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Flexfab

Flexfab is the standard in silicone hose for the systems that punish ordinary rubber. From blue and green silicone heater and coolant hose to turbo sleeves, charge air connectors, reducers, elbows, and stainless clamps, Flexfab products are engineered for the heat, pressure, and vibration of diesel, marine, transit, and heavy-duty applications. Built in the USA. Shop the full Flexfab range below by hose series, type, size, or color.

  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 51.39
    $ 51.39 - $ 51.39
    $ 51.39
    $ 41.09
    $ 41.09 - $ 41.09
    $ 41.09

    Flexfab 7903-225300, 2.25" to 3.00" ID Silicone Reducer, Blue Coolant / Charge Air, 6.00" OAL

    In stock

    Step cleanly between two pipe sizes with the Flexfab 7903-225300 silicone reducer. Its 4-ply meta-aramid construction handles the heat and boost pr...

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    $ 51.39
    $ 51.39 - $ 51.39
    $ 51.39
    $ 41.09
    $ 41.09 - $ 41.09
    $ 41.09
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  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 42.59
    $ 42.59 - $ 42.59
    $ 42.59
    $ 34.09
    $ 34.09 - $ 34.09
    $ 34.09

    Flexfab 7903-225275, 2.25" to 2.75" ID Silicone Reducer, Blue Coolant / Charge Air, 6.00" OAL

    In stock

    Step cleanly between two pipe sizes with the Flexfab 7903-225275 silicone reducer. Its 4-ply meta-aramid construction handles the heat and boost pr...

    View full details
    $ 42.59
    $ 42.59 - $ 42.59
    $ 42.59
    $ 34.09
    $ 34.09 - $ 34.09
    $ 34.09
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  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 39.89
    $ 39.89 - $ 39.89
    $ 39.89
    $ 31.99
    $ 31.99 - $ 31.99
    $ 31.99

    Flexfab 7903-225250, 2.25" to 2.50" ID Silicone Reducer, Blue Coolant / Charge Air, 6.00" OAL

    In stock

    Step cleanly between two pipe sizes with the Flexfab 7903-225250 silicone reducer. Its 4-ply meta-aramid construction handles the heat and boost pr...

    View full details
    $ 39.89
    $ 39.89 - $ 39.89
    $ 39.89
    $ 31.99
    $ 31.99 - $ 31.99
    $ 31.99
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  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 49.99
    $ 49.99 - $ 49.99
    $ 49.99
    $ 39.99
    $ 39.99 - $ 39.99
    $ 39.99

    Flexfab 7903-200300, 2.00" to 3.00" ID Silicone Reducer, Blue Coolant / Charge Air, 6.00" OAL

    In stock

    Step cleanly between two pipe sizes with the Flexfab 7903-200300 silicone reducer. Its 4-ply meta-aramid construction handles the heat and boost pr...

    View full details
    $ 49.99
    $ 49.99 - $ 49.99
    $ 49.99
    $ 39.99
    $ 39.99 - $ 39.99
    $ 39.99
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  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 48.39
    $ 48.39 - $ 48.39
    $ 48.39
    $ 38.79
    $ 38.79 - $ 38.79
    $ 38.79

    Flexfab 7903-200275, 2.00" to 2.75" ID Silicone Reducer, Blue Coolant / Charge Air, 6.00" OAL

    In stock

    Step cleanly between two pipe sizes with the Flexfab 7903-200275 silicone reducer. Its 4-ply meta-aramid construction handles the heat and boost pr...

    View full details
    $ 48.39
    $ 48.39 - $ 48.39
    $ 48.39
    $ 38.79
    $ 38.79 - $ 38.79
    $ 38.79
    Save 20% Save %
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    Save 20% Save %
    $ 39.09
    $ 39.09 - $ 39.09
    $ 39.09
    $ 31.29
    $ 31.29 - $ 31.29
    $ 31.29

    Flexfab 7903-200250, 2.00" to 2.50" ID Silicone Reducer, Blue Coolant / Charge Air, 6.00" OAL

    In stock

    Step cleanly between two pipe sizes with the Flexfab 7903-200250 silicone reducer. Its 4-ply meta-aramid construction handles the heat and boost pr...

