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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 %
$ 172.49
$ 172.49 - $ 172.49
$ 172.49
$ 137.99
$ 137.99 - $ 137.99
$ 137.99

Flexfab 5521-050x25, 1/2" ID x 25 ft Box Premium Green Silicone Heater Hose, 13mm 350F Radiator Coolant

Product Details The Flexfab 5521-050x25 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

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$ 172.49
$ 172.49 - $ 172.49
$ 172.49
$ 137.99
$ 137.99 - $ 137.99
$ 137.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 2,718.79
$ 2,718.79 - $ 2,718.79
$ 2,718.79
$ 2,174.99
$ 2,174.99 - $ 2,174.99
$ 2,174.99

Flexfab 5521-038x500, 3/8" ID x 500 ft Spool Premium Green Silicone Heater Hose, 10mm 350F Radiator Coolant

Product Details The Flexfab 5521-038x500 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It res...

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$ 2,718.79
$ 2,718.79 - $ 2,718.79
$ 2,718.79
$ 2,174.99
$ 2,174.99 - $ 2,174.99
$ 2,174.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 279.99
$ 279.99 - $ 279.99
$ 279.99
$ 223.99
$ 223.99 - $ 223.99
$ 223.99

Flexfab 5521-038x50, 3/8" ID x 50 ft Box Premium Green Silicone Heater Hose, 10mm 350F Radiator Coolant

Product Details The Flexfab 5521-038x50 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

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$ 279.99
$ 279.99 - $ 279.99
$ 279.99
$ 223.99
$ 223.99 - $ 223.99
$ 223.99
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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 %
$ 156.29
$ 156.29 - $ 156.29
$ 156.29
$ 124.99
$ 124.99 - $ 124.99
$ 124.99

Flexfab 5521-038x25, 3/8" ID x 25 ft Box Premium Green Silicone Heater Hose, 10mm 350F Radiator Coolant

Product Details The Flexfab 5521-038x25 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

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$ 156.29
$ 156.29 - $ 156.29
$ 156.29
$ 124.99
$ 124.99 - $ 124.99
$ 124.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 3,437.49
$ 3,437.49 - $ 3,437.49
$ 3,437.49
$ 2,749.99
$ 2,749.99 - $ 2,749.99
$ 2,749.99

Flexfab 5521-031x600, 5/16" ID x 600 ft Spool Premium Green Silicone Heater Hose, 8mm 350F Radiator Coolant

Product Details The Flexfab 5521-031x600 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It res...

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$ 3,437.49
$ 3,437.49 - $ 3,437.49
$ 3,437.49
$ 2,749.99
$ 2,749.99 - $ 2,749.99
$ 2,749.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 156.29
$ 156.29 - $ 156.29
$ 156.29
$ 124.99
$ 124.99 - $ 124.99
$ 124.99

Flexfab 5521-031x25, 5/16" ID x 25 ft Box Premium Green Silicone Heater Hose, 8mm 350F Radiator Coolant

Product Details The Flexfab 5521-031x25 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

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$ 156.29
$ 156.29 - $ 156.29
$ 156.29
$ 124.99
$ 124.99 - $ 124.99
$ 124.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 3,374.99
$ 3,374.99 - $ 3,374.99
$ 3,374.99
$ 2,699.99
$ 2,699.99 - $ 2,699.99
$ 2,699.99

Flexfab 5521-025x800, 1/4" ID x 800 ft Spool Premium Green Silicone Heater Hose, 6mm 350F Radiator Coolant

Product Details The Flexfab 5521-025x800 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It res...

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$ 3,374.99
$ 3,374.99 - $ 3,374.99
$ 3,374.99
$ 2,699.99
$ 2,699.99 - $ 2,699.99
$ 2,699.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 249.99
$ 249.99 - $ 249.99
$ 249.99
$ 199.99
$ 199.99 - $ 199.99
$ 199.99

Flexfab 5521-025x50, 1/4" ID x 50 ft Box Premium Green Silicone Heater Hose, 6mm 350F Radiator Coolant

Product Details The Flexfab 5521-025x50 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

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$ 249.99
$ 249.99 - $ 249.99
$ 249.99
$ 199.99
$ 199.99 - $ 199.99
$ 199.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 128.79
$ 128.79 - $ 128.79
$ 128.79
$ 102.99
$ 102.99 - $ 102.99
$ 102.99

