Vibrant Performance 10841 -4 AN Female to -6 AN Male Straight Expander Adapter, Black Anodized Aluminum

The Vibrant Performance 10841 straight expander adapter provides a reliable connection between -4 AN female and -6 AN male fittings. Designed for automotive fluid systems, this adapter helps transition between different AN sizes while maintaining a clean, professional installation. Its straight configuration supports direct routing in applications where fittings need to align without an angled change in direction.
Manufactured from lightweight aluminum, the adapter offers a practical balance of strength, corrosion resistance, and reduced system weight. The black anodized finish enhances surface durability while providing a clean appearance suitable for engine bays, fuel systems, oil lines, coolant plumbing, and other performance applications. Precision-machined threads are designed for compatibility with properly matched AN fittings and hoses.
Use the Vibrant Performance 10841 when adapting a -4 AN female connection to a -6 AN male port. Proper installation practices, compatible sealing methods, and careful thread engagement are recommended to help ensure a dependable, leak-resistant connection. This adapter is supplied as an individual fitting and is intended for custom fabrication, replacement, or system upgrades where AN line-size conversion is required.

Features:

• Brand: Vibrant Performance

• Part Number: 10841

• Fitting Type: Straight expander adapter

• Connection Size: -4 AN female to -6 AN male

• Material: Lightweight aluminum

• Finish: Black anodized

• Application: Automotive fuel, oil, coolant, and fluid systems

• Quantity: Sold individually