The Pioneer of Modern Leak Testing

Automotive Leak Testing

These days, the world is spinning at higher RPMs

(Chinese Translation)

When it comes to automotive leak testing, no matter how smooth or rocky a road the automotive industry might be traveling, those in the manufacturing trenches, the true heroes, are expected to up their game.

automotive leak tester

Raise performance, regardless of time or circumstances.

As production cycles continue to shrink and assembly lines shift into high gear, automotive manufacturing facilities not only have to make the numbers, they make sure quality and integrity don’t suffer. It’s an honor to serve them.

Fast, accurate, reliable, and repeatable leak testing is more critical than ever.

Uson responds with engineered leak and functional test solutions that achieve maximum flexibility while maintaining the highest quality. Additionally, we provide such solutions for applications ranging from complete engines to fuel injectors, transmissions, brake components, cooling systems, electrical fittings, and much more. Furthermore, our methodology for automotive leak testing eliminates false rejects while keeping defective products from getting to market.

After 50 years in an industry, we practically invented, we are still the race leader, the go-to provider of leak and flow testing for the world’s major automobile manufacturers, transportation companies and their suppliers. So when they’re required to go faster, we’re right beside them making sure it’s safe to step on the gas.

Uson Leak Testing Equipment Engineered for Automotive Applications

Optima vT


Optima vT - Superb leak and flow testing versatility at your fingertips.

Versatile multi-sensor leak and flow testers with advanced features and increased flexibility.

Learn more about Optima vT >


Qualitek mR


Qualitek mR - The proven standard for fast, reliable leak testing.

Qualitek mR combines the latest advances in multi-range (mR) testing technology with the expertise and reliability of one of the premier names in testing.

Learn more about Qualitek mR >




Vector - The ultimate in testing performance, speed, flexibility and durability.

The fastest and most powerful testers on the market, the Vector family of testers raises performance to new levels of efficiency and productivity.

Learn more about Vector >


Uson 628

USON 628Uson 628 - Highly sensitive, budget-friendly differential pressure leak tester.

Uon’s 628 differential pressure decay leak tester is a compact, reliable, and accurate instrument that is ideal as a budget-friendly benchtop option for a wide range of industries.

Learn more about Uson 628 >



UIS (UIS) are precision engineered leak test systems for manual, semi-automatic and fully automated leak testing.

Learn more about UIS/Prex >


Automotive Leak Testing

Download Brochure
Automotive Leak Testing Brochure

Automotive Device Leak Testing Applications

  • Electric Vehicle (EV) Battery
  • Power Steering
  • Lamps and Lenses
  • Axles
  • Cylinder Heads
  • Cooling Systems
  • Brakes
  • Emission Controls
  • Cylinder Blocks
  • Engine Blocks
  • Engine Assemblies
  • Miscellaneous
  • Total Engines
  • Exhaust Systems
  • Engine Subassemblies
  • Fuel Systems
  • Transmissions
  • Electrical
  • Intake Manifolds

Download Full  List

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Contact Us


Uson L.P. - Corporate

8640 N. Eldridge Parkway
Houston, TX 77041 USA

Tel: +1-281-671-2000
Fax: +1-281-671-2001


Uson UK – Europe

Western Way
Bury St. Edmunds
Suffolk, IP33 3SP United Kingdom

Tel: +44-1284-760606
Fax: +44-1284-763049


Uson – China

Room 601, 567 Lan Gao Road
Shanghai, 200333, China

Main: 021-583 65859, 021-583 59187
Fax: 021-583 59185, 021-337 73559