    View full details
    $ 39.09
    $ 39.09 - $ 39.09
    $ 39.09
    $ 31.29
    $ 31.29 - $ 31.29
    $ 31.29
    Save 20% Save %
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 37.29
    $ 37.29 - $ 37.29
    $ 37.29
    $ 29.79
    $ 29.79 - $ 29.79
    $ 29.79

    Flexfab 7903-200225, 2.00" to 2.25" ID Silicone Reducer, Blue Coolant / Charge Air, 6.00" OAL

    In stock

    Step cleanly between two pipe sizes with the Flexfab 7903-200225 silicone reducer. Its 4-ply meta-aramid construction handles the heat and boost pr...

    View full details
    $ 37.29
    $ 37.29 - $ 37.29
    $ 37.29
    $ 29.79
    $ 29.79 - $ 29.79
    $ 29.79
    Save 20% Save %
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 37.89
    $ 37.89 - $ 37.89
    $ 37.89
    $ 30.39
    $ 30.39 - $ 30.39
    $ 30.39

    Flexfab 7903-175200, 1.75" to 2.00" ID Silicone Reducer, Blue Coolant / Charge Air, 6.00" OAL

    In stock

    Step cleanly between two pipe sizes with the Flexfab 7903-175200 silicone reducer. Its 4-ply meta-aramid construction handles the heat and boost pr...

    View full details
    $ 37.89
    $ 37.89 - $ 37.89
    $ 37.89
    $ 30.39
    $ 30.39 - $ 30.39
    $ 30.39
    Save 20% Save %
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 37.79
    $ 37.79 - $ 37.79
    $ 37.79
    $ 30.19
    $ 30.19 - $ 30.19
    $ 30.19

    Flexfab 7903-150200, 1.50" to 2.00" ID Silicone Reducer, Blue Coolant / Charge Air, 6.00" OAL

    In stock

    Step cleanly between two pipe sizes with the Flexfab 7903-150200 silicone reducer. Its 4-ply meta-aramid construction handles the heat and boost pr...

    View full details
    $ 37.79
    $ 37.79 - $ 37.79
    $ 37.79
    $ 30.19
    $ 30.19 - $ 30.19
    $ 30.19
    Save 20% Save %
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    Save 20% Save %
    $ 37.59
    $ 37.59 - $ 37.59
    $ 37.59
    $ 30.09
    $ 30.09 - $ 30.09
    $ 30.09

    Flexfab 7903-125200, 1.25" to 2.00" ID Silicone Reducer, Blue Coolant / Charge Air, 6.00" OAL

    In stock

    Step cleanly between two pipe sizes with the Flexfab 7903-125200 silicone reducer. Its 4-ply meta-aramid construction handles the heat and boost pr...

    View full details
    $ 37.59
    $ 37.59 - $ 37.59
    $ 37.59
    $ 30.09
    $ 30.09 - $ 30.09
    $ 30.09
    Save 20% Save %
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    Save 20% Save %
    $ 39.69
    $ 39.69 - $ 39.69
    $ 39.69
    $ 31.69
    $ 31.69 - $ 31.69
    $ 31.69

    Flexfab 7903-100200, 1.00" to 2.00" ID Silicone Reducer, Blue Coolant / Charge Air, 6.00" OAL

    In stock

    Step cleanly between two pipe sizes with the Flexfab 7903-100200 silicone reducer. Its 4-ply meta-aramid construction handles the heat and boost pr...

    View full details
    $ 39.69
    $ 39.69 - $ 39.69
    $ 39.69
    $ 31.69
    $ 31.69 - $ 31.69
    $ 31.69
    Save 20% Save %
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 35.79
    $ 35.79 - $ 35.79
    $ 35.79
    $ 28.59
    $ 28.59 - $ 28.59
    $ 28.59

    Flexfab 7903-100175, 1.00" to 1.75" ID Silicone Reducer, Blue Coolant / Charge Air, 6.00" OAL

    In stock

    Step cleanly between two pipe sizes with the Flexfab 7903-100175 silicone reducer. Its 4-ply meta-aramid construction handles the heat and boost pr...

