Fragola Aluminum -20AN Bulkhead Nut

Universal 1 5/8-12 Thread Size / Fits -20AN Fittings

Part #: 492420

Overview

The Fragola Aluminum -20AN Bulkhead Nut is a high-quality component designed for performance automotive and racing applications. Crafted from durable aluminum, this bulkhead nut ensures a reliable and secure connection for your -20AN fittings, whether you're building a custom fuel system, oil cooler, or other fluid transfer setup. Its universal fitment makes it suitable for a wide range of vehicles and custom projects, providing a robust solution for enthusiasts who demand precision and durability.

Ideal for racers, tuners, and DIY automotive enthusiasts, this bulkhead nut helps create leak-proof, vibration-resistant connections that withstand the rigors of high-performance environments. Its lightweight aluminum construction not only offers strength but also helps reduce overall system weight, contributing to improved vehicle responsiveness and efficiency.

Key Features

Designed with performance and reliability in mind, the Fragola Aluminum -20AN Bulkhead Nut offers several key features:

• Constructed from high-quality aluminum material, providing excellent strength and corrosion resistance for long-lasting performance.
• Precisely machined with a 1 5/8-12 thread size, ensuring compatibility with standard -20AN fittings and components.
• Available in multiple finishes—blue, black, and clear—allowing you to customize your build and match your vehicle’s aesthetic.
• Universal application suitable for a variety of racing, street, and off-road projects requiring secure bulkhead connections.
• Easy to install with a standard threaded design, making it accessible for both professional installers and DIY enthusiasts.
• Fragola Performance Limited Warranty guarantees quality and peace of mind with your purchase.

Construction & Design

The Fragola -20AN Bulkhead Nut is engineered from high-grade aluminum, which offers an optimal balance of strength, weight savings, and corrosion resistance. Its precision-machined threads ensure a tight, leak-proof seal when paired with compatible fittings and adapters. The compact design allows for easy installation in tight spaces, making it suitable for custom plumbing setups in performance vehicles.

The available finish options—blue, black, and clear—are not only aesthetically appealing but also provide additional corrosion protection, especially in harsh environments. The anodized surface treatment enhances durability and maintains the nut’s appearance over time, even under demanding conditions.

Installation & Fitment

The Fragola Aluminum -20AN Bulkhead Nut features a straightforward, bolt-on design that requires no special tools beyond standard wrenches. Its threaded connection ensures compatibility with most -20AN fittings and bulkhead adapters. No cutting, drilling, or complex modifications are necessary for installation, making it an ideal choice for both professional shops and DIY builders.

• Simply thread the nut onto the bulkhead fitting and tighten to secure the connection.
• Ensure proper alignment and torque according to your system’s specifications to prevent leaks.

What's Included

• 1 - Bulkhead Nut (-20AN) in your chosen finish (blue, black, or clear)

Ideal For

• Performance automotive builds involving fuel, oil, or coolant systems
• Racing and track vehicles requiring durable, leak-proof fittings
• Custom plumbing projects for off-road and street applications
• Enthusiasts seeking high-quality, reliable hardware for their vehicle modifications