Hydraulic Pipe Thread Adapters

Hydraulic Pipe Thread Adapters
  • Gates® - PolarSeal II™ 13/32" Straight Female O-Ring Coupling (ACC) with R134 Service Port H
    Gates® - PolarSeal II™ 13/32" Straight Female O-Ring Coupling (ACC) with R134 Service Port H (G46588-0808H)
    1
    # mpn1894216171
    PolarSeal II™ 13/32" Straight Female O-Ring Coupling (ACC) with R134 Service Port H (G46588-0808H) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...
    High quality at an affordable priceExpertly made from premium materials
    $31.76
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal II™ 5/8" Clamp Assemblies Coupling (ACC)
    Gates® - PolarSeal II™ 5/8" Clamp Assemblies Coupling (ACC) (G46995-0012)
    1
    # mpn1894222330
    PolarSeal II™ 5/8" Clamp Assemblies Coupling (ACC) (G46995-0012) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...
    High quality at an affordable priceExpertly made from premium materials
    $7.69
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal II™ 5/8" Splicer Coupling (ACC) with R134 Service Port L
    Gates® - PolarSeal II™ 5/8" Splicer Coupling (ACC) with R134 Service Port L (G46956-1212L)
    1
    # mpn1894208563
    PolarSeal II™ 5/8" Splicer Coupling (ACC) with R134 Service Port L (G46956-1212L) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers...
    High quality at an affordable priceExpertly made from premium materials
    $30.09
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Female Braze-On Stems Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Aluminum Female Braze-On Stems Coupling (ACA) (G45527-1010)
    1
    # mpn1894215290
    PolarSeal™ 1/2" Aluminum Female Braze-On Stems Coupling (ACA) (G45527-1010) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...
    High quality at an affordable priceExpertly made from premium materials
    $8.79
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Female SAE 45° Flare Swivel 45° Bent Tube Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Aluminum Female SAE 45° Flare Swivel 45° Bent Tube Coupling (ACA) (G45202-1010)
    1
    # mpn1894197656
    PolarSeal™ 1/2" Aluminum Female SAE 45° Flare Swivel 45° Bent Tube Coupling (ACA) (G45202-1010) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...
    High quality at an affordable priceExpertly made from premium materials
    $4.65
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Female SAE 45° Flare Swivel Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Aluminum Female SAE 45° Flare Swivel Coupling (ACA) (G45200-1010)
    1
    # mpn1894215303
    PolarSeal™ 1/2" Aluminum Female SAE 45° Flare Swivel Coupling (ACA) (G45200-1010) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers...
    High quality at an affordable priceExpertly made from premium materials
    $8.65
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel 45° Bent Tube Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel 45° Bent Tube Coupling (ACA) (G45591-1008)
    1
    # mpn1894215258
    PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel 45° Bent Tube Coupling (ACA) (G45591-1008) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
    High quality at an affordable priceExpertly made from premium materials
    $11.38
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel 45° Bent Tube Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel 45° Bent Tube Coupling (ACA) (G45591-1010)
    1
    # mpn1894197613
    PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel 45° Bent Tube Coupling (ACA) (G45591-1010) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
    High quality at an affordable priceExpertly made from premium materials
    $12.59
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel 90° Bent Tube Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel 90° Bent Tube Coupling (ACA) (G45592-1008)
    1
    # mpn1894215254
    PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel 90° Bent Tube Coupling (ACA) (G45592-1008) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
    High quality at an affordable priceExpertly made from premium materials
    $8.13
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel 90° Bent Tube Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel 90° Bent Tube Coupling (ACA) (G45592-1012)
    1
    # mpn1894215253
    PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel 90° Bent Tube Coupling (ACA) (G45592-1012) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
    High quality at an affordable priceExpertly made from premium materials
    $16.55
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel 90° Bent Tube Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel 90° Bent Tube Coupling (ACA) (G45592-1010)
    1
    # mpn1894197609
    PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel 90° Bent Tube Coupling (ACA) (G45592-1010) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
    High quality at an affordable priceExpertly made from premium materials
    $9.48
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45590-1010)
    1
    # mpn1894215262
    PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45590-1010) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
    High quality at an affordable priceExpertly made from premium materials
    $10.95
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45590-1012)
    1
    # mpn1894207679
    PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45590-1012) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
    High quality at an affordable priceExpertly made from premium materials
    $11.50
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45590-1008)
    1
    # mpn1894197616
    PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45590-1008) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
    High quality at an affordable priceExpertly made from premium materials
    $10.01
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA) with R134a Service Port 90° Bent Tube
    Gates® - PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA) with R134a Service Port 90° Bent Tube (G45589-1010)
    1
    # mpn1894207683
    PolarSeal™ 1/2" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA) with R134a Service Port 90° Bent Tube (G45589-1010) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using...
