Skip to content
☀️ Take an Additional 10% Off Your Entire Order with code GEARUP10 at checkout.
☀️ Additional 10% Off • GEARUP10

Flexfab Silicone Hose

Flexfab silicone hose handles the heat, pressure, and vibration that take down ordinary rubber. This collection covers the full Flexfab range of silicone heater and coolant hose, from standard blue heater hose to premium green, 4-ply, wire-reinforced, and high-temp constructions for diesel, marine, transit, and heavy-duty cooling systems. Built in the USA and sold by the foot, box, or reel.

Filters

Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 151.29
$ 151.29 - $ 151.29
$ 151.29
$ 120.99
$ 120.99 - $ 120.99
$ 120.99

Flexfab 5500-375, 3.75" x 3 ft, 3-Ply Green Silicone Coolant Hose, 95mm

Product Details The Flexfab 5500-375 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 151.29
$ 151.29 - $ 151.29
$ 151.29
$ 120.99
$ 120.99 - $ 120.99
$ 120.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 151.29
$ 151.29 - $ 151.29
$ 151.29
$ 120.99
$ 120.99 - $ 120.99
$ 120.99

Flexfab 5500-350, 3.50" x 3 ft, 3-Ply Green Silicone Coolant Hose, 89mm

Product Details The Flexfab 5500-350 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 151.29
$ 151.29 - $ 151.29
$ 151.29
$ 120.99
$ 120.99 - $ 120.99
$ 120.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 146.29
$ 146.29 - $ 146.29
$ 146.29
$ 116.99
$ 116.99 - $ 116.99
$ 116.99

Flexfab 5500-338, 3.38" x 3 ft, 3-Ply Green Silicone Coolant Hose, 86mm

Product Details The Flexfab 5500-338 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 146.29
$ 146.29 - $ 146.29
$ 146.29
$ 116.99
$ 116.99 - $ 116.99
$ 116.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 137.49
$ 137.49 - $ 137.49
$ 137.49
$ 109.99
$ 109.99 - $ 109.99
$ 109.99

Flexfab 5500-325, 3.25" x 3 ft, 3-Ply Green Silicone Coolant Hose, 83mm

Product Details The Flexfab 5500-325 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 137.49
$ 137.49 - $ 137.49
$ 137.49
$ 109.99
$ 109.99 - $ 109.99
$ 109.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 137.49
$ 137.49 - $ 137.49
$ 137.49
$ 109.99
$ 109.99 - $ 109.99
$ 109.99

Flexfab 5500-312, 3.13" x 3 ft, 3-Ply Green Silicone Coolant Hose, 80mm

Product Details The Flexfab 5500-312 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 137.49
$ 137.49 - $ 137.49
$ 137.49
$ 109.99
$ 109.99 - $ 109.99
$ 109.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 127.49
$ 127.49 - $ 127.49
$ 127.49
$ 101.99
$ 101.99 - $ 101.99
$ 101.99

Flexfab 5500-275, 2.75" x 3 ft, 3-Ply Green Silicone Coolant Hose, 70mm

Product Details The Flexfab 5500-275 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 127.49
$ 127.49 - $ 127.49
$ 127.49
$ 101.99
$ 101.99 - $ 101.99
$ 101.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 122.49
$ 122.49 - $ 122.49
$ 122.49
$ 97.99
$ 97.99 - $ 97.99
$ 97.99

Flexfab 5500-262, 2.63" x 3 ft, 3-Ply Green Silicone Coolant Hose, 67mm

Product Details The Flexfab 5500-262 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 122.49
$ 122.49 - $ 122.49
$ 122.49
$ 97.99
$ 97.99 - $ 97.99
$ 97.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 112.49
$ 112.49 - $ 112.49
$ 112.49
$ 89.99
$ 89.99 - $ 89.99
$ 89.99

Flexfab 5500-250, 2.50" x 3 ft, 3-Ply Green Silicone Coolant Hose, 64mm

Product Details The Flexfab 5500-250 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 112.49
$ 112.49 - $ 112.49
$ 112.49
$ 89.99
$ 89.99 - $ 89.99
$ 89.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 106.29
$ 106.29 - $ 106.29
$ 106.29
$ 84.99
$ 84.99 - $ 84.99
$ 84.99

Flexfab 5500-238, 2.38" x 3 ft, 3-Ply Green Silicone Coolant Hose, 60mm

Product Details The Flexfab 5500-238 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 106.29
$ 106.29 - $ 106.29
$ 106.29
$ 84.99
$ 84.99 - $ 84.99
$ 84.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 98.79
$ 98.79 - $ 98.79
$ 98.79
$ 78.99
$ 78.99 - $ 78.99
$ 78.99

Flexfab 5500-212, 2.13" x 3 ft, 3-Ply Green Silicone Coolant Hose, 54mm

Product Details The Flexfab 5500-212 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 98.79
$ 98.79 - $ 98.79
$ 98.79
$ 78.99
$ 78.99 - $ 78.99
$ 78.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 399.99
$ 399.99 - $ 399.99
$ 399.99
$ 319.99
$ 319.99 - $ 319.99
$ 319.99

Flexfab 5500-200X12, 2.00" x 12 ft, 3-Ply Green Silicone Coolant Hose, 51mm

Product Details The Flexfab 5500-200X12 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardenin...

