Aeromotive AN-08 O-Ring Boss Slim Line Port Plug, Part Number 15618

More area and smoother transitions from the inlet to the outlet, resulting in less restriction than any other fitting line. The Aeromotive line of custom fittings, adapters and hose-ends are a step above the norm, offering uncompromised fuel flow and positive sealing. Constructed of 6061 T6 aircraft grade aluminum or stainless steel, each component is CNC-machined for precision fit and unmatched flow. All billet aluminum fittings are anodized Type II bright dip black for corrosion protection and unrivaled aesthetics. We offer a complete line of hard to find fittings from OEM specific connections to AN adapters.?All Aeromotive fittings and adapters are fully compatible with gasoline and alcohol based fuels. AN-08 O-ring Boss - Slim Line - Port Plug. Port Plug

The Aeromotive AN-08 O-Ring Boss Slim Line Port Plug is designed to securely seal unused AN-08 O-ring boss ports in high-performance fuel systems. Its streamlined design supports smooth transitions through the fitting and helps minimize restriction compared with conventional fitting designs. This port plug provides a dependable sealing solution for custom fuel system layouts, adapters, and other applications requiring a compact, precision-machined closure.

Manufactured from high-quality 6061-T6 aircraft-grade aluminum, the Aeromotive 15618 is CNC-machined for accurate fitment, reliable thread engagement, and consistent performance. The billet aluminum construction features a Type II bright-dip black anodized finish that helps protect against corrosion while providing a clean, professional appearance. Its positive O-ring boss sealing design helps prevent leaks when properly installed with a compatible O-ring and correctly torqued connection.

Compatible with gasoline and alcohol-based fuels, this Aeromotive port plug is suitable for custom automotive fuel systems and performance applications. It is intended for use with AN-08 O-ring boss ports and is not intended as a carburetor-approved component. The package includes one Aeromotive AN-08 O-ring boss Slim Line port plug. Verify port configuration and application requirements before installation.

Product Specifications and Technical Data

• Brand: Aeromotive
• Part Number: 15618
• Fitting Type: O-ring boss port plug
• Connection Size: AN-08
• Product Series: Slim Line
• Material: 6061-T6 aircraft-grade aluminum
• Finish: Type II bright-dip black anodized
• Fuel Compatibility: Gasoline and alcohol-based fuels

What's Included

• One Aeromotive AN-08 O-ring boss Slim Line port plug

Features:

• Smooth-Flow Design: Provides a larger internal flow area and smoother inlet-to-outlet transitions to help reduce restriction.
• Precision CNC Machining: Manufactured for accurate fitment, consistent thread engagement, and dependable sealing.
• Durable Billet Construction: Made from 6061-T6 aircraft-grade aluminum for strength and performance in demanding fuel system applications.
• Corrosion-Resistant Finish: Type II bright-dip black anodizing helps protect the fitting while delivering a clean appearance.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1