AC Gauges, Couplers & Hoses

Browse our selection of A/C gauges, couplers, and hoses designed for accurate automotive air conditioning diagnostics and service. This collection includes manifold gauge sets, R-134a and R-1234yf couplers, charging hoses, and brass quick-connect fittings for secure, leak-free connections to A/C systems. Built for professional technicians and fleet service environments, all components support high-pressure performance and direct fit compatibility with OEM service ports.

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  • R134a Hose - Red - 72 inch - Standard, each

    R134a Hose - Red - 72 inch - Standard, each

    R134a Hose - Red - 72 inch - Standard, each

    $14.98 USD
    $14.98 USD
  • R134a Hose - Blue - 72 inch - Standard, each

    R134a Hose - Blue - 72 inch - Standard, each

    R134a Hose - Blue - 72 inch - Standard, each

    $14.95 USD
    $14.95 USD
  • 90° High Side R-12 to R-134a Conversion Quick Coupler, each

    90° High Side R-12 to R-134a Conversion Quick Coupler, each

    90° High Side R-12 to R-134a Conversion Quick Coupler, each

    $22.38 USD
    $22.38 USD
  • Replacement R134a 72" Hose Set of 3 - Red, Yellow, Blue

    Replacement R134a 72" Hose Set of 3 - Red, Yellow, Blue

    Replacement R134a 72" Hose Set of 3 - Red, Yellow, Blue

    $59.38 USD
    $59.38 USD
  • SM716-1

    Milton S-716 1/4" Male MNPT M Style Industrial Air fitting Quick Connect Coupler

    Milton S-716 1/4" Male MNPT M Style Industrial Air fitting Quick Connect Coupler

    $14.95 USD
    $14.95 USD
  • AC6045-1

    FJC 6045 R134a Charging Hose For Piercing Valve Cans Tap with Durable Coupler

    FJC 6045 R134a Charging Hose For Piercing Valve Cans Tap with Durable Coupler

    $37.14 USD
    $37.14 USD
  • Flexzilla Air Hose, 1/2" X 100', 3/8"

    Flexzilla Air Hose, 1/2" X 100', 3/8"

    Flexzilla Air Hose, 1/2" X 100', 3/8"1/2 in diameter hose. 100 feet of length. 3/8" MNPT Fittings.Flexzilla is...

    $411.99 USD
    $411.99 USD
  • R-134a Tank to R12 Manifold Conversion Coupler, each

    R-134a Tank to R12 Manifold Conversion Coupler, each

    R-134a Tank to R12 Manifold Conversion Coupler, each

    $6.25 USD
    $6.25 USD
  • High Side R-12 to R-134a Conversion Quick Coupler, each

    High Side R-12 to R-134a Conversion Quick Coupler, each

    High Side R-12 to R-134a Conversion Quick Coupler, each

    $22.38 USD
    $22.38 USD
  • R-134a Can Tap Hose with Gauge & Brass Coupler ( 24 Inch Hose)

    R-134a Can Tap Hose with Gauge & Brass Coupler ( 24 Inch Hose)

    R-134a Can Tap Hose with Gauge & Brass Coupler ( 24 Inch Hose)

    $29.83 USD
    $29.83 USD