Skip to content

FREE SHIPPING ON ORDERS OVER $50

Anchor for skip content
Page overlay
3/16" x 25 | Copper-Nickel Brake Line Kit
3/16" x 25 | Copper-Nickel Brake Line Kit
3/16" x 25 | Copper-Nickel Brake Line Kit
3/16" x 25 | Copper-Nickel Brake Line Kit - 4LifetimeLines
3/16" x 25 | Copper-Nickel Brake Line Kit - 4LifetimeLines
3/16" x 25 | Copper-Nickel Brake Line Kit - 4LifetimeLines
3/16" x 25 | Copper-Nickel Brake Line Kit
3/16" x 25 | Copper-Nickel Brake Line Kit
3/16" x 25 | Copper-Nickel Brake Line Kit
3/16" x 25 | Copper-Nickel Brake Line Kit - 4LifetimeLines
3/16" x 25 | Copper-Nickel Brake Line Kit - 4LifetimeLines
3/16" x 25 | Copper-Nickel Brake Line Kit - 4LifetimeLines
Copper Nickel

3/16" x 25' | Copper-Nickel Brake Line Kit

SKU: LTCC325KIT

$23.99

3/16" x 25' Copper-Nickel Brake Line Kit – Rust-Proof & Easy to Install

Fix rusted lines once—and never again.
Our 3/16-inch Copper-Nickel Line Kit delivers 25 feet of CuNi 90/10 alloy tubing plus 16 SAE inverted-flare fittings, giving DIYers and pro techs everything needed for brake, fuel, or transmission repairs in one box.

Why Choose Copper-Nickel Over Steel

  • Corrosion-proof longevity: Copper-nickel shrugs off road salt, moisture, and chemicals for decades—ideal for snow-belt vehicles.

  • Easy hand bending: Thin 0.028″ wall forms tight, kink-free curves without special tools, cutting install time in half.

  • Meets SAE & ISO specs: Exceeds burst-pressure and vibration-fatigue requirements for safe, reliable stopping power.

What’s Included in the Kit

Qty Size / Thread Component
25 ft 3/16″ (4.75 mm) Copper-Nickel Tubing
10 3/8-24 Inverted Tube Nuts
2 7/16-24 Inverted Tube Nuts
2 1/2-20 Inverted Tube Nuts
2 9/16-18 Inverted Tube Nuts

No last-minute parts run—open the box and start routing.

Built to Last—Lifetime Guarantee

  • Universal fit: Works with most domestic and import vehicles.

  • Lifetime warranty: If the tubing ever fails, we’ll replace it—period.

  • Fast U.S. shipping: Orders $50 + ship free so you’re back on the road sooner.

Upgrade to copper-nickel today and keep your brake lines—and your peace of mind—intact for life.

Free Delivery

Free Delivery

For all US orders over $75

Easy Returns

Easy Returns

Risk-free returns

Comfortable Payments

Comfortable Payments

100% secure payments

Rewards

Rewards

Sign up for discounts

Customer Reviews

Based on 42 reviews
90%
(38)
7%
(3)
0%
(0)
2%
(1)
0%
(0)
I
Igor
Quality brake line

I had to run new brake lines on my 2006 Subaru Legacy. This line has been very easy to work with, very flexible and easy to flare. It looks like a high quality material that is not going to rust quickly. I've only ride about 30 miles after the installation, hence hard to comment on long-term performance at the moment, will update the review in a bit.

P
Pavlov
Good product at a good price

My mechanic gets this all of the time. He even uses this on his own vehicles. It's of good quality and goes together easily. It's well worth the money.

w
william
Great and reliable setup to have in the toolbox

I've had the pleasure of using copper brake lines on multiple vehicles, and I have to say, they’ve consistently exceeded my expectations. Whether it’s for my own car or helping out friends and family, these brake lines have proven to be a lifesaver on more than one occasion.First off, the product is incredibly easy to work with. The copper material is pliable enough to be bent and shaped without much effort, making installation a breeze. What’s even better is that the fittings all threaded perfectly with no issues at all. Whether I was working with a custom setup or standard connectors, everything lined up smoothly, and I never had to worry about leaks or cross-threading.I've had to rely on these brake lines several times when others have run into brake line issues, and it's always been a relief to open my toolbox and have the exact length I need on hand. The copper is not only durable but also resistant to corrosion, which gives me peace of mind knowing they’ll hold up over time.All in all, I highly recommend these copper brake lines for anyone looking for a reliable, easy-to-install solution for brake line repairs or upgrades. It’s saved me a lot of time, hassle, and stress, and I’m sure it will do the same for others!

D
Douglas
Brake lines Kit

Good quality. Easy to form and bends with hands or bender. Forms flares easy without difficulty.

J
Jay
Easy to bend

I Installed new brake lines on my 88 Lincoln Town Car and the lines are flexible enough to be bent by hand which is nice. It made the job go smoothly and gave me confidence to tackle other lines that weren't leaking but just look bad. I would definitely recommend these to anyone looking to do a job like this on their own