Flexfab 5521-025x25, 1/4" ID x 25 ft Box Premium Green Silicone Heater Hose, 6mm 350F Radiator Coolant

Product Details The Flexfab 5521-025x25 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

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$ 128.79
$ 128.79 - $ 128.79
$ 128.79
$ 102.99
$ 102.99 - $ 102.99
$ 102.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 1,481.29
$ 1,481.29 - $ 1,481.29
$ 1,481.29
$ 1,184.99
$ 1,184.99 - $ 1,184.99
$ 1,184.99

Flexfab 5526-125x150, 1-1/4" ID x 150 ft Spool Blue Silicone Heater Hose, 32mm 350F Radiator Coolant

Product Details The Flexfab 5526-125x150 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, c...

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$ 1,481.29
$ 1,481.29 - $ 1,481.29
$ 1,481.29
$ 1,184.99
$ 1,184.99 - $ 1,184.99
$ 1,184.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 546.89
$ 546.89 - $ 546.89
$ 546.89
$ 437.49
$ 437.49 - $ 437.49
$ 437.49

Flexfab 5526-125x50, 1-1/4" ID x 50 ft Box Blue Silicone Heater Hose, 32mm 350F Radiator Coolant

Product Details The Flexfab 5526-125x50 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, cr...

View full details
$ 546.89
$ 546.89 - $ 546.89
$ 546.89
$ 437.49
$ 437.49 - $ 437.49
$ 437.49
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 296.09
$ 296.09 - $ 296.09
$ 296.09
$ 236.89
$ 236.89 - $ 236.89
$ 236.89

Flexfab 5526-125x25, 1-1/4" ID x 25 ft Box Blue Silicone Heater Hose, 32mm 350F Radiator Coolant

Product Details The Flexfab 5526-125x25 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, cr...

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$ 296.09
$ 296.09 - $ 296.09
$ 296.09
$ 236.89
$ 236.89 - $ 236.89
$ 236.89
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 1,537.49
$ 1,537.49 - $ 1,537.49
$ 1,537.49
$ 1,229.99
$ 1,229.99 - $ 1,229.99
$ 1,229.99

Flexfab 5526-100x200, 1" ID x 200 ft Spool Blue Silicone Heater Hose, 25mm 350F Radiator Coolant

Product Details The Flexfab 5526-100x200 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, c...

View full details
$ 1,537.49
$ 1,537.49 - $ 1,537.49
$ 1,537.49
$ 1,229.99
$ 1,229.99 - $ 1,229.99
$ 1,229.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 406.29
$ 406.29 - $ 406.29
$ 406.29
$ 324.99
$ 324.99 - $ 324.99
$ 324.99

Flexfab 5526-100x50, 1" ID x 50 ft Box Blue Silicone Heater Hose, 25mm 350F Radiator Coolant

Product Details The Flexfab 5526-100x50 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, cr...

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$ 406.29
$ 406.29 - $ 406.29
$ 406.29
$ 324.99
$ 324.99 - $ 324.99
$ 324.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 225.79
$ 225.79 - $ 225.79
$ 225.79
$ 180.59
$ 180.59 - $ 180.59
$ 180.59

Flexfab 5526-100x25, 1" ID x 25 ft Box Blue Silicone Heater Hose, 25mm 350F Radiator Coolant

Product Details The Flexfab 5526-100x25 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, cr...

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$ 225.79
$ 225.79 - $ 225.79
$ 225.79
$ 180.59
$ 180.59 - $ 180.59
$ 180.59
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 1,312.49
$ 1,312.49 - $ 1,312.49
$ 1,312.49
$ 1,049.99
$ 1,049.99 - $ 1,049.99
$ 1,049.99

Flexfab 5526-087x200, 7/8" ID x 200 ft Spool Blue Silicone Heater Hose, 22mm 350F Radiator Coolant

Product Details The Flexfab 5526-087x200 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, c...

