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
146 Reviews Hide Reviews Show Reviews
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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
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O rings
Great product! Very good o rings
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Riffraff always comes through!
I placed a large order of 7.3L parts and mistakenly ordered the fuel bowl reseal kit for a 6L, Clay hooked me up with the correct kit well after the normal return policy timeline! Thanks!
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Complete fuel bowl rebuild kit
Quality kit for rebuilding your fuel bowl
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Quality Seals
This kit fixed my leaks and got me back on the road. Quick shipping from Riffraff as always.
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Great product
Great product and support. Top quality parts and shipped quickly.






