Radium Engineering O-Ring 5-Pack 4AN FKM

Universal 2018–2024

Part #: 18-0043-04

Overview

The Radium Engineering O-Ring 5-Pack 4AN FKM is a high-quality sealing solution designed for performance automotive applications. Crafted with precision and backed by extensive research and development, these O-rings are engineered to provide reliable, leak-free sealing in a variety of fuel, oil, and coolant systems. Whether you're building a race car, upgrading your street vehicle, or performing routine maintenance, these O-rings ensure your connections remain secure under demanding conditions.

Designed for enthusiasts who demand durability and performance, Radium's O-Rings are ideal for use with -04 AN fittings and hoses, offering a perfect fit and long-lasting seal. Their universal compatibility makes them suitable for a wide range of vehicles and custom setups, providing peace of mind during high-pressure or high-temperature operations. With Radium Engineering's reputation for quality and innovation, you can trust these O-rings to meet and exceed your expectations.

Key Features

The Radium Engineering O-Ring 5-Pack features several technical advantages that make it a must-have for serious automotive projects:

• Premium FKM Material: Made from high-grade fluorocarbon (FKM), these O-rings offer excellent resistance to heat, fuel, oil, and other aggressive chemicals commonly found in performance applications.
• Reliable Sealing Performance: Designed to withstand high pressures and temperatures, ensuring leak-free operation in demanding environments.
• Universal Fitment: Compatible with 4AN fittings, making them suitable for a wide range of fuel, oil, and coolant lines across various vehicle makes and models.
• Pack of Five: Conveniently bundled in a 5-pack, providing ample replacements for ongoing maintenance or multiple connections.
• Thorough Testing & Quality Control: Each O-ring undergoes rigorous testing to ensure consistent performance and durability, reflecting Radium's commitment to excellence.
• Designed for Motorsport & Enthusiast Use: Whether for racing, street performance, or custom builds, these O-rings deliver dependable sealing under extreme conditions.
• Resistant to Compression Set: Maintains its shape and sealing integrity over time, reducing the need for frequent replacements.
• Temperature Range: Capable of handling temperatures up to 200°C (392°F), suitable for high-performance applications.

Construction & Design

Constructed from high-quality FKM (fluorocarbon) material, these O-rings are engineered for maximum chemical and thermal resistance. The precise manufacturing process ensures uniformity in size and shape, providing a consistent seal every time. The flexible yet durable design allows for easy installation and reliable performance across a variety of fittings and hoses. Radium's focus on quality control guarantees that each O-ring maintains its sealing properties even after exposure to extreme conditions, making them a dependable choice for both professional racers and DIY enthusiasts.

Installation & Fitment

Installing the Radium Engineering O-Ring 5-Pack is straightforward. These O-rings are designed to fit standard 4AN fittings seamlessly, providing a secure seal without the need for additional tools or modifications. Simply clean the mating surfaces, lubricate the O-rings with a compatible fluid or assembly lube, and slide them into place before tightening the fittings. No cutting, drilling, or special tuning is required, making them an easy upgrade for your existing fuel or fluid lines.

• Compatible with 4AN fittings and hoses
• Easy to install with minimal tools
• Suitable for fuel, oil, and coolant systems

What's Included

• Five (5) high-quality FKM O-Rings designed for 4AN fittings

Ideal For

• Performance enthusiasts building or maintaining fuel, oil, or coolant systems
• Racers seeking reliable sealing under high pressure and temperature
• DIY mechanics performing custom plumbing or upgrades
• Anyone needing durable, chemical-resistant sealing solutions for automotive applications