Men's Clothing

The Best Automotive Replacement Brake Banjo Bolts

This post contains affiliate links. As an Amazon Associate we earn from qualifying purchases.

Our picks are based on Amazon bestseller rankings, Amazon customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

When it comes to your vehicle's braking system, every component plays a critical role in ensuring safety and performance. The banjo bolt, though small, is essential for connecting brake lines and preventing leaks. Selecting the correct replacement ensures proper fluid flow and reliable stopping power.

No. 1
Dorman 14100 Brake Banjo Bolt | Fits Select Models
  • Direct replacement - this brake hydraulic hose to caliper bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution - this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction - this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
No. 2
OBQSNS 4 Set 12mm & 14mm Diameter Banjo Hose Barb Bolt Fittings,Metric Thread Banjo Bolt Brake Fitting Adapter...
  • 【Excellent Fittings】* 2 In 1 Set,12mm & 14mm Banjo Barb Bolt Fittings,Designed for excellent engine system fittings.Each component is precision-machined to exact tolerances for trouble-free performance. Long lasting durability,easy installation.
  • 【Application】* Works for Banjo Bolt Inter Diameter 12mm / 14mm. Suitable for Brake System, Air and Fuel Delivery ,Engine.
  • 【14mm Banjo Fittings & Bolt】* Banjo Internal Diameter: 14mm / 0.55" ; Barb Outside Diameter: 11mm / 0.43" ; Thread Diameter : M14 x 1.5
  • 【12mm Banjo Fittings & Bolt】* Banjo Internal Diameter : 12mm / 0.47" ;Barb Outside Diameter : 9mm / 0.35" ; Thread Diameter : M12 x 1.25
SaleNo. 3
M10x1.0 Metric Banjo Bolt,Upgraded Brake Line Fitting Adapter
  • Product Dimensions: Thread: M10x1.0. Thread length: 0.46 inches. Head diameter: 0.62 inches. Thread diameter: 0.39 inches. Please verify these specifications before placing your order. Double-checking thread type and length avoids compatibility issues...
  • 304 Stainless Steel: This banjo bolt is forged from 304 stainless steel. High hardness and strength come standard. The surface receives special treatment to resist rust. Even after prolonged use, structural stability stays intact. Durable for long-term...
  • Deep Thread Security: Precision roll-forming processing creates the threads on this brake fitting adapter. The deep thread design keeps tight interlock after connection. Vehicle vibrations and frequent braking won't cause loosening or detachment. A secure...
  • Two Copper Washers: Package includes one stainless steel bolt and two copper washers. Installation is simple. Use a wrench to remove the damaged part. Align the new M10x1.0 bolt with the mounting position. Tighten with a wrench. No special tools required
No. 4
X AUTOHAUX M8x1.0mm Banjo Bolts Brake Fitting Adapter with M8 Washers | 4 Sets, Metal, Metric Thread
  • Dimension: 4 x Banjo Bolts; 8 x Washers
  • Thread Diameter: M8x1.0; Washers Diameter: M8
  • Package Included: 1 x Banjo Bolts; 2 x Washers
  • Designed with hexagon head and Metal material.
No. 5
YSFER M10x1.0 Metric Banjo Bolt, Stainless Steel Car Brake Line Adapter with 2 Copper Washers, High Strength...
  • Precise Deep Threads: The brake line fitting is engineered with deeply cut, precisely formed threads that provide a tight and reliable fit. This strong thread engagement maintains connection integrity under repeated braking or intense shaking, helping to...
  • Durable Materials: Made from durable 304 stainless steel, the brake line adapter delivers excellent tensile strength and resists corrosion, remaining free of rust even after prolonged service. The equipped copper washers are robust and maintain their...
  • Specific Dimensions: The banjo bolt has overall dimensions of 0.63 × 0.63 × 0.97 inches, featuring an M10×1.0 thread with a threaded section measuring 0.46 inches in length. The included washers feature an inner diameter of 0.39 inches and an outer...
  • Quick Installation: Each set comes with a brake line bolt and two copper washers. To install, take out the original bolt, place the washers onto our new bolt, position it correctly in the mounting location, and secure it with a wrench. The bolt's...
No. 6
X AUTOHAUX 2pcs AN3 3/8-24 Thread Turbo Brake Banjo Bolt 25mm Length
  • Bolt Size: AN3 (3/8-24), Length w/o Hex: 25mm, Washer Inner Diameter: 10mm / 0.39", Screw Head Size: 16mm / 0.63"(L).
  • Each component is precision-machined to exact tolerances for trouble-free performance.
  • Made of material of stainless steel and copper that is endurable for your car and motorcycle.
  • Easy installation, No install instructions. Save your time in the process of installation.
No. 7
ACDelco Gold 18K1535 (19138314) Front Brake Hose Bolt
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
No. 8
M10x1.0 Metric Car Banjo Bolt & Copper Washer Kit,Stainless Steel Brake Line Fitting for Vehicle...
  • Size Match First: Pull out your old bolt and compare. This banjo bolt uses M10 × 1.0 mm thread. Thread length is 0.46 inch. The head measures 0.62 inch across. Thread diameter is 0.39 inch. A good match means a smooth installation with no surprises when...
  • Stainless Steel: What is this car bolt kit made from? Stainless steel. The material gives you high hardness and good strength. A surface treatment helps keep the bolt stable over time. No rust. No wear. Just a strong part that lasts under the hood for...
  • Precision Threads: Roll forming is how the threads on this brake line adapter fitting are made. The deep thread design locks tight after you put it in place. This lowers the chance of loosening or falling out. Vibration from driving and repeated braking...
  • Simple to Install: Open the pack and you will find 1 bolt and 2 copper washers. Use a wrench to take off the damaged part on your car. Then put the new bolt into the same spot. Line it up and tighten with your wrench. That is all there is to it with this...
SaleNo. 9
M10x1.0 Metric Car Banjo Bolt,Stainless Steel Brake Line Adapter with Copper Washer,Professional 20mm Bolt Kit...
  • Size to Confirm: Before you order, check your original bolt against these numbers. Thread size is M10 × 1.0 mm. Thread length runs 0.46 inch. Head diameter measures 0.62 inch. Thread diameter is 0.39 inch. Matching sizes helps you avoid fit problems with...
  • Rust-proofing Materials: What makes this brake line adapter fitting strong? It comes from stainless steel. The material gives you high hardness and good strength. A special surface treatment helps the bolt hold up over time. Even after many months of use...
  • Deep Thread Hold: Precision roll forming creates the threads on this banjo bolt. The result is a deep thread design that gives you a tight lock after installation. This means less chance of loosening or detachment. Your vehicle vibrations and frequent...
  • Simple Swap: Here is what you do with this car bolt kit. Take a wrench and detach the damaged part first. Then line up the new bolt with the mounting spot. Tighten it with your wrench. The pack gives you 1 bolt and 2 copper washers. That is all you need...

