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Brake Line Kits

Brake Lines & Complete Replacement Brake Line Kits

Why Upgrade Your Brake Lines?

Your brake pedal is only as strong as the brake lines carrying hydraulic pressure to each wheel. Most factory steel tubing corrodes, kinks, or pin-holes after a few winters—especially if you drive in the Rust Belt or anywhere road salt is common. Upgrading to our rust-proof copper-nickel or stainless-steel brake line kits eliminates those weak spots and restores firm, predictable stopping power. Every coil, fitting, and adaptor we sell is DOT-approved and backed by a lifetime warranty, so you can focus on the road (or the trail) instead of worrying about hidden leaks.

Ready to Upgrade?

Scroll down to the product grid and grab the brake line kit that matches your build. Every kit ships fast, installs easy, and carries our unconditional lifetime warranty—so you can stop with confidence for a lifetime.

Showing 1 — 16 of 83 Products
Showing 1 — 16 of 83 Products
3/16" & 1/4" x 25 | Copper-Nickel Brake Line Tubing Coil and Fitting Kits | 2 Kits - 4LifetimeLines
Brake Line Kit
4.9
Rated 4.9 out of 5 stars
17 Reviews
2-Pack 3/16″ + 1/4″ Copper-Nickel Brake Line Tubing & Fitting Set – Durable & Corrosion-Resistant
3/16" x 25 | Stainless Steel Brake Line Kit | 16 SAE Thread Fittings - 4LifetimeLines
Brake Line Kit
4.7
Rated 4.7 out of 5 stars
46 Reviews
3/16" x 25' Stainless Steel Brake Line Kit 16 SAE Thread Fittings
1/4" x 25 | Copper-Nickel Brake Line Tubing Coil and Fitting Kit - 4LifetimeLines
Brake Line Kit
4.9
Rated 4.9 out of 5 stars
8 Reviews
1/4" x 25' | Copper-Nickel Brake Line Tubing Coil and Fitting Kit
3/16" x 25 | Copper-Nickel Brake Line Tubing & Fittings | 2 Kits - 4LifetimeLines
Brake Line Kit
4.8
Rated 4.8 out of 5 stars
6 Reviews
3/16" x 25' | Copper-Nickel Brake Line Tubing & Fittings | 2 Kits
1/4" x 25 | Stainless Steel Brake Line & Fitting Kit - 4LifetimeLines
Brake Line Kit
4.7
Rated 4.7 out of 5 stars
3 Reviews
1/4" x 25' Stainless Steel Brake Line & Fitting Kit
Sale
Copper Coated Steel Brake Line Kit 3/16" 25 - 4LifetimeLines LTCCGC325KIT
Brake Line Kit
5.0
Rated 5.0 out of 5 stars
1 Review
3/16" x 25' | Copper Coated Steel Tubing Coil and Fitting Kit
3/16" Copper Nickel Brake Line Replacement Kit and 3/16" Union Kit - 4LifetimeLines
Brake Line Kit
5.0
Rated 5.0 out of 5 stars
4 Reviews
3/16" x 25' Copper Nickel Brake Line Kit and 3/16" Union Kit
Sale
Galvanized Steel Coil with Tube nut Fittings
Brake Line Kit
4.7
Rated 4.7 out of 5 stars
7 Reviews
3/16" x 25' Galvanized Steel Brake Line Kit
3/16" x 25 | Copper-Nickel Brake Line Kits | 4 Kits - 4LifetimeLines
Brake Line Kit
4.7
Rated 4.7 out of 5 stars
6 Reviews
3/16" x 25' | Copper-Nickel Brake Line Kits | 4 Kits
1/4" x 25 | Copper-Nickel Brake Line Tubing Coils and Fittings | 2 Kits - 4LifetimeLines
Brake Line Kit
5.0
Rated 5.0 out of 5 stars
3 Reviews
1/4" x 25' Copper-Nickel Brake Line Tubing Coils and Fittings | 2 Kits
Sale
Copper Coated Steel Brake Line Kit 1/4" 25 - 4LifetimeLines LTCCGC425KIT
Brake Line Kit
5.0
Rated 5.0 out of 5 stars
1 Review
1/4" x 25' Copper Coated Steel Brake Line Tubing Coil and Fitting Kit
3/16" x 50 | PVF-Coated Steel Brake Line and Fitting Kit - 4LifetimeLines
Brake Line Kit
4.0
Rated 4.0 out of 5 stars
3 Reviews
3/16" x 50' | PVF-Coated Steel Brake Line and Fitting Kit