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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.

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Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 103.69
$ 103.69 - $ 103.69
$ 103.69
$ 82.99
$ 82.99 - $ 82.99
$ 82.99

Flexfab 5581-200, 2.00" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 51mm

Product Details The Flexfab 5581-200 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 103.69
$ 103.69 - $ 103.69
$ 103.69
$ 82.99
$ 82.99 - $ 82.99
$ 82.99
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Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 410.09
$ 410.09 - $ 410.09
$ 410.09
$ 328.09
$ 328.09 - $ 328.09
$ 328.09

Flexfab 5581-187X12, 1.88" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 48mm

Product Details The Flexfab 5581-187X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 410.09
$ 410.09 - $ 410.09
$ 410.09
$ 328.09
$ 328.09 - $ 328.09
$ 328.09
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Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 102.49
$ 102.49 - $ 102.49
$ 102.49
$ 81.99
$ 81.99 - $ 81.99
$ 81.99

Flexfab 5581-187, 1.88" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 48mm

Product Details The Flexfab 5581-187 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 102.49
$ 102.49 - $ 102.49
$ 102.49
$ 81.99
$ 81.99 - $ 81.99
$ 81.99
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Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 376.09
$ 376.09 - $ 376.09
$ 376.09
$ 300.89
$ 300.89 - $ 300.89
$ 300.89

Flexfab 5581-175X12, 1.75" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 44mm

Product Details The Flexfab 5581-175X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 376.09
$ 376.09 - $ 376.09
$ 376.09
$ 300.89
$ 300.89 - $ 300.89
$ 300.89
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Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 93.99
$ 93.99 - $ 93.99
$ 93.99
$ 75.19
$ 75.19 - $ 75.19
$ 75.19

Flexfab 5581-175, 1.75" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 44mm

Product Details The Flexfab 5581-175 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 93.99
$ 93.99 - $ 93.99
$ 93.99
$ 75.19
$ 75.19 - $ 75.19
$ 75.19
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Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
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$ 356.29
$ 356.29 - $ 356.29
$ 356.29
$ 284.99
$ 284.99 - $ 284.99
$ 284.99

Flexfab 5581-162X12, 1.63" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 41mm

Product Details The Flexfab 5581-162X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 356.29
$ 356.29 - $ 356.29
$ 356.29
$ 284.99
$ 284.99 - $ 284.99
$ 284.99
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Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 88.79
$ 88.79 - $ 88.79
$ 88.79
$ 70.99
$ 70.99 - $ 70.99
$ 70.99

Flexfab 5581-162, 1.63" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 41mm

Product Details The Flexfab 5581-162 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 88.79
$ 88.79 - $ 88.79
$ 88.79
$ 70.99
$ 70.99 - $ 70.99
$ 70.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 341.29
$ 341.29 - $ 341.29
$ 341.29
$ 272.99
$ 272.99 - $ 272.99
$ 272.99

Flexfab 5581-150X12, 1.50" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 38mm

Product Details The Flexfab 5581-150X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 341.29
$ 341.29 - $ 341.29
$ 341.29
$ 272.99
$ 272.99 - $ 272.99
$ 272.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 85.29
$ 85.29 - $ 85.29
$ 85.29
$ 68.29
$ 68.29 - $ 68.29
$ 68.29

Flexfab 5581-150, 1.50" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 38mm

Product Details The Flexfab 5581-150 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 85.29
$ 85.29 - $ 85.29
$ 85.29
$ 68.29
$ 68.29 - $ 68.29
$ 68.29
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 324.79
$ 324.79 - $ 324.79
$ 324.79
$ 259.79
$ 259.79 - $ 259.79
$ 259.79

Flexfab 5581-138X12, 1.38" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 35mm

Product Details The Flexfab 5581-138X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 324.79
$ 324.79 - $ 324.79
$ 324.79
$ 259.79
$ 259.79 - $ 259.79
$ 259.79
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 308.59
$ 308.59 - $ 308.59
$ 308.59
$ 246.89
$ 246.89 - $ 246.89
$ 246.89

Flexfab 5581-125X12, 1.25" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 32mm

Product Details The Flexfab 5581-125X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 308.59
$ 308.59 - $ 308.59
$ 308.59
$ 246.89
$ 246.89 - $ 246.89
$ 246.89
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 77.19
$ 77.19 - $ 77.19
$ 77.19
$ 61.69
$ 61.69 - $ 61.69
$ 61.69

Flexfab 5581-125, 1.25" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 32mm

Product Details The Flexfab 5581-125 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 77.19
$ 77.19 - $ 77.19
$ 77.19
$ 61.69
$ 61.69 - $ 61.69
$ 61.69
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 295.09
$ 295.09 - $ 295.09
$ 295.09
$ 236.09
$ 236.09 - $ 236.09
$ 236.09

