Description
The OneFastShop 7.89mm Quick Connect Fuel Fitting provides a leak-proof, OEM-quality connection for any 39mm barbed fuel pump outlet, including the popular Walbro 450, 525, and 535 series.
This CNC-machined 6061 aluminum fitting features a precision black anodized finish for corrosion resistance and compatibility with all fuel types, including ethanol (E85). The included Viton O-ring and stainless steel locking clip ensure a secure, reusable seal under high fuel pressure, eliminating the need for hose clamps or permanent modifications.
Designed for both performance builds and daily drivers, this fitting makes pump installation cleaner, safer, and more reliable.
Key Features
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CNC-machined from 6061 aluminum for strength and precision
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Black anodized finish for long-term corrosion resistance
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Compatible with any 39mm barbed fuel pump (Walbro 450/525/535 and others)
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7.89mm OEM quick connect – fits factory-style fuel lines
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Includes Viton O-ring and stainless locking clip
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Installs with no clamps, no modifications
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Fully reusable design – supports multiple installs
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Works with all fuels, including E85
Technical Specs
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Size: 7.89mm quick connect
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Material: CNC-machined 6061 aluminum, black anodized
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O-ring: Viton (E85 safe)
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Compatibility: All 39mm barbed fuel pumps (Walbro F90000267, F90000274, F90000285, etc.)
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Reusable: Yes – designed for multiple installations
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Fuel pump not included
Why Choose OneFastShop?
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Clamp-Free Install – OEM-style fitment without hose clamps
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Leak-Free Performance – Viton seal prevents leaks under high pressure
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Universal 39mm Fitment – works across Walbro and other 39mm pumps
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Race-Proven Reliability – ethanol-ready, built for street and track use
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