Leak Testing Connection Tools for Automotive and Vehicle System Applications

Reducing automotive manufacturing costs, improving testing safety, and enhancing leak testing processes.  

As an industry leader of sealing and connection technologies, FasTest offers standard products for most ports/threads/tubes, and a dedicated team of custom design experts to engineer optimized solutions for demanding applications. Connect fast, seal reliably, test safely.

We offer an extensive line of connection tools to leak test electric vehicle components, steering systems, intake/exhaust components, fuel systems, battery systems, cooling systems, transmissions, brake systems, washer systems, climate control components, and more.

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Vehicle Systems Expertise

Internal Combustion Engine Leak Testing

Connection tools designed for your engine. Maximize efficiency and safely connecting to transfer fluids, leak testing, or plugging any port.

Battery Pack Leak Testing

Tailored connection tools for a full battery pack leak test. Develop the ideal connectors to meet your needs/requirements.

Motor and Inverter Leak Testing

Connection tools for leak testing motors, inverters and coolant lines for both the electric vehicle and internal combustion engine markets.

Why FasTest for Automotive Leak Testing


Accurate Connection & Sealing

Precision engineered tools provide the highest quality connection and seal for accurate testing.


Reduce Repetitive Motion Injuries

Easy-to-use one hand operation, eliminate the painful twisting motions of standard fittings.


Safely Connect in Seconds

FasTest’s ergonomic tools instantly attach to ports and threads - no wrenches, thread tape, or sealants for a leak-tight seal. 


Safety First

Multiple safety features are included in every tool, including pressure assisted sealing technology.


Durable Connection Tools

Engineered for precision and durability to withstand rigorous testing environments.


Quality Tools, Quality Tests

Engineered for the highest quality connection and seal. Reduce False Failures caused at the connection points.

Trusted by Industry Leaders

Custom Engineered Solutions

We transform connection tools into tailor-made solutions to fit your exact requirements. Our Team of engineers will work with you to identify and design the optimal Connection Tool for your testing needs. Having difficulty sealing a unique port? Issues with clearance? Work with our dedicated team of Custom Experts to build your perfect solution.

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Automate Your Leak Test Process with
ICON™ Intelligent Tools.

ICON™ is a process automation enabling technology engineered to enhance and maximize our customer’s testing process. 

  • Verify safe connections and reliable sealing.
  • Confirm step completion and set handshake points.

Integrating sensing and real-time data output into FasTest’s industry-leading connection tools. ICON™ puts the power in the hands of users to run smarter, safer, and faster tests. Whether you're making a manual connection or integrating automation, ICON™ technology has a connection solution for you.

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Contact an Automotive Vehicle Systems Expert