    High quality at an affordable priceExpertly made from premium materials
    $23.88
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Hose Length Extender Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Aluminum Hose Length Extender Coupling (ACA) (G45535-1010)
    1
    # mpn1894197642
    PolarSeal™ 1/2" Aluminum Hose Length Extender Coupling (ACA) (G45535-1010) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...
    High quality at an affordable priceExpertly made from premium materials
    $7.33
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Hose Splicer Coupling (ACA) with R134a Service Port
    Gates® - PolarSeal™ 1/2" Aluminum Hose Splicer Coupling (ACA) with R134a Service Port (G45956-1010)
    1
    # mpn1894197568
    PolarSeal™ 1/2" Aluminum Hose Splicer Coupling (ACA) with R134a Service Port (G45956-1010) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
    High quality at an affordable priceExpertly made from premium materials
    $18.99
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Male Inverted O-Ring Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Aluminum Male Inverted O-Ring Coupling (ACA) (G45597-1010)
    1
    # mpn1894197599
    PolarSeal™ 1/2" Aluminum Male Inverted O-Ring Coupling (ACA) (G45597-1010) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...
    High quality at an affordable priceExpertly made from premium materials
    $10.60
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Male Metric Flareless Assembly Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Aluminum Male Metric Flareless Assembly Coupling (ACA) (G45935-1015)
    1
    # mpn1894215227
    PolarSeal™ 1/2" Aluminum Male Metric Flareless Assembly Coupling (ACA) (G45935-1015) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
    High quality at an affordable priceExpertly made from premium materials
    $11.33
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Male SAE Flareless Assembly Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Aluminum Male SAE Flareless Assembly Coupling (ACA) (G45510-1008)
    1
    # mpn1894215295
    PolarSeal™ 1/2" Aluminum Male SAE Flareless Assembly Coupling (ACA) (G45510-1008) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers...
    High quality at an affordable priceExpertly made from premium materials
    $17.46
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Male SAE Tube O-Ring Nut 90° Bent Tube Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Aluminum Male SAE Tube O-Ring Nut 90° Bent Tube Coupling (ACA) (G45585-1010)
    1
    # mpn1894222147
    PolarSeal™ 1/2" Aluminum Male SAE Tube O-Ring Nut 90° Bent Tube Coupling (ACA) (G45585-1010) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...
    High quality at an affordable priceExpertly made from premium materials
    $9.63
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Aluminum Male SAE Tube O-Ring Nut Swivel Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Aluminum Male SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45583-1010)
    1
    # mpn1894207696
    PolarSeal™ 1/2" Aluminum Male SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45583-1010) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
    High quality at an affordable priceExpertly made from premium materials
    $8.84
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Steel Compressor Female Tube O-Ring Nut Coupling (ACA) with 134a Service Port 90° Block
    Gates® - PolarSeal™ 1/2" Steel Compressor Female Tube O-Ring Nut Coupling (ACA) with 134a Service Port 90° Block (G45960-1010S)
    1
    # mpn1894216198
    PolarSeal™ 1/2" Steel Compressor Female Tube O-Ring Nut Coupling (ACA) with 134a Service Port 90° Block (G45960-1010S) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using...
