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HAULK DEPOT

Hydraulic Adapter – 3/8-24 Female to 7/16-20 Male Bubble | HD
SKU: HDR-ADPR-F-M-HD
$7.49 USD $7.49 USD
Shipping calculated at checkout.
In stock
Description

This precision hydraulic adapter is designed to convert a 7/16"-20 bubble flare port into a 3/8"-24 bubble flare fitting, allowing British 3/16" brake lines to connect seamlessly to dual master cylinders or other components. Made from copper-plated steel, it provides a strong, leak-resistant seal for brake systems using different port sizes.

Detailed Information:
Material Copper-Plated Steel
Thread Size (Female) 3/8"-24 Bubble Flare
Thread Size (Male) 7/16"-20 Bubble Flare
Application Brake Line Adapter for Dual Master Cylinders
Fitting:

Designed to adapt 7/16"-20 bubble ports to 3/8"-24 bubble flare brake lines. Commonly used in dual master cylinder setups and compatible with most 3/16" British tubing.

Features:
  • Universal Compatibility: Adapts common brake line fittings to master cylinder ports with mismatched thread sizes.
  • Durable Construction: Steel body with corrosion-resistant copper plating ensures long service life.
  • Precision Fit: Engineered for leak-free sealing and optimal pressure performance.
  • Easy Installation: Threaded ends allow for quick connection without specialty tools.
Interchangeable Part Numbers:
  • BLF55B
Product Overview:

The HD Hydraulic Adapter Fitting BLF55B is a simple and effective solution for converting 7/16"-20 bubble ports to 3/8"-24 brake line fittings. Perfect for dual master cylinder installations, this durable copper-plated steel fitting ensures a secure and leak-resistant brake system connection.

We want you to be completely satisfied with your purchase. That’s why we offer a hassle-free return policy within 30 days of delivery*. If your item is unused, in original packaging, and eligible for return, you can send it back for a refund or exchange.

*Some exclusions may apply

Some of our products are backed by a 1-year limited manufacturer warranty covering defects in materials and workmanship under normal use. If you experience any issues during this period, we’ll work with you to repair, replace, or resolve it according to warranty terms.*

*Proof of purchase required

Need it fast? We’ve got you covered. Orders confirmed before 3 PM Eastern Standard Time (Monday–Friday) are processed and shipped out the same business day. Orders placed after the cutoff will ship the next business day.
Hydraulic Adapter – 3/8-24 Female to 7/16-20 Male Bubble | HD

Customer Reviews

Based on 12 reviews
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(11)
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E
Enrique Rojas
Quick Fix for Mismatched Ports

Had a brake line that didn't match the new master cylinder. This adapter was a perfect solution. It's a simple part, but it's well-made and did the job perfectly.

J
Jacob Miller
No Leaks, Solid Fit

Installed this on my classic car project to adapt the brake lines. Threaded on easily and held pressure with no issues. Definitely a quality piece of hardware.

P
Pedro Jeandet
Saved the Day on a Project

I was in a real bind trying to connect a new master cylinder to my existing brake lines. This little adapter was exactly what I needed. Fit perfectly, no leaks, and my brakes are solid. A must-have for anyone doing custom brake work.

D
Dmytro Sokol
Precision Machining

Checked the threads and dimensions, and they were perfect. The copper plating is a nice touch for corrosion resistance. A solid, reliable part for a critical application.

W
Wit Taffrey
Essential Part for Custom Brakes

Used this to connect a new brake proportioning valve. The threads were clean and it sealed perfectly. It's a small part, but it made a big difference in my project.

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