-25%
Click to zoom in
SKU: 10571 | UPC: 690092156206
Vibrant Flare Union 45 Degree Adapter Fitting – Size -4 AN
The Vibrant 10571 is the #1 selling 45 degree flare union adapter fitting in -4 AN size for custom fuel and oil systems. Precision-machined 6061 aluminum construction with smooth flow design delivers leak-free performance, easy assembly, and reliable connections the ultimate fitting upgrade for any high-performance or race plumbing build.
Key Features
- 6061 Aluminum Alloy – Lightweight and corrosion-resistant for long-lasting durability
- 45 Degree Flare Union – -4 AN to -4 AN with 45 degree bend for smooth routing in tight spaces
- Smooth Flow Design – Precision machined for minimal restriction and maximum efficiency
- Anti-Leak Seal – Engineered threads and sealing surface ensure zero leaks under pressure
- Anodized Black Finish – Sleek appearance with added protection against corrosion
Specs
| Spec | Detail |
|---|---|
| Part Number | 10571 |
| Brand | Vibrant Performance |
| Type | Flare Union 45 Degree Adapter |
| Size | -4 AN |
| Material | 6061 Aluminum Alloy |
| Finish | Anodized Black |
| Country of Origin | United States |
| Warranty | Vibrant Performance Limited Warranty |
Whats Included
- 1 x Vibrant -4 AN Flare Union 45 Degree Adapter Fitting
Product Notes
- Designed for fuel pumps, oil pumps, filters, and other common components
- Perfect for custom fuel lines, oil coolers, or turbo oil feed systems
- Lightweight and easy to install in tight spaces
Installation Notes
- Use proper thread sealant or tape on NPT side (if applicable)
- Estimated time: 5–15 minutes per fitting
- Torque to manufacturer specs to prevent leaks
This Part Fits
| Year Range | Make | Model | Trim / Engine | Notes |
|---|---|---|---|---|
| Universal | Universal | Custom Fuel/Oil Systems | -4 AN applications | Custom plumbing applications |
Why Choose Vibrant Performance Adapter Fittings?
- #1 choice for custom fuel and oil system plumbing
- Built & tested in the United States
- Chosen by racers and tuners for leak-free reliability and quality
Frequently Asked Questions
- Q: Is this fitting compatible with PTFE hose?
- A: Yes, works with PTFE-lined and standard AN hose.
- Q: Does it swivel?
- A: No, fixed 45-degree union design.
- Q: What thread sealant should I use?
- A: PTFE tape or liquid thread sealant recommended for NPT sides (if applicable).
Shipping & Handling
- Method: Ground UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Official Vibrant Performance retail box
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-...
View Fabrication Products
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...
View Fittings Products
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...
View Vibrant Products