SKU: 16821 | UPC: 690092152109
Vibrant -4AN Flare to AN Straight Cut Thread (7/16-20) w/ O-Ring Adapter Fitting
This adapter fitting joins -4AN hose ends to components featuring 7/16-20 straight cut threads with O-ring seals. It works with most oil pumps fuel pumps fuel filters and other performance parts for reliable plumbing connections. The design ensures smooth fluid flow and a secure leak-free seal in automotive systems.
Key Features
- 6061 Aluminum Construction: Lightweight durable material resists corrosion for long-lasting performance in fuel and oil applications
- Anodized Black Finish: Protects against wear provides professional appearance and available in black only
- O-Ring Seal: Creates tight anti-leak connection on 7/16-20 straight threads preventing fluid loss under pressure
- Straight Design: 1.060 inch overall length allows compact installation with unrestricted flow
- Universal Compatibility: Fits popular Melling oil pumps Holley fuel pumps Aeromotive filters and similar 7/16-20 ORB ports
Product Notes
- Designed for performance fuel oil and coolant plumbing systems
- Inspect O-ring before installation replace if damaged
- Ships in clamshell packaging for protection
Installation Notes
- Professional installation recommended.
- Lubricate O-ring with oil before threading into port torque to 20-25 ft-lbs
- Compatible with standard AN hose ends no additional adapters needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | – | Oil Pumps Fuel Pumps Filters | 7/16-20 ORB Ports |
| Universal | – | Performance Vehicles | Melling Holley Aeromotive |
Why Choose Vibrant?
- Established leader in performance plumbing components
- Precision machined for consistent quality and fit
- Engineered for high-pressure reliability in racing applications
Frequently Asked Questions
- Q: What ports does this adapter fit?
A: Fits 7/16-20 ORB female ports on Melling oil pumps Holley Sniper fuel pumps and most aftermarket fuel filters regulators - Q: What is the material and finish?
A: Made from 6061 aluminum alloy with black anodized coating for durability and style - Q: Does it require sealant during install?
A: No the O-ring provides the seal just clean threads lubricate O-ring and torque properly
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Clamshell pack 3 x 2 x 1 inches
- Weight: 0.06 lbs





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