Mastercool 53010-AUT Automotive Pressure Testing Kit, Nitrogen Regulator, 38 Inch Charging Hose, R134a High Side Coupler, Blow-Molded Case

Mastercool 53010-AUT Automotive Pressure Testing Kit, Nitrogen Regulator, 38 Inch Charging Hose, R134a High Side Coupler, Blow-Molded Case

• Mastercool 53010-AUT is a single stage nitrogen pressure testing kit engineered to test automotive A/C systems for leaks when the system contains no refrigerant. The kit pairs a purpose-built nitrogen regulator with a 38 Inch charging hose, a leak testing adapter, an R134a high side coupler, and a blow-molded carrying case for shop-ready leak diagnostics.
• Features:
  • Single stage nitrogen regulator designed specifically for automotive A/C leak testing, so you can pressure test systems without adding refrigerant
  • 38 Inch yellow nylon barrier charging hose rated for high working pressures, giving safe reach and visibility during testing
  • Large T-handle control and 2-1/2 Inch gauges with rubber guards for easy, accurate pressure adjustments and clear readings
  • Includes a compact R134a high side economy coupler and leak testing adapter for inline pressure monitoring on vehicle service ports
  • Packaged in a blow-molded case for organized storage and transport to the shop or jobsite
• Includes:
  • Nitrogen Pressure Regulator, single stage, 1/4 Inch FL-M outlet, CGA580 fitting (Mastercool 53001)
  • 38 Inch yellow charging hose, 1/4 Inch x 1/4 Inch, working pressure 800 PSI, burst pressure 4000 PSI (47382)
  • Leak Testing Adapter with 1/4 Inch SAE hose connector, inline gauge and ball valve (53042)
  • High Side R134a 1/4 Inch FL-M x 16 mm economy coupler (66434-R)
  • Blow-molded carrying case (53000-PB)
• Specifications:
  • Manufacturer: Mastercool
  • Part Number: 53010-AUT
  • Regulator Outlet: 1/4 Inch SAE flare with control valve
  • Gauges: 2-1/2 Inch (63 mm) dial gauges with protective guards; high pressure gauge 4400 psig and low pressure gauge 1000 psig
  • Hose: 38 Inch yellow charging hose (1/4 Inch x 1/4 Inch), EPA, SAE, and UL compliant for refrigerant containment
  • Coupler: R134a high side economy coupler for tight-quarters access to service ports
  • Application: Automotive A/C leak testing and diagnostic pressure checks on systems when refrigerant has been removed
• The Mastercool 53010-AUT kit can also be referred to as nitrogen pressure test kit, automotive A/C leak tester, R134a high side test kit, 38 Inch regulator charging kit, and Mastercool pressure testing regulator kit.

Mastercool manufactures HVAC/R and automotive A/C service tools and test equipment used by professional technicians, offering regulators, hoses, adapters, and diagnostic kits engineered for accuracy and durability in workshop environments.

Q: Can I use this kit to find leaks without putting refrigerant in the system?
A: Yes. The single stage nitrogen regulator allows you to pressurize an empty A/C system with inert gas and check for leaks without adding refrigerant.

Q: What pressure and gauge sizes does the kit provide?
A: The kit uses 2-1/2 Inch dial gauges with guards; the regulator assembly includes both a high pressure and low pressure gauge for monitoring test pressure ranges documented by the manufacturer.

Q: Is the charging hose rated for shop pressures and refrigerant containment?
A: Yes. The included 38 Inch yellow nylon barrier charging hose is specified with an 800 PSI working pressure and a 4000 PSI burst rating and meets EPA, SAE, and UL containment requirements for refrigerant service.