Flexfab 5581-112X12, 1.13" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 29mm

Product Details The Flexfab 5581-112X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 295.09
$ 295.09 - $ 295.09
$ 295.09
$ 236.09
$ 236.09 - $ 236.09
$ 236.09
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 73.79
$ 73.79 - $ 73.79
$ 73.79
$ 58.99
$ 58.99 - $ 58.99
$ 58.99

Flexfab 5581-112, 1.13" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 29mm

Product Details The Flexfab 5581-112 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 73.79
$ 73.79 - $ 73.79
$ 73.79
$ 58.99
$ 58.99 - $ 58.99
$ 58.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 278.29
$ 278.29 - $ 278.29
$ 278.29
$ 222.59
$ 222.59 - $ 222.59
$ 222.59

Flexfab 5581-100X12, 1.00" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 25mm

Product Details The Flexfab 5581-100X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 278.29
$ 278.29 - $ 278.29
$ 278.29
$ 222.59
$ 222.59 - $ 222.59
$ 222.59
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 69.59
$ 69.59 - $ 69.59
$ 69.59
$ 55.69
$ 55.69 - $ 55.69
$ 55.69

Flexfab 5581-100, 1.00" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 25mm

Product Details The Flexfab 5581-100 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 69.59
$ 69.59 - $ 69.59
$ 69.59
$ 55.69
$ 55.69 - $ 55.69
$ 55.69
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 254.29
$ 254.29 - $ 254.29
$ 254.29
$ 203.39
$ 203.39 - $ 203.39
$ 203.39

Flexfab 5581-087X12, 0.88" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 22mm

Product Details The Flexfab 5581-087X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 254.29
$ 254.29 - $ 254.29
$ 254.29
$ 203.39
$ 203.39 - $ 203.39
$ 203.39
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 63.59
$ 63.59 - $ 63.59
$ 63.59
$ 50.89
$ 50.89 - $ 50.89
$ 50.89

Flexfab 5581-087, 0.88" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 22mm

Product Details The Flexfab 5581-087 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 63.59
$ 63.59 - $ 63.59
$ 63.59
$ 50.89
$ 50.89 - $ 50.89
$ 50.89
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 217.09
$ 217.09 - $ 217.09
$ 217.09
$ 173.69
$ 173.69 - $ 173.69
$ 173.69

Flexfab 5581-075X12, 0.75" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 19mm

Product Details The Flexfab 5581-075X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 217.09
$ 217.09 - $ 217.09
$ 217.09
$ 173.69
$ 173.69 - $ 173.69
$ 173.69
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 54.29
$ 54.29 - $ 54.29
$ 54.29
$ 43.39
$ 43.39 - $ 43.39
$ 43.39

Flexfab 5581-075, 0.75" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 19mm

Product Details The Flexfab 5581-075 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 54.29
$ 54.29 - $ 54.29
$ 54.29
$ 43.39
$ 43.39 - $ 43.39
$ 43.39
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 207.79
$ 207.79 - $ 207.79
$ 207.79
$ 166.19
$ 166.19 - $ 166.19
$ 166.19

Flexfab 5581-062X12, 0.63" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 16mm

Product Details The Flexfab 5581-062X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 207.79
$ 207.79 - $ 207.79
$ 207.79
$ 166.19
$ 166.19 - $ 166.19
$ 166.19
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 51.89
$ 51.89 - $ 51.89
$ 51.89
$ 41.59
$ 41.59 - $ 41.59
$ 41.59

Flexfab 5581-062, 0.63" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 16mm

Product Details The Flexfab 5581-062 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 51.89
$ 51.89 - $ 51.89
$ 51.89
$ 41.59
$ 41.59 - $ 41.59
$ 41.59
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 199.09
$ 199.09 - $ 199.09
$ 199.09
$ 159.29
$ 159.29 - $ 159.29
$ 159.29

Flexfab 5581-050X12, 0.50" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 13mm

Product Details The Flexfab 5581-050X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 199.09
$ 199.09 - $ 199.09
$ 199.09
$ 159.29
$ 159.29 - $ 159.29
$ 159.29
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 49.79
$ 49.79 - $ 49.79
$ 49.79
$ 39.79
$ 39.79 - $ 39.79
$ 39.79

Flexfab 5581-050, 0.50" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 13mm

Product Details The Flexfab 5581-050 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 49.79
$ 49.79 - $ 49.79
$ 49.79
$ 39.79
$ 39.79 - $ 39.79
$ 39.79
Save 20% Save %

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