    View full details
    $ 35.79
    $ 35.79 - $ 35.79
    $ 35.79
    $ 28.59
    $ 28.59 - $ 28.59
    $ 28.59
    Save 20% Save %
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    Save 20% Save %
    $ 34.09
    $ 34.09 - $ 34.09
    $ 34.09
    $ 27.29
    $ 27.29 - $ 27.29
    $ 27.29

    Flexfab 7903-100150, 1.00" to 1.50" ID Silicone Reducer, Blue Coolant / Charge Air, 6.00" OAL

    In stock

    Step cleanly between two pipe sizes with the Flexfab 7903-100150 silicone reducer. Its 4-ply meta-aramid construction handles the heat and boost pr...

    View full details
    $ 34.09
    $ 34.09 - $ 34.09
    $ 34.09
    $ 27.29
    $ 27.29 - $ 27.29
    $ 27.29
    Save 20% Save %
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    Save 20% Save %
    $ 32.39
    $ 32.39 - $ 32.39
    $ 32.39
    $ 25.89
    $ 25.89 - $ 25.89
    $ 25.89

    Flexfab 7903-100125, 1.00" to 1.25" ID Silicone Reducer, Blue Coolant / Charge Air, 6.00" OAL

    In stock

    Step cleanly between two pipe sizes with the Flexfab 7903-100125 silicone reducer. Its 4-ply meta-aramid construction handles the heat and boost pr...

    View full details
    $ 32.39
    $ 32.39 - $ 32.39
    $ 32.39
    $ 25.89
    $ 25.89 - $ 25.89
    $ 25.89
    Save 20% Save %
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 160.39
    $ 160.39 - $ 160.39
    $ 160.39
    $ 128.29
    $ 128.29 - $ 128.29
    $ 128.29

    Flexfab 7896-400, 4.00" ID 45° Silicone Elbow, Blue Coolant / Charge Air, 9.50" Legs

    In stock

    Turn a tight corner in your coolant or charge-air plumbing with the Flexfab 7896-400 45° silicone elbow. Its low-dilation, 3-ply meta-aramid constr...

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    $ 160.39
    $ 160.39 - $ 160.39
    $ 160.39
    $ 128.29
    $ 128.29 - $ 128.29
    $ 128.29
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  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 144.69
    $ 144.69 - $ 144.69
    $ 144.69
    $ 115.79
    $ 115.79 - $ 115.79
    $ 115.79

    Flexfab 7896-350, 3.50" ID 45° Silicone Elbow, Blue Coolant / Charge Air, 8.50" Legs

    In stock

    Turn a tight corner in your coolant or charge-air plumbing with the Flexfab 7896-350 45° silicone elbow. Its low-dilation, 3-ply meta-aramid constr...

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    $ 144.69
    $ 144.69 - $ 144.69
    $ 144.69
    $ 115.79
    $ 115.79 - $ 115.79
    $ 115.79
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  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    Save 20% Save %
    $ 121.59
    $ 121.59 - $ 121.59
    $ 121.59
    $ 97.29
    $ 97.29 - $ 97.29
    $ 97.29

    Flexfab 7896-300, 3.00" ID 45° Silicone Elbow, Blue Coolant / Charge Air, 7.50" Legs

    In stock

    Turn a tight corner in your coolant or charge-air plumbing with the Flexfab 7896-300 45° silicone elbow. Its low-dilation, 3-ply meta-aramid constr...

    View full details
    $ 121.59
    $ 121.59 - $ 121.59
    $ 121.59
    $ 97.29
    $ 97.29 - $ 97.29
    $ 97.29
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  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 108.29
    $ 108.29 - $ 108.29
    $ 108.29
    $ 86.59
    $ 86.59 - $ 86.59
    $ 86.59

    Flexfab 7896-275, 2.75" ID 45° Silicone Elbow, Blue Coolant / Charge Air, 7.00" Legs

    In stock

    Turn a tight corner in your coolant or charge-air plumbing with the Flexfab 7896-275 45° silicone elbow. Its low-dilation, 3-ply meta-aramid constr...

