Skip to content
Anchor for skip content
Page overlay
3/16" x 25 | Stainless Steel Brake Line Kit | 16 SAE Thread Fittings - 4LifetimeLines
3/16" x 25 | Stainless Steel Brake Line Kit | 16 SAE Thread Fittings - 4LifetimeLines
3/16" x 25 | Stainless Steel Brake Line Kit | 16 SAE Thread Fittings - 4LifetimeLines
3/16" x 25 | Stainless Steel Brake Line Kit | 16 SAE Thread Fittings - 4LifetimeLines
3/16" x 25 | Stainless Steel Brake Line Kit | 16 SAE Thread Fittings - 4LifetimeLines
3/16" x 25 | Stainless Steel Brake Line Kit | 16 SAE Thread Fittings - 4LifetimeLines
3/16" x 25 | Stainless Steel Brake Line Kit | 16 SAE Thread Fittings - 4LifetimeLines
3/16" x 25 | Stainless Steel Brake Line Kit | 16 SAE Thread Fittings - 4LifetimeLines
3/16" x 25 | Stainless Steel Brake Line Kit | 16 SAE Thread Fittings - 4LifetimeLines
3/16" x 25 | Stainless Steel Brake Line Kit | 16 SAE Thread Fittings - 4LifetimeLines
3/16" x 25 | Stainless Steel Brake Line Kit | 16 SAE Thread Fittings - 4LifetimeLines
3/16" x 25 | Stainless Steel Brake Line Kit | 16 SAE Thread Fittings - 4LifetimeLines
3/16" x 25 | Stainless Steel Brake Line Kit | 16 SAE Thread Fittings - 4LifetimeLines
3/16" x 25 | Stainless Steel Brake Line Kit | 16 SAE Thread Fittings - 4LifetimeLines

3/16" x 25' Stainless Steel Brake Line Kit 16 SAE Thread Fittings

$36.99
4.7
Rated 4.7 out of 5 stars
46 Reviews

SKU: LTSC325KIT

VISA
American Express
Mastercard
Discover
Union Pay

Not sure what size you need? 3/16" is the most common brake line size — check the size chart or call 1 (855) 928-4024.

  • 25 feet of 3/16" stainless steel brake line — the most common line size on cars and light trucks
  • 16 SAE inverted-flare thread fittings included for a complete repair in one box
  • Marine-grade corrosion resistance: outlasts standard steel against rust, road salt, and moisture
  • Bends smoothly, flares clean: supports single and double flares with standard flaring tools
  • Lifetime warranty from 4LifetimeLines

Stainless steel brake lines are the choice when you want maximum durability: this kit's 3/16" tubing resists rust, moisture, and environmental wear far better than standard steel, making it ideal for vehicles that live in wet, humid, or salted conditions. The tubing bends without kinking and works with standard flaring tools, so technicians and experienced DIYers can produce secure, leak-resistant flares for custom routing, maintenance, or full brake system replacement.

Tubing Size: 3/16"
Tubing Length: 25'
Material: Stainless Steel
Wall Thickness: 0.028"
Flaring Compatibility: Compatible with SAE 45° double/inverted flares and ISO/DIN bubble flares when formed using the correct tool and vehicle specification. Do not use single flares on hydraulic brake systems.
Standards/ Compliance: SAE & ISO compliant
Including Fittings: Yes
Applications: Brake
Corrosion Resistance: 3/5 – Stainless Steel: Strong long-term protection, great for wet/humid environments.
Warranty:
Lifetime

Choose with confidence

Which brake line material is right for you?

Every 4LifetimeLines tubing material is built to last. The difference comes down to corrosion resistance, how easily it bends, and price. Here's how they stack up.

