SKU: 11278 | UPC: 690092175849
Vibrant Male NPT to Hose Barb Straight Adapter Fitting – 1/2in NPT to 1/2in Hose
Vibrant Performance Male NPT to Hose Barb Adapters are lightweight and constructed from 6061 Aluminum Alloy. The Vibrant 11278 features a 1/2″ NPT male thread to 1/2″ hose barb straight design, delivering quality, reliability, smooth flow, ease of assembly, and a secure anti-leak seal. This adapter fits most popular oil pumps, fuel pumps, fuel filters, coolant lines, vacuum lines, and a wide range of other common components in automotive, marine, or industrial applications. The black anodized finish provides corrosion resistance and a sleek appearance. Ideal for custom fuel/oil/coolant routing, gauge installations, or any setup requiring reliable NPT-to-hose connections with smooth flow and leak-free performance.
Key Features & Benefits
- 6061 Aluminum Alloy – Lightweight, high-strength, and corrosion-resistant construction
- 1/2″ NPT Male to 1/2″ Hose Barb – Straight design for smooth flow and easy hose connection
- Black Anodized Finish – Durable coating for protection and premium underhood look
- Precision Machining – Tight tolerances ensure leak-free sealing and reliable fit
- Vibrant Performance Quality – Trusted in motorsports and custom builds worldwide
| Specification | Detail |
|---|---|
| Part Number | 11278 |
| Brand | Vibrant Performance |
| Thread Size | 1/2″ NPT male |
| Hose Barb Size | 1/2 inch |
| Material | 6061 Aluminum Alloy |
| Finish | Black anodized |
| Design | Straight adapter |
| Application | Fuel, oil, coolant, vacuum, gauge connections |
Whats Included
- One Vibrant 1/2″ NPT male to 1/2″ hose barb straight adapter fitting
Product Notes
- Perfect for fuel pump outlets, oil pressure sensors, coolant lines, or vacuum routing
- Black anodized finish resists corrosion and matches black anodized components
- Use with appropriate hose clamps and thread sealant on NPT side for leak-proof setup
- Lightweight aluminum alternative to steel adapters for reduced weight
- Vibrant Performance leading brand in performance plumbing and fittings
Installation Notes
- Estimated time: 5-15 minutes
- Apply thread sealant or PTFE tape to 1/2″ NPT male end
- Screw into component (e.g., pump or gauge) and tighten to spec
- Slide hose over 1/2″ barb and secure with clamp
- Check for leaks after system pressurization
- Professional installation recommended for high-pressure systems
This Part Fits
| Year Range | Make | Model | Engine | Notes |
|---|---|---|---|---|
| Universal | Universal | Universal | Universal | 1/2″ NPT to 1/2″ hose barb connections – fuel, oil, coolant, vacuum, gauge adapters |
Why Choose Vibrant NPT to Hose Barb Adapters?
- Precision-machined 6061 aluminum for reliable, leak-free connections
- Black anodized finish adds style and corrosion protection
- Smooth bore ensures unrestricted flow in fuel/oil/coolant systems
- Vibrant – trusted brand in performance plumbing and custom builds
Frequently Asked Questions
- Q: Will this fit my fuel pump outlet?
A: Yes, 1/2″ NPT male end screws into common fuel pumps/gauges; 1/2″ barb connects to hose. - Q: Do I need thread sealant on the NPT side?
A: Recommended use PTFE tape or liquid thread sealant for leak-proof connection. - Q: Is the finish black anodized?
A: Yes, black anodized only for corrosion resistance and matching black components.
Shipping and Handling
- Method: UPS / FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure protective packaging
- Weight: Approx. 0.2-0.5 lbs (single adapter)






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