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4LIFETIMELINES 3/8" Copper Nickel 100 ft Fuel & Transmission Line Replacement Coil - 4LifetimeLines
4LIFETIMELINES 3/8" Copper Nickel 100 ft Fuel & Transmission Line Replacement Coil - 4LifetimeLines
4LIFETIMELINES 3/8" Copper Nickel 100 ft Fuel & Transmission Line Replacement Coil - 4LifetimeLines
4LIFETIMELINES 3/8" Copper Nickel 100 ft Fuel & Transmission Line Replacement Coil - 4LifetimeLines

3/8" Copper-Nickel Fuel Line Coil 100 ft

$71.99 Regular price $152.99 52% off, save $81
5.0
Rated 5.0 out of 5 stars
6 Reviews

SKU: LTCC6100

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.

Here to help

Not sure where to start? No problem. From automotive lubricants to brake lubricants and maintenance solutions, we’re here to help you choose the right products for your vehicle and your project.
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Lifetime Quality, Covered — for Life

Zero Risk, Maximum Confidence

Built to Endure. Guaranteed to Perform.

One-Time Purchase. Lifetime Assurance.

Lifetime Quality, Covered — for Life

Zero Risk, Maximum Confidence

Built to Endure. Guaranteed to Perform.

One-Time Purchase. Lifetime Assurance.

Lifetime Quality, Covered — for Life

Zero Risk, Maximum Confidence

Built to Endure. Guaranteed to Perform.

One-Time Purchase. Lifetime Assurance.

Lifetime Quality, Covered — for Life

Zero Risk, Maximum Confidence

Built to Endure. Guaranteed to Perform.

One-Time Purchase. Lifetime Assurance.

Lifetime Quality, Covered — for Life

Zero Risk, Maximum Confidence

Built to Endure. Guaranteed to Perform.

One-Time Purchase. Lifetime Assurance.

Lifetime Quality, Covered — for Life

Zero Risk, Maximum Confidence

Built to Endure. Guaranteed to Perform.

One-Time Purchase. Lifetime Assurance.

Lifetime Quality, Covered — for Life

Zero Risk, Maximum Confidence

Built to Endure. Guaranteed to Perform.

One-Time Purchase. Lifetime Assurance.

FREE SHIPPING

Spend $50. We Cover the Rest.

BUILT TO ENDURE

No Weak Points. No Compromises.

LIFETIME WARRANTY

One Purchase. Lifetime Coverage.

TRADE FRIENDLY

Tax-Exempt Pricing for Qualified Buyers

The 4Lifetime Difference

Engineered to Last. Backed for Life.

Engineered to Last. Backed for Life.

When we say lifetime warranty, we mean it. Our products are built to endure & we stand behind them.

No Corners Cut. Ever.

No Corners Cut. Ever.

Quality Materials. Proven Craftsmanship.
Built with materials and workmanship we trust. No shortcuts.

A Smart, Risk-Free Buy

A Smart, Risk-Free Buy

Buy Once. Be Done.
This isn’t a temporary fix — it’s a long-term solution. Built-in confidence. Zero guesswork.

Straightforward. No Fine Print.

Straightforward. No Fine Print.

What You See Is What You Get.
Clear terms. Honest coverage. No hidden clauses, no loopholes, no runaround.

Backed for the Long Haul

Backed for the Long Haul

We Stand Behind Every Product.
As long as you own it, we’ve got your back.

Competitors

Backed for Life

No Fine-Print Guarantee

Built to Outlast

Pro-Grade Materials

Real Human Support

100+ 5 star reviews

“.. easy to get the part you need, when you need it.”

- Example

Great Experience

Great received day early good product this is 3rd time doing business with 4LifetimeLines

Happy Customer

Great product!! I’ve ordered these before and they are great quality! I’ll be back again.

Excellent

Excellent product shipped quickly and inexpensively. I will be ordering again.

Ideal Products

Ideal stuff for fabricating brake lines brake lines at a very good price.Kit very well covers the materials for doing the whole brake line system.

Reasonable price and fast shipping!

I'll be back again!

Great Seller!

Great seller to deal with. Fast shipping and great products.

Great products, competitive prices, and fast shipping. Communication is also top notch.

This was my first purchase and the experience has been fantastic. Great products, competitive prices, and fast shipping. Communication is also top notch.

Great products, competitive prices, and fast shipping.

This was my first purchase and the experience has been fantastic. Great products, competitive prices, and fast shipping. Communication is also top notch.
5.0
Rated 5.0 out of 5 stars
Based on 6 reviews
Total 5 star reviews: 6 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
100%would recommend this product
6 reviews
  • Rated 5 out of 5 stars
    1 month ago
    Copper tubing

    We ordered this to install for the in laws for their propane stove , so far it's working great !!

    PC
    Patricia C.
    Flag of United States
    Verified Buyer
  • Rated 5 out of 5 stars
    7 months ago
    Every thing was was good

    Every thing was was good

    JW
    Jeffrey W.
  • Rated 5 out of 5 stars
    9 months ago
    Good so far

    Flares ok. A bit thinner than desired at . 025, but has not burst at 150 psi. Harder than expected for annealed tubing which is not bad in some applications. Bends ok so far.

    AB
    A B.
  • Rated 5 out of 5 stars
    1 year ago
    great product for a great

    great product for a great price

    MW
    michele w.