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Set of 16 steel line stoppers in silver finish with spring-loaded clips and banjo fitting

Firstinfo Tools Co., Ltd.

Firstinfo Tools Co., Ltd. Brake Line Stopper Kit 3/8 5/16 1/2 Banjo Fitting indoor maintenance

SKU CH-SEEX-ACX40

Stops fluid leaks on brake, fuel and A/C lines with spring-loaded plugs for banjo, 3/8, 5/16 and 1/2 fittings

  • TypeBrake Bleeder Tools
  • Stops fluid leaks during brake line separation
  • Spring-loaded design installs in seconds
  • Fits banjo, 3/8, 5/16 and 1/2 inch fittings
  • Smooth rounded edges protect internal hose reinforcement
  • Works with brake, fuel, transmission and A/C lines

Brake Line Stopper Kit for Automotive Fluids

This kit contains spring-loaded stoppers designed to plug disconnected steel lines on brake, fuel, A/C and transmission cooler circuits. It fits banjo, 3/8, 5/16 and 1/2 inch fittings. The tools prevent fluid leakage and keep the work area clean during service. They are suitable for professional technicians and DIY owners performing hydraulic system maintenance.

Simple Spring-Loaded Installation

Each stopper uses a spring-loaded mechanism that engages in seconds without special tools. The smooth, rounded edges protect internal hose reinforcement from damage during insertion. A common issue is selecting the wrong diameter for the line being serviced, which can cause an incomplete seal. Users should verify the fitting size before installation to ensure proper retention.

Reliable Sealing During Extended Repairs

The stoppers maintain a secure seal throughout lengthy brake bleeding or line replacement jobs. They resist displacement from residual system pressure and vibration while the vehicle is on a lift. The steel construction withstands contact with all common automotive fluids without degradation. This allows technicians to pause work and resume later without fluid loss or contamination.

Highlights

  • Stops fluid leaks during brake line separation
  • Spring-loaded design installs in seconds
  • Fits banjo, 3/8, 5/16 and 1/2 inch fittings
  • Smooth rounded edges protect internal hose reinforcement
  • Works with brake, fuel, transmission and A/C lines

Specifications

TypeBrake Bleeder Tools

Questions about this item

How do I confirm the spring-loaded stoppers are sealing properly after installing them on a brake line?

After fitting each stopper, pressurise the system and watch the connection; no fluid should escape from the plugged line, confirming the rounded edges are sealing without damaging the hose reinforcement.

Which fittings are included in the kit and what extra items might I need?

The kit supplies stoppers for banjo, 3/8, 5/16 and 1/2 lines; you will still need the appropriate line wrenches and any replacement fluid for the system you are servicing.

Which of the four line sizes should I select for a standard automotive brake repair?

Match the stopper to the actual line diameter on the vehicle — 3/8, 5/16 or 1/2 for common brake and fuel lines, and the banjo fitting for banjo-bolt connections.

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