    View full details
    $ 108.29
    $ 108.29 - $ 108.29
    $ 108.29
    $ 86.59
    $ 86.59 - $ 86.59
    $ 86.59
    Save 20% Save %
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    Save 20% Save %
    $ 99.79
    $ 99.79 - $ 99.79
    $ 99.79
    $ 79.79
    $ 79.79 - $ 79.79
    $ 79.79

    Flexfab 7896-250, 2.50" ID 45° Silicone Elbow, Blue Coolant / Charge Air, 6.00" Legs

    In stock

    Turn a tight corner in your coolant or charge-air plumbing with the Flexfab 7896-250 45° silicone elbow. Its low-dilation, 3-ply meta-aramid constr...

    View full details
    $ 99.79
    $ 99.79 - $ 99.79
    $ 99.79
    $ 79.79
    $ 79.79 - $ 79.79
    $ 79.79
    Save 20% Save %
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    Save 20% Save %
    $ 86.69
    $ 86.69 - $ 86.69
    $ 86.69
    $ 69.39
    $ 69.39 - $ 69.39
    $ 69.39

    Flexfab 7896-225, 2.25" ID 45° Silicone Elbow, Blue Coolant / Charge Air, 6.00" Legs

    In stock

    Turn a tight corner in your coolant or charge-air plumbing with the Flexfab 7896-225 45° silicone elbow. Its low-dilation, 3-ply meta-aramid constr...

    View full details
    $ 86.69
    $ 86.69 - $ 86.69
    $ 86.69
    $ 69.39
    $ 69.39 - $ 69.39
    $ 69.39
    Save 20% Save %
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 83.39
    $ 83.39 - $ 83.39
    $ 83.39
    $ 66.69
    $ 66.69 - $ 66.69
    $ 66.69

    Flexfab 7896-200, 2.00" ID 45° Silicone Elbow, Blue Coolant / Charge Air, 6.00" Legs

    In stock

    Turn a tight corner in your coolant or charge-air plumbing with the Flexfab 7896-200 45° silicone elbow. Its low-dilation, 3-ply meta-aramid constr...

    View full details
    $ 83.39
    $ 83.39 - $ 83.39
    $ 83.39
    $ 66.69
    $ 66.69 - $ 66.69
    $ 66.69
    Save 20% Save %
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    Save 20% Save %
    $ 78.39
    $ 78.39 - $ 78.39
    $ 78.39
    $ 62.79
    $ 62.79 - $ 62.79
    $ 62.79

    Flexfab 7896-175, 1.75" ID 45° Silicone Elbow, Blue Coolant / Charge Air, 6.00" Legs

    In stock

    Turn a tight corner in your coolant or charge-air plumbing with the Flexfab 7896-175 45° silicone elbow. Its low-dilation, 3-ply meta-aramid constr...

    View full details
    $ 78.39
    $ 78.39 - $ 78.39
    $ 78.39
    $ 62.79
    $ 62.79 - $ 62.79
    $ 62.79
    Save 20% Save %
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    Save 20% Save %
    $ 69.69
    $ 69.69 - $ 69.69
    $ 69.69
    $ 55.79
    $ 55.79 - $ 55.79
    $ 55.79

    Flexfab 7896-150, 1.50" ID 45° Silicone Elbow, Blue Coolant / Charge Air, 6.00" Legs

    In stock

    Turn a tight corner in your coolant or charge-air plumbing with the Flexfab 7896-150 45° silicone elbow. Its low-dilation, 3-ply meta-aramid constr...

    View full details
    $ 69.69
    $ 69.69 - $ 69.69
    $ 69.69
    $ 55.79
    $ 55.79 - $ 55.79
    $ 55.79
    Save 20% Save %
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    Save 20% Save %
    $ 64.29
    $ 64.29 - $ 64.29
    $ 64.29
    $ 51.39
    $ 51.39 - $ 51.39
    $ 51.39

    Flexfab 7896-125, 1.25" ID 45° Silicone Elbow, Blue Coolant / Charge Air, 6.00" Legs

    In stock

    Turn a tight corner in your coolant or charge-air plumbing with the Flexfab 7896-125 45° silicone elbow. Its low-dilation, 3-ply meta-aramid constr...

    View full details
    $ 64.29
    $ 64.29 - $ 64.29
    $ 64.29
    $ 51.39
    $ 51.39 - $ 51.39
    $ 51.39
    Save 20% Save %