Vibrant Performance 16821 -4 AN Male Flare to -4 AN Male O-Ring Adapter Fitting

The Vibrant Performance 16821 straight adapter fitting connects a -4 AN male flare port to a -4 AN male O-ring boss (ORB) port. It provides a reliable way to transition between common AN and ORB connection styles in fuel, oil, coolant, and other compatible fluid systems. The compact straight design helps maintain a clean installation path while supporting efficient hose and line routing.
Constructed from durable aluminum, this adapter is designed for dependable performance in demanding automotive, racing, and custom fabrication applications. The black anodized finish adds corrosion resistance and provides a clean, professional appearance. Precision-machined threads promote accurate engagement and help create a secure connection when installed with compatible components and proper assembly practices.
The Vibrant Performance 16821 is sold individually and is suitable for builders, fabricators, and technicians who need a high-quality -4 AN male flare to -4 AN male ORB adapter. Verify thread standards, sealing requirements, fluid compatibility, and system pressure specifications before installation. Use appropriate installation procedures and avoid over-tightening, which may damage threads or sealing surfaces.

Features:

• Brand: Vibrant Performance

• Part Number: 16821

• Fitting Type: Straight adapter

• Connection 1: -4 AN male flare

• Connection 2: -4 AN male O-ring boss (ORB)

• Material: Aluminum

• Finish: Black anodized

• Application: Fuel, oil, coolant, and compatible fluid systems

• Quantity: Sold individually