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 o-ring for the drain valve stem
- 2 o-rings for the drain valve to bowl seals
- 2 o-rings for the Water-in-Fuel sensor/Fuel Heater
- 1 o-ring for the Fuel Pressure Regulator housing
- 1 o-ring for the regulator piston bushing
- 2 o-rings for the fuel back check piston assembly
- 2 o-rings for bowl plugs
- 2 - 1/4" sleeves for the fuel lines feeding the cylinder heads
- 1 - 5/16" sleeve for the fuel return line
- 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.
O-ring Identification Chart - Click Here
142 Reviews Hide Reviews Show Reviews
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Fuel bowl seal kit 99-03
Good quality orings would buy again 100%
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Fuel Bowl O'ring kit
Finally a good set of proper o'rings and a size chart with descriptions! Quickly rebuilt my leaking fuel bowl and no leaks after two weeks.
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Works as intended
High quality, everything fits and seals up as intended.
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Complete kit, high durability, easy installation
Complete seal kit for injection pump fuel bowls, including fluorosilicone O-rings resistant to modern fuels. Keeps your fuel system leak-free and reliable.
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O ring fuel filter replacement
The O ring replacement was very easy. Instructions supplied were comprehensive. Great value for the money.
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Muy Mucho More Gooder
Clay and his team are the BOMB. The online instructions were on point with what we've come to expect from RiffRaff. The icing on the cake was the o-ring inventory print out included with the product that has ACTUAL size images of each o-ring printed on it to take the guess work out of which one goes where. Thanks Clay and the team for all that you do to keep our machines running strong!
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Fuel bowl rebuild kit
The best kit I've found yet. Fast service and recivced fast. Will order more parts from this company.
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All part worked as they should
Parts are getting limited. So maybe buy more then one kit as back up, being as cheap as the kit is, it's a no Brainerd, however I wish I did
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Great product
Great price and worked as they shoukd






