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Flexfab 5581 Blue 4-Ply Coolant Hose

The Flexfab 5581 series is 4-ply blue silicone coolant hose, with an extra ply for added strength in high-pressure and large-diameter cooling applications.

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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 %
$ 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
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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 %
$ 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
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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 %
$ 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 %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 193.09
$ 193.09 - $ 193.09
$ 193.09
$ 154.49
$ 154.49 - $ 154.49
$ 154.49

Flexfab 5581-038X12, 0.38" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 10mm

Product Details The Flexfab 5581-038X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 193.09
$ 193.09 - $ 193.09
$ 193.09
$ 154.49
$ 154.49 - $ 154.49
$ 154.49
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 48.29
$ 48.29 - $ 48.29
$ 48.29
$ 38.59
$ 38.59 - $ 38.59
$ 38.59

Flexfab 5581-038, 0.38" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 10mm

Product Details The Flexfab 5581-038 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 48.29
$ 48.29 - $ 48.29
$ 48.29
$ 38.59
$ 38.59 - $ 38.59
$ 38.59
Save 20% Save %

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