3/8" x 100' Copper-Nickel Tubing Coil – Fuel & Transmission Line

Get professional-grade durability and performance with the 4Lifetime 3/8" x 100' Copper-Nickel Line Replacement Coil, designed for use in fuel, transmission, oil cooler, and fluid transfer systems. This heavy-duty coil provides unmatched rust resistance, flexibility, and ease of use—making it the go-to choice for shops and DIY builders alike.

Corrosion-Proof Copper-Nickel Construction
Made from premium 90/10 copper-nickel alloy, this tubing offers superior protection against road salt, moisture, and chemicals—ideal for vehicles operating in harsh environments. It resists cracking and fatigue, even after years of exposure.

Flexible and Easy to Work With
Despite its heavy-duty build, this tubing is easy to bend and flare with standard tools. Its 0.035" wall thickness provides strength while maintaining pliability for smooth routing through tight or complex layouts.

Perfect for Fuel & Transmission Applications
With a 3/8" outer diameter, this coil is commonly used for fuel lines, transmission cooler lines, power steering systems, and custom hydraulic setups.

Key Features:

3/8" OD x 100 ft copper-nickel tubing coil

Corrosion-resistant and rust-proof

Flexible and easy to route, bend, and flare

0.035" wall thickness for strength and durability

Compatible with fuel, transmission, oil, and hydraulic systems

Meets or exceeds SAE and ISO standards

Backed by the 4Lifetime lifetime warranty

Ideal for professional technicians, builders, and high-performance applications—this tubing delivers long-lasting performance with every install.

Mike's Muffler Center

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