    High quality at an affordable priceExpertly made from premium materials
    $35.04
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Steel Female SAE 45° Flare Swivel Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Steel Female SAE 45° Flare Swivel Coupling (ACA) (G45200-1010S)
    1
    # mpn1894197658
    PolarSeal™ 1/2" Steel Female SAE 45° Flare Swivel Coupling (ACA) (G45200-1010S) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers...
    High quality at an affordable priceExpertly made from premium materials
    $14.10
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Steel Female SAE Tube O-Ring Nut Swivel 45° Bent Tube Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Steel Female SAE Tube O-Ring Nut Swivel 45° Bent Tube Coupling (ACA) (G45591-1010S)
    1
    # mpn1894207675
    PolarSeal™ 1/2" Steel Female SAE Tube O-Ring Nut Swivel 45° Bent Tube Coupling (ACA) (G45591-1010S) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...
    High quality at an affordable priceExpertly made from premium materials
    $19.90
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Steel Female SAE Tube O-Ring Nut Swivel Coupling (ACA) with R134a Service Port 90° Bent Tube
    Gates® - PolarSeal™ 1/2" Steel Female SAE Tube O-Ring Nut Swivel Coupling (ACA) with R134a Service Port 90° Bent Tube (G45589-1010S)
    1
    # mpn1894215265
    PolarSeal™ 1/2" Steel Female SAE Tube O-Ring Nut Swivel Coupling (ACA) with R134a Service Port 90° Bent Tube (G45589-1010S) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using...
    High quality at an affordable priceExpertly made from premium materials
    $26.42
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Steel Male Inverted O-Ring Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Steel Male Inverted O-Ring Coupling (ACA) (G45597-1010S)
    1
    # mpn1894207660
    PolarSeal™ 1/2" Steel Male Inverted O-Ring Coupling (ACA) (G45597-1010S) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind....
    High quality at an affordable priceExpertly made from premium materials
    $28.47
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Steel Male SAE Tube O-Ring Nut 90° Bent Tube Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Steel Male SAE Tube O-Ring Nut 90° Bent Tube Coupling (ACA) (G45585-1010S)
    1
    # mpn1894197626
    PolarSeal™ 1/2" Steel Male SAE Tube O-Ring Nut 90° Bent Tube Coupling (ACA) (G45585-1010S) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
    High quality at an affordable priceExpertly made from premium materials
    $12.26
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 1/2" Steel Male SAE Tube O-Ring Nut Swivel Coupling (ACA)
    Gates® - PolarSeal™ 1/2" Steel Male SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45583-1010S)
    1
    # mpn1894215277
    PolarSeal™ 1/2" Steel Male SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45583-1010S) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
    High quality at an affordable priceExpertly made from premium materials
    $14.39
    In Stock - Ships within 24 hrs
  • Gates® - PolarSeal™ 13/32" Aluminum Female Braze-On Stems Coupling (ACA)
    Gates® - PolarSeal™ 13/32" Aluminum Female Braze-On Stems Coupling (ACA) (G45527-0808)
    1
    # mpn1894222151
    PolarSeal™ 13/32" Aluminum Female Braze-On Stems Coupling (ACA) (G45527-0808) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...
    High quality at an affordable priceExpertly made from premium materials
    $8.32
    In Stock - Ships within 24 hrs




In hydraulic and pneumatic systems, fittings provide the connections between hoses, pipes, and other parts of the installation, including valves, pumps, and tanks. The large availability of Couplings and other fittings can be somewhat confusing and create misunderstanding on their peculiar characteristics. In general, a fitting is a part designed to provide a reliable connection with other components. An adapter is a component that forms a joint between couplings having different types or sizes. In some cases, adapters can work as fittings. The creative but rigorous combinations of different fittings allow designers and engineers to compose efficient hydraulic systems, getting the most from each installation.

Adapters are made from various materials including rubber, brass, and steel. Available types cover all the possible situations; the frequently used ones are female to female, male to female, male to male, barbed, and female cap nut variants, among many others. You can find a wide range of hydraulic pipe thread adapters on our virtual shelves. Made by trustworthy companies, our products meet the highest industry standards for the category and are offered at reasonable prices.

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