Earl's Performance AT981646ERL -4AN to 3/8" NPT Straight Adapter Fitting

The Earl's Performance AT981646ERL is a straight adapter fitting designed to connect -4AN hose ends to 3/8" NPT threaded ports. This precision-engineered fitting features a hard anodized aluminum finish that penetrates deep into the aluminum substrate for superior wear and corrosion resistance compared to standard anodizing processes.

Key Features:

• -4AN male to 3/8" NPT male configuration
• Hard anodized aluminum construction for enhanced durability
• Lasts twice as long as traditional anodized fittings
• Provides an aggressive, professional appearance
• Manufactured in the USA to exacting quality standards
• Suitable for custom plumbing applications including fuel, oil, and coolant systems

Earl's Performance adapter fittings are ideal for motorsport applications, performance street vehicles, and custom plumbing installations where reliable, leak-free connections are essential. The hard anodized finish not only enhances corrosion resistance but also provides a distinctive black appearance that complements modern engine bays and fuel systems.