DeatschWerks

2011–2025 Subaru Forester / Subaru Impreza 6AN Female Flare to 10AN Male Flare Expander

Part #: 6-02-0221-B

Overview

The DeatschWerks 6AN Female Flare to 10AN Male Flare Expander is a high-quality fitting designed for performance automotive applications. Whether you're building a custom fuel system, oil line, or coolant setup, this adapter provides a reliable connection between different AN sizes and flare types. Crafted with precision and durability in mind, it ensures a secure, leak-free connection that can withstand the rigors of spirited driving and demanding conditions.

Ideal for enthusiasts and professional builders alike, this expander allows you to seamlessly connect 6AN fittings to 10AN lines, making it easier to customize and upgrade your vehicle's fluid transfer systems. Its anodized matte black finish not only enhances durability but also adds a sleek, professional look to your engine bay or custom plumbing setup.

Key Features

The DeatschWerks expander offers several key features that make it a top choice for performance applications:

• Constructed from high-grade aluminum with a durable anodized matte black finish, providing corrosion resistance and a sleek appearance.
• Precisely machined flare and thread surfaces ensure a tight, leak-free seal and consistent performance under pressure.
• Designed to connect 6AN female flare fittings to 10AN male flare lines, facilitating versatile and reliable fluid system configurations.
• Manufactured with tight tolerances to ensure compatibility with a wide range of AN fittings and lines.
• Suitable for use in fuel, oil, coolant, and other fluid transfer systems in performance and racing vehicles.
• Lightweight yet robust construction to withstand vibration and thermal cycling common in high-performance environments.
• Easy to install with standard hand tools, making it accessible for both professional and DIY applications.

Construction & Design

This expander features a precision-machined aluminum body that combines strength with lightweight performance. The anodized matte black finish not only provides corrosion resistance but also helps prevent surface scratches and wear over time. Its flare-to-flare design ensures a secure, leak-proof connection, critical for maintaining system integrity at high pressures. The compact, streamlined shape allows for flexible routing within tight engine bays or custom plumbing setups, making it an excellent choice for custom builds and upgrades.

Installation & Fitment

The DeatschWerks 6AN Female Flare to 10AN Male Flare Expander is designed for easy, bolt-on installation. It connects standard AN flare fittings and lines without the need for special tools beyond basic wrenches. No cutting, drilling, or additional modifications are required, making it suitable for both professional installers and DIY enthusiasts. Ensure all fittings are properly tightened to prevent leaks and verify compatibility with your specific fluid system components.

• Compatible with 6AN female flare fittings and 10AN male flare lines.
• Easy to install with standard hand tools.
• No additional modifications or tuning needed.

What's Included

• DeatschWerks 6AN Female Flare to 10AN Male Flare Expander

Ideal For

• Performance enthusiasts building custom fuel, oil, or coolant systems
• Race car builders requiring reliable, high-pressure fittings
• DIYers upgrading or modifying fluid transfer lines in their vehicles
• Anyone seeking durable, high-quality AN fittings with versatile size compatibility