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SKU: 29704 | UPC: 690092174040
Vibrant Performance Female AN Plastic Plug AN-4 Universal 1900-Present All Vehicles
Vibrant Performance Female AN-4 Plastic Plugs seal fuel oil brake lines and hoses on cars trucks and race vehicles. These nylon caps thread onto any standard 7/16-20 UNF male AN-4 flare or straight ports for complete protection during storage fabrication or maintenance. Lightweight design at 0.05 lbs prevents dust debris and contamination keeping systems clean and ready for action.
Key Features
- AN-4 Female Thread: 7/16-20 UNF sizing threads securely onto male AN-4 fittings for reliable port sealing
- Nylon Plastic Build: Durable material weighs only 0.05 lbs resists fuels oils chemicals and corrosion
- Universal Port Compatibility: Fits 37° AN flare fittings and straight thread AN ports in all performance applications
- Blue Color Coding: Matches Vibrant Performance fittings for easy identification in crowded engine bays
- Debris Protection: Fully seals ports to block dirt contaminants during builds storage or service
Product Notes
- Use for capping during storage or non-pressurized applications only
- Inspect threads before installation for best seal
- Small lightweight part fits easily in tool kits
Installation Notes
- Professional installation recommended.
- Hand tighten 3/4 turn past snug for proper seal
- Compatible with all standard AN-4 male adapters and hose ends
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1900-Present | Universal | All Vehicles | AN-4 Flare/Straight Ports |
Why Choose Vibrant Performance?
- Trusted name in motorsports fabrication for decades
- High-grade materials built for racing durability
- Precision threads deliver leak-free connections
Frequently Asked Questions
-
Q: Does this plug fit standard AN-4 male fittings on fuel lines?
A: Yes it threads onto 7/16-20 male AN-4 flare or straight ports found on most performance hoses -
Q: What material is used and is it fuel safe?
A: Durable blue nylon plastic resists gasoline oil and brake fluid without corroding -
Q: What warranty applies and is installation simple?
A: Vibrant provides manufacturer defect coverage hand-tighten only no tools required
Shipping & Handling
- Method: UPS Ground or USPS First Class
- Availability: In stock - ships same or next business day
- Packaging: Poly bag in 3 x 3 x 1 inch box
- Weight: 0.05 lbs
Fabrication
Shop Fabrication Parts and Materials at Black Ops Auto Works for stainless steel tubing, titanium tubing, aluminum charge piping, mandrel bends, V-band clamps, flanges, merge collectors, AN fittings, PTFE hose kits, braided fuel and oil lines, heat shields, welding supplies, brackets, bungs, and hardware for building custom exhaust systems, turbo plumbing, intercooler piping, and fuel system routing. Start with tubing in stainless, titanium, or aluminum in the right diameter and wall thickness, then add mandrel bends, flanges, V-bands, and clamps to complete the joint work. Black Ops Auto Works carries 5,866 fabrication SKUs from Vibrant Performance, Ticon Industries, Stainless Bros, Radium Engineering, Fragola, DEI, and ATP Turbo. Why Custom Fabrication Custom fabrication solves fitment problems that no universal or pre-bent kit can address. Raw tubing, flanges, and fittings give the fabricator freedom to route exhaust around a turbo, snake charge pipe around accessories, hard-...
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Fittings
AN, NPT, and metric fittings for fuel, oil, cooling, brake, power steering, and intercooler systems are stocked at Black Ops Auto Works. Shop hose ends, swivel fittings, bulkhead adapters, elbow fittings, unions, tees, reducers, port plugs, banjo fittings, and thread adapters for HEMI, Hellcat, Trackhawk, TRX, LS, LT, Coyote, EcoBoost, 2JZ, and turbocharged or supercharged builds. Every product is filterable by size, thread type, and application so the correct fitting ships the first time. Black Ops Auto Works carries 2,252 fitting SKUs across AN hardware, NPT adapters, banjo fittings, and specialty plumbing hardware. What This Category Covers The Fittings collection covers the connective hardware that joins hoses, hard lines, and components across fuel, oil, cooling, brake, and forced induction plumbing. Fittings determine whether a fluid system stays leak free under the pressure, heat, and vibration loads found in performance street and race applications, so correct thread typ...
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Vibrant
Vibrant Performance parts for custom exhaust, turbo builds, and fabrication projects are stocked at Black Ops Auto Works. Shop clamps, V-band flanges, mandrel bends, silicone couplers, wideband bungs, catalytic converters, resonators, tips, mufflers, oil catch cans, AN fittings, hoses, wastegate flanges, and fuel system fittings for street, race, drift, and off-road builds. Every product is filterable by size, material, and fitting type so the correct part ships the first time. Black Ops Auto Works carries 3,096 Vibrant Performance SKUs across exhaust fabrication, forced induction plumbing, and fuel system hardware. What This Brand Covers Vibrant Performance manufactures exhaust and fabrication parts for DIY custom exhaust, turbo builds, and general fabrication work. The catalog spans stainless mandrel bends and V-band flanges for exhaust construction, silicone couplers and hump hoses for intercooler and intake plumbing, and AN fittings and PTFE hose for fuel and oil systems. Fa...
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