LANG part description

Features and Benefits

  • For diesel fuel pressure and vacuum testing on GM 6.6L Duramax engines.
  • Gauge assembly with 6-ft. hose and quick coupler.
  • 3-1/2" gauge reads 30 inHg to 15 PSI

Lang® is a family-owned business specializing in the design and manufacture of professional hand tools, diagnostics, ratcheting wrenches, and specialty tools. It was established to help professional technicians and mechanics do their job better, faster, and easier. Formed by a family of expert toolmakers, Lang takes pride in its Ratcheting Box Wrench, a fully patented product that has become a standard in every mechanic's toolbox. All Lang tools are manufactured following strict quality control standards to ensure maximum efficiency. They are also engineered using high-quality materials for maximum strength and durability and are coated with special chrome plating for corrosion resistance.

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