9B249BB on our website.
NOTE: If you remove the fuel rail lines from the cylinder heads, this kit contains the fuel sleeves for the filter bowl ends only. It is recommended to also replace the sleeves on the cylinder head end of the fuel rail lines once they have been removed as they will no longer seal properly.  Order part GZ-7-004 to supplement this kit.

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O-ring Identification Chart - Click Here

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131 Reviews Hide Reviews Show Reviews

  • 5
    Complete fuel bowl rebuild kit

    Posted by Chris on Apr 22nd 2025

    Quality kit for rebuilding your fuel bowl

  • 5
    Quality Seals

    Posted by Josh Demello on Mar 23rd 2025

    This kit fixed my leaks and got me back on the road. Quick shipping from Riffraff as always.

  • 5
    Great product

    Posted by Lonnie on Mar 11th 2025

    Great product and support. Top quality parts and shipped quickly.

  • 5
    Fuel bowl onrings

    Posted by Adrian Dominguez on Mar 6th 2025

    Great product. I have used about seven of these kits on different customers trucks, and none have come back with any leaks. This is a complete kit with everything you need for a complete ceiling of your fuel canister, fuel line sleeves. I recommend this product.

  • 5
    Fuel bowl rebuild

    Posted by William on Feb 14th 2025

    So pleased with this product I can’t barely tell you. I purchased a 2002 7.3 a couple months back and it stunk of fuel every which way. Tried a new filter and cleaning out the bowl and that was no help. Went with the full kit of new seals and a new drain and it’s dry as bone around the whole housing and valley and it smells as good as a brand new gasser would!! Thanks yall

  • 5
    Great product fast shipping

    Posted by Erik b on Dec 23rd 2024

    Having this oring kit complete instead of piecing it together makes it very convenient. Shipping was on par for a package this small

  • 5
    no leaks

    Posted by NM on Dec 5th 2024

    no leaks, good parts.

  • 5
    Complete fuel bowl reseal kit

    Posted by JASON DELOOZE on Nov 16th 2024

    Resealing the fuel bowl just cuz it needs to be done probably no issues but it's getting old.

  • 5
    complete fuel bowl seals

    Posted by David on Oct 10th 2024

    All fit like they should, No more leaks!