View full details
$ 1,312.49
$ 1,312.49 - $ 1,312.49
$ 1,312.49
$ 1,049.99
$ 1,049.99 - $ 1,049.99
$ 1,049.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 342.19
$ 342.19 - $ 342.19
$ 342.19
$ 273.79
$ 273.79 - $ 273.79
$ 273.79

Flexfab 5526-087x50, 7/8" ID x 50 ft Box Blue Silicone Heater Hose, 22mm 350F Radiator Coolant

Product Details The Flexfab 5526-087x50 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, cr...

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$ 342.19
$ 342.19 - $ 342.19
$ 342.19
$ 273.79
$ 273.79 - $ 273.79
$ 273.79
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 185.19
$ 185.19 - $ 185.19
$ 185.19
$ 148.09
$ 148.09 - $ 148.09
$ 148.09

Flexfab 5526-087x25, 7/8" ID x 25 ft Box Blue Silicone Heater Hose, 22mm 350F Radiator Coolant

Product Details The Flexfab 5526-087x25 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, cr...

View full details
$ 185.19
$ 185.19 - $ 185.19
$ 185.19
$ 148.09
$ 148.09 - $ 148.09
$ 148.09
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 1,659.39
$ 1,659.39 - $ 1,659.39
$ 1,659.39
$ 1,327.49
$ 1,327.49 - $ 1,327.49
$ 1,327.49

Flexfab 5526-075x300, 3/4" ID x 300 ft Spool Blue Silicone Heater Hose, 19mm 350F Radiator Coolant

Product Details The Flexfab 5526-075x300 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, c...

View full details
$ 1,659.39
$ 1,659.39 - $ 1,659.39
$ 1,659.39
$ 1,327.49
$ 1,327.49 - $ 1,327.49
$ 1,327.49
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 1,382.79
$ 1,382.79 - $ 1,382.79
$ 1,382.79
$ 1,106.29
$ 1,106.29 - $ 1,106.29
$ 1,106.29

Flexfab 5526-075x250, 3/4" ID x 250 ft Spool Blue Silicone Heater Hose, 19mm 350F Radiator Coolant

Product Details The Flexfab 5526-075x250 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, c...

View full details
$ 1,382.79
$ 1,382.79 - $ 1,382.79
$ 1,382.79
$ 1,106.29
$ 1,106.29 - $ 1,106.29
$ 1,106.29
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 155.49
$ 155.49 - $ 155.49
$ 155.49
$ 124.39
$ 124.39 - $ 124.39
$ 124.39

Flexfab 5526-075x25, 3/4" ID x 25 ft Box Blue Silicone Heater Hose, 19mm 350F Radiator Coolant

Product Details The Flexfab 5526-075x25 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, cr...

View full details
$ 155.49
$ 155.49 - $ 155.49
$ 155.49
$ 124.39
$ 124.39 - $ 124.39
$ 124.39
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,049.99
$ 2,049.99 - $ 2,049.99
$ 2,049.99
$ 1,639.99
$ 1,639.99 - $ 1,639.99
$ 1,639.99

Flexfab 5526-062x400, 5/8" ID x 400 ft Spool Blue Silicone Heater Hose, 16mm 350F Radiator Coolant

Product Details The Flexfab 5526-062x400 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, c...

View full details
$ 2,049.99
$ 2,049.99 - $ 2,049.99
$ 2,049.99
$ 1,639.99
$ 1,639.99 - $ 1,639.99
$ 1,639.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 1,281.29
$ 1,281.29 - $ 1,281.29
$ 1,281.29
$ 1,024.99
$ 1,024.99 - $ 1,024.99
$ 1,024.99

Flexfab 5526-062x250, 5/8" ID x 250 ft Spool Blue Silicone Heater Hose, 16mm 350F Radiator Coolant

Product Details The Flexfab 5526-062x250 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, c...

View full details
$ 1,281.29
$ 1,281.29 - $ 1,281.29
$ 1,281.29
$ 1,024.99
$ 1,024.99 - $ 1,024.99
$ 1,024.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 149.19
$ 149.19 - $ 149.19
$ 149.19
$ 119.39
$ 119.39 - $ 119.39
$ 119.39

Flexfab 5526-062x25, 5/8" ID x 25 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant

Product Details The Flexfab 5526-062x25 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, cr...

View full details
$ 149.19
$ 149.19 - $ 149.19
$ 149.19
$ 119.39
$ 119.39 - $ 119.39
$ 119.39
Save 20% Save %

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