Metric Steel Brake Line 6.25 Inches

OVERVIEW

When it comes to the safety and performance of your classic air-cooled Volkswagen, there is no room for compromise in the hydraulic system. This 6.25-inch metric steel brake line is a precision-engineered component designed to restore the factory-level integrity of your braking system. Over decades of service, original steel lines often fall victim to internal corrosion from moisture-laden brake fluid or external pitting from road salt and debris. Replacing these brittle, aging lines with our high-quality steel replacements ensures that your hydraulic pressure remains consistent, providing a firm pedal feel and reliable stopping power when you need it most. Whether you are performing a full frame-off restoration or a routine safety upgrade, this pre-flared line eliminates the guesswork and frustration of trying to hand-flare hard lines in your garage.

Crafted specifically to meet the demanding specifications of late-model Super Beetles, this line features the essential 10mm x 1.0 bubble flare fittings that are standard for European automotive applications. Unlike generic lines found at big-box auto parts stores, this unit is cut to the exact 6.25-inch length required for specific front-end plumbing on 1974 through 1979 Super Beetles. The zinc-plated steel construction provides an extra layer of defense against the elements, ensuring a long service life even in harsh driving conditions. At Appletree Automotive, we understand that "close enough" isn''t good enough for your VW; that is why we provide components that match the original equipment manufacturer''s dimensions, ensuring a leak-free seal and a perfect fit against your chassis clips and wheel cylinders.

FITMENT

• Volkswagen Super Beetle (1303): 1974, 1975, 1976, 1977, 1978, 1979 (Front Brake System)
• Custom Applications: Suitable for any Dune Buggy, Sand Rail, or Baja Bug utilizing a 10mm x 1.0 metric hydraulic system requiring a 6.25-inch span.
• Interchange Part Number: 113-611-735F

SPECS

• Total Length: 6.25 Inches (approximately 159mm).
• Fitting Size: M10 x 1.0 Metric Thread.
• Flare Style: ISO/Bubble Flare (Standard for VW).
• Material: High-strength, zinc-coated steel for corrosion resistance.
• Tube Diameter: Standard 4.75mm (3/16 inch) automotive brake tubing.
• Quantity: Sold individually.
• Finish: Silver zinc plating.

PRO TIPS

Tip 1: Always Use a Flare Nut Wrench. When installing or removing these metric brake lines, never use a standard open-end wrench. Metric brake fittings are made of relatively soft steel and can round off easily, especially if they have been in place for years. A dedicated 10mm flare nut wrench (also known as a line wrench) grips the fitting on five sides, providing the necessary torque to break a stubborn seal without damaging the hex head. If the old fitting is seized, a bit of penetrating oil and a few light taps with a hammer can help break the surface tension before you attempt to unscrew it.

Tip 2: Inspect Your Flare Compatibility. It is vital to remember that Volkswagen uses a "Bubble Flare" (ISO) rather than the "Inverted Flare" (Double Flare) common on domestic American vehicles. While the threads might feel similar, the sealing surfaces are completely different. Never attempt to force an inverted flare into a bubble flare seat, as it will never seal correctly and will likely deform the seat in your master cylinder, wheel cylinder, or T-fitting. Always double-check that the component you are threading this 113-611-735F line into is designed for a 10mm bubble flare to ensure a safe, high-pressure hydraulic seal.

Tip 3: Avoid Kinking During Installation. While these steel lines are somewhat pliable, they can kink if bent too sharply or too many times in the same spot. A kink in a brake line creates a restriction in fluid flow and a permanent weak point in the metal that could lead to a catastrophic failure under emergency braking pressure. If you need to make slight adjustments to the angle of the line to clear suspension components or line clips, use a dedicated tubing bender or very carefully form the radius by hand around a large, smooth object like a socket. Once the line is installed, always bleed the entire system starting from the wheel furthest from the master cylinder to ensure no air remains in the new section of tubing.