  Stainless Steel 304 SS ★ Most Popular Copper-Nickel CuNi 90/10   PVF-Coated Steel Poly-coated   Galvanized Steel Zinc-coated   Copper-Coated Steel Cu-coated
Corrosion resistance●●●●●●●●●●●●●●○●●●○○●●●●○
Bends & flares by hand●●○○○Stiff — tools req.●●●●●No bender needed●●●○○Bender recommended●●●○○Bender recommended●●●○○Bender recommended
Strength & durability●●●●●●●●●○●●●●○●●●●○●●●●○
Best forShow cars & custom builds, max strengthDIY repairs, road-salt climates, fast installsOEM-style replacement with extra protectionBudget repairs, dry climatesBudget builds needing rust resistance
Price$$$$$$$$
Shop StainlessShop Copper-NickelShop PVF SteelShop GalvanizedShop Copper-Coated

Stainless Steel

Corrosion resistance●●●●●
Bends by hand●●○○○ · Stiff — tools req.
Strength●●●●●
Best forShow cars & custom builds, max strength
Price$$$
Shop Stainless

Copper-Nickel ★ MOST POPULAR

Corrosion resistance●●●●●
Bends by hand●●●●● · No bender needed
Strength●●●●○
Best forDIY repairs, road-salt climates, fast installs
Price$$
Shop Copper-Nickel

PVF-Coated Steel

Corrosion resistance●●●●○
Bends by hand●●●○○ · Bender recommended
Strength●●●●○
Best forOEM-style replacement with extra protection
Price$
Shop PVF Steel

Galvanized Steel

Corrosion resistance●●●○○
Bends by hand●●●○○ · Bender recommended
Strength●●●●○
Best forBudget repairs, dry climates
Price$
Shop Galvanized

Copper-Coated Steel

Corrosion resistance●●●●○
Bends by hand●●●○○ · Bender recommended
Strength●●●●○
Best forBudget builds needing rust resistance
Price$
Shop Copper-Coated
4.7
Rated 4.7 out of 5 stars
Based on 46 reviews
Total 5 star reviews: 39 Total 4 star reviews: 3 Total 3 star reviews: 1 Total 2 star reviews: 1 Total 1 star reviews: 2
91%would recommend this product
46 reviews
  • Rated 5 out of 5 stars
    9 months ago
    Flaring tool

    Flaring tool worked great on stainless. Not one bad flare and easy to use. Great tool

    JH
    james h.
    Flag of United States
    Verified Buyer
  • Rated 2 out of 5 stars
    1 year ago
    Does not flare nicely for 37 degree

    Nice looking line. But I have to give a 2 star since this line splits when doing 37 degree single flare

    AC
    Amazon C.
  • Rated 5 out of 5 stars
    1 year ago
    GOOD QUALITY TUBING

    WILL BUY AGAIN

    JW
    JOE W.
  • Rated 5 out of 5 stars
    1 year ago
    Quality tube

    Good product quality is good no problems with bending the lines got what I ordered functions as stated

    D.
    Dave ..

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

FREE SHIPPING

Spend $50. We Cover the Rest.

Built to Endure

BUILT TO ENDURE

No Weak Points. No Compromises.

Lifetime Warranty

LIFETIME WARRANTY

One Purchase. Lifetime Coverage.

Trade Friendly

TRADE FRIENDLY

Tax-Exempt Pricing for Qualified Buyers

The 4Lifetime Difference

Engineered to Last. Backed for Life.

Close-up of metallic square components with circular openings arranged in a grid pattern. The image conveys precision and industrial craftsmanship.

Engineered to Last. Backed for Life.

Checkmark

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

No Corners Cut. Ever.

A person wearing black gloves is scooping white lithium grease from a blue container with a label in a workshop setting.

No Corners Cut. Ever.

Checkmark

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

A Smart, Risk-Free Buy

Mechanic in a garage holds a coiled metal hose while working under a car. The background shows blurred shelves with tools and parts, conveying focus and expertise.

A Smart, Risk-Free Buy

Checkmark

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.

Close-up of a mechanical device with a circular dial featuring colored markers, alongside various metal components and a blue clamp.

Straightforward. No Fine Print.

Checkmark

What you see is what you get.
Clear terms. Honest coverage. No hidden clauses. No loopholes. No runaround.

Backed for the Long Haul

White canister of Tire Mounting Lubricant labeled for lifetime use sits on a concrete surface. Reflective metal rims blurred in the background.

Backed for the Long Haul

Checkmark

We stand behind every product.
As long as you own it, we’ve got your back.

Blue background with large yellow semicircle on the right. Bold white text reads The 4Lifetime Difference.
Typical Parts Store

Meets SAE / OE specifications

Easy returns — no restocking games

Same-day shipping (order by 2 PM ET)

Lifetime warranty on every product

Loyalty rewards on every order

100+ 5 star reviews

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

Jackson

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.