Last update on 2026-10-16 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Automotive Replacement Brake Banjo Bolts

Understanding Banjo Bolt Specifications

When purchasing replacement banjo bolts, it's crucial to match the original specifications of your vehicle. Key aspects to consider include:
  • Thread Size and Pitch: This is paramount for a secure and leak-free connection. Incorrect threading will prevent the bolt from seating properly, compromising brake system integrity.
  • Bolt Diameter: The diameter of the bolt itself needs to match the brake line fitting. This ensures a snug fit and prevents fluid leakage under pressure.
  • Length: While less critical than diameter and thread, the bolt length should be appropriate to avoid interference with surrounding components.
  • Material: Most banjo bolts are made from steel, often plated for corrosion resistance. High-quality stainless steel options offer superior durability and rust prevention, especially in harsh environments.

Choosing the Right Type and Quantity

Brake systems typically utilize a specific type of banjo bolt for each connection point. Generally, you'll find two main types:
  • Standard Banjo Bolts: These are the most common and suitable for general replacement.
  • Bleeder Screw Banjo Bolts: Some banjo bolts incorporate a bleeder screw, simplifying the brake bleeding process.
It's important to identify how many banjo bolts are needed for your specific brake line repairs. Many brake lines require one, but some systems may have multiple connection points. Always confirm the exact number required for your vehicle's make and model.

Frequently Asked Questions

What is a banjo bolt used for in a brake system?
A banjo bolt is a specialized fastener used to connect flexible brake lines to rigid brake calipers or wheel cylinders. It secures the banjo fitting, which creates a sealed connection for brake fluid.
How do I know what size banjo bolt I need?
You should consult your vehicle's service manual or measure the existing bolt and fitting. Key measurements include thread size, pitch, and the diameter of the bolt that passes through the brake line's banjo fitting.
Can I reuse an old banjo bolt?
It is strongly recommended to replace banjo bolts when replacing brake lines or performing brake work. Old bolts can be weakened, corroded, or have damaged threads, increasing the risk of leaks or failure.
What are the common materials for banjo bolts?
Most banjo bolts are made from steel, often with protective plating like zinc or chrome to resist corrosion. Higher-end options might be constructed from stainless steel for enhanced durability and rust resistance.
Do I need new washers for banjo bolts?
Yes, new copper or aluminum crush washers are essential for creating a proper seal. These washers are designed to deform and fill any imperfections between the bolt, fitting, and brake component, preventing fluid leaks.

How we compare Men's Clothing

1 Specifications: we compare the key features and specifications listed by the manufacturer and on Amazon.
2 Customer ratings: we take into account the average Amazon rating and the number of reviews.
3 Price: we check the current price and highlight notable deals.
4 Updates: comparisons are refreshed regularly as prices and availability change.

Our comparisons are reviewed and updated regularly to reflect the latest products and prices.

Was this article helpful?

Thanks for your feedback!

Thanks — we'll work to improve this article.