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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  • 5/8" Heater Hose Connector (Polyethylene)

    5/8" Heater Hose Connector (Polyethylene)

    5/8" Heater Hose Connector (Polyethylene)

    $0.99 USD
    $0.99 USD
  • R-134a / R12 Oil & Dye Injector (2oz capacity)

    R-134a / R12 Oil & Dye Injector (2oz capacity)

    R-134a / R12 Oil & Dye Injector (2oz capacity)

    $57.38 USD
    $57.38 USD
  • 3 pc Straight R-12 to R-134a Conversion Coupler Assortment Kit, each

    3 pc Straight R-12 to R-134a Conversion Coupler Assortment Kit, each

    3 pc Straight R-12 to R-134a Conversion Coupler Assortment Kit, each

    $44.88 USD
    $44.88 USD
  • R134a Straight Anti-Blowback Valve 1/2" ACME Male x 1/2" ACME Female

    R134a Straight Anti-Blowback Valve 1/2" ACME Male x 1/2" ACME Female

    R134a Straight Anti-Blowback Valve 1/2" ACME Male x 1/2" ACME Female

    $16.88 USD
    $16.88 USD
  • R134a U-Charge Hose w/Coupler

    R134a U-Charge Hose w/Coupler

    R134a U-Charge Hose w/Coupler

    $9.75 USD
    $9.75 USD
  • R12 & R134a Hose Seal, 5 PK

    R12 & R134a Hose Seal, 5 PK

    R12 & R134a Hose Seal, 5 PK

    $0.24 USD
    $0.24 USD
  • FJC 2805YF A/C Refrigerant R-1234yf Pressure Check Gauge

    FJC 2805YF A/C Refrigerant R-1234yf Pressure Check Gauge

    FJC 2805YF A/C Refrigerant R-1234yf Pressure Check Gauge

    $44.49 USD
    $44.49 USD
  • Milton type 1/4" NPT Female Brass Coupler & Pin Kit

    Milton type 1/4" NPT Female Brass Coupler & Pin Kit

    Milton type 1/4"" NPT Female Brass Coupler & Pin Kit

    $14.95 USD
    $14.95 USD
  • R134a Hose Seal, 5 PK

    R134a Hose Seal, 5 PK

    R134a Hose Seal, 5 PK

    $0.28 USD
    $0.28 USD
  • #12 Size Steel Ferrules for AC Hose Repair - 5 pk

    #12 Size Steel Ferrules for AC Hose Repair - 5 pk

    #12 Size Steel Ferrules for AC Hose Repair - 5 pk

    $15.75 USD
    $15.75 USD
  • #6 Size Steel Ferrules for AC Hose Repair, 5 pk

    #6 Size Steel Ferrules for AC Hose Repair, 5 pk

    #6 Size Steel Ferrules for AC Hose Repair, 5 pk

    $12.50 USD
    $12.50 USD
  • 90° High Side R-134a Quick Coupler 14mm x 1.5, each

    90° High Side R-134a Quick Coupler 14mm x 1.5, each

    90° High Side R-134a Quick Coupler 14mm x 1.5, each

    $22.38 USD
    $22.38 USD
  • Vacuum Pump Tee

    Vacuum Pump Tee

    Vacuum Pump Tee

    $17.25 USD
    $17.25 USD
  • R134a Coupler to R-12 Hose Adapter, each

    R134a Coupler to R-12 Hose Adapter, each

    R134a Coupler to R-12 Hose Adapter, each

    $6.25 USD
    $6.25 USD
  • 3 pc 90° R-12 to R-134a Conversion Coupler Assortment Kit, each

    3 pc 90° R-12 to R-134a Conversion Coupler Assortment Kit, each

    3 pc 90° R-12 to R-134a Conversion Coupler Assortment Kit, each

    $41.00 USD
    $41.00 USD
  • FJC 2805 A/C Refrigerant R-134a Pressure Check Gauge

    FJC 2805 A/C Refrigerant R-134a Pressure Check Gauge

    FJC 2805 A/C Refrigerant R-134a Pressure Check Gauge

    $41.55 USD
    $41.55 USD
  • #10 Size Steel Ferrules for AC Hose Repair - 5 pk

    #10 Size Steel Ferrules for AC Hose Repair - 5 pk

    #10 Size Steel Ferrules for AC Hose Repair - 5 pk

    $12.00 USD
    $12.00 USD
  • FJC, Inc. 6427 R134a Refrigerant Hose 72" Yellow Premium

    FJC, Inc. 6427 R134a Refrigerant Hose 72" Yellow Premium

    FJC, Inc. 6427 R134a Refrigerant Hose 72" Yellow Premium

    $19.95 USD
    $19.95 USD
  • R134a Hose 36 inch Yellow - Premium, each

    R134a Hose 36 inch Yellow - Premium, each

    R134a Hose 36 inch Yellow - Premium, each

    $18.76 USD
    $18.76 USD
  • 90° Low Side R-134a Quick Coupler 14mm x 1.5, each

    90° Low Side R-134a Quick Coupler 14mm x 1.5, each

    90° Low Side R-134a Quick Coupler 14mm x 1.5, each

    $22.38 USD
    $22.38 USD
  • 90° Low Side R-12 to R-134a Conversion Quick Coupler, each

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

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

    $22.38 USD
    $22.38 USD
  • R134a Hose - Red - 36 inch - Standard, each

    R134a Hose - Red - 36 inch - Standard, each

    R134a Hose - Red - 36 inch - Standard, each

    $13.95 USD
    $13.95 USD
  • Low Side R-12 to R-134a Conversion Quick Coupler, each

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

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

    $22.38 USD
    $22.38 USD
  • FJC R134a Highside Replacement Gauge HS 6135

    FJC R134a Highside Replacement Gauge HS 6135

    FJC R134a Highside Replacement Gauge HS 6135

    $12.95 USD
    $12.95 USD