View full details
$ 399.99
$ 399.99 - $ 399.99
$ 399.99
$ 319.99
$ 319.99 - $ 319.99
$ 319.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 99.99
$ 99.99 - $ 99.99
$ 99.99
$ 79.99
$ 79.99 - $ 79.99
$ 79.99

Flexfab 5500-200, 2.00" x 3 ft, 3-Ply Green Silicone Coolant Hose, 51mm

Product Details The Flexfab 5500-200 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 99.99
$ 99.99 - $ 99.99
$ 99.99
$ 79.99
$ 79.99 - $ 79.99
$ 79.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 88.79
$ 88.79 - $ 88.79
$ 88.79
$ 70.99
$ 70.99 - $ 70.99
$ 70.99

Flexfab 5500-187, 1.88" x 3 ft, 3-Ply Green Silicone Coolant Hose, 48mm

Product Details The Flexfab 5500-187 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 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 %
$ 87.49
$ 87.49 - $ 87.49
$ 87.49
$ 69.99
$ 69.99 - $ 69.99
$ 69.99

Flexfab 5500-175, 1.75" x 3 ft, 3-Ply Green Silicone Coolant Hose, 44mm

Product Details The Flexfab 5500-175 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 87.49
$ 87.49 - $ 87.49
$ 87.49
$ 69.99
$ 69.99 - $ 69.99
$ 69.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 81.29
$ 81.29 - $ 81.29
$ 81.29
$ 64.99
$ 64.99 - $ 64.99
$ 64.99

Flexfab 5500-162, 1.63" x 3 ft, 3-Ply Green Silicone Coolant Hose, 41mm

Product Details The Flexfab 5500-162 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 81.29
$ 81.29 - $ 81.29
$ 81.29
$ 64.99
$ 64.99 - $ 64.99
$ 64.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 318.79
$ 318.79 - $ 318.79
$ 318.79
$ 254.99
$ 254.99 - $ 254.99
$ 254.99

Flexfab 5500-150X12, 1.50" x 12 ft, 3-Ply Green Silicone Coolant Hose, 38mm

Product Details The Flexfab 5500-150X12 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardenin...

View full details
$ 318.79
$ 318.79 - $ 318.79
$ 318.79
$ 254.99
$ 254.99 - $ 254.99
$ 254.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 79.99
$ 79.99 - $ 79.99
$ 79.99
$ 63.99
$ 63.99 - $ 63.99
$ 63.99

Flexfab 5500-150, 1.50" x 3 ft, 3-Ply Green Silicone Coolant Hose, 38mm

Product Details The Flexfab 5500-150 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 79.99
$ 79.99 - $ 79.99
$ 79.99
$ 63.99
$ 63.99 - $ 63.99
$ 63.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 280.89
$ 280.89 - $ 280.89
$ 280.89
$ 224.69
$ 224.69 - $ 224.69
$ 224.69

Flexfab 5500-125X12, 1.25" x 12 ft, 3-Ply Green Silicone Coolant Hose, 32mm

Product Details The Flexfab 5500-125X12 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardenin...

View full details
$ 280.89
$ 280.89 - $ 280.89
$ 280.89
$ 224.69
$ 224.69 - $ 224.69
$ 224.69
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 70.19
$ 70.19 - $ 70.19
$ 70.19
$ 56.19
$ 56.19 - $ 56.19
$ 56.19

Flexfab 5500-125, 1.25" x 3 ft, 3-Ply Green Silicone Coolant Hose, 32mm

Product Details The Flexfab 5500-125 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 70.19
$ 70.19 - $ 70.19
$ 70.19
$ 56.19
$ 56.19 - $ 56.19
$ 56.19
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 233.29
$ 233.29 - $ 233.29
$ 233.29
$ 186.59
$ 186.59 - $ 186.59
$ 186.59

Flexfab 5500-112X12, 1.13" x 12 ft, 3-Ply Green Silicone Coolant Hose, 29mm

Product Details The Flexfab 5500-112X12 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardenin...

View full details
$ 233.29
$ 233.29 - $ 233.29
$ 233.29
$ 186.59
$ 186.59 - $ 186.59
$ 186.59
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 58.29
$ 58.29 - $ 58.29
$ 58.29
$ 46.69
$ 46.69 - $ 46.69
$ 46.69

Flexfab 5500-112, 1.13" x 3 ft, 3-Ply Green Silicone Coolant Hose, 29mm

Product Details The Flexfab 5500-112 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 58.29
$ 58.29 - $ 58.29
$ 58.29
$ 46.69
$ 46.69 - $ 46.69
$ 46.69
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 62.49
$ 62.49 - $ 62.49
$ 62.49
$ 49.99
$ 49.99 - $ 49.99
$ 49.99

Flexfab 5500-100, 1.00" x 3 ft, 3-Ply Green Silicone Coolant Hose, 25mm

Product Details The Flexfab 5500-100 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 62.49
$ 62.49 - $ 62.49
$ 62.49
$ 49.99
$ 49.99 - $ 49.99
$ 49.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 57.69
$ 57.69 - $ 57.69
$ 57.69
$ 46.09
$ 46.09 - $ 46.09
$ 46.09

Flexfab 5500-087, 0.88" x 3 ft, 3-Ply Green Silicone Coolant Hose, 22mm

Product Details The Flexfab 5500-087 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 57.69
$ 57.69 - $ 57.69
$ 57.69
$ 46.09
$ 46.09 - $ 46.09
$ 46.09
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 54.89
$ 54.89 - $ 54.89
$ 54.89
$ 43.99
$ 43.99 - $ 43.99
$ 43.99

Flexfab 5500-075, 0.75" x 3 ft, 3-Ply Green Silicone Coolant Hose, 19mm

Product Details The Flexfab 5500-075 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 54.89
$ 54.89 - $ 54.89
$ 54.89
$ 43.99
$ 43.99 - $ 43.99
$ 43.99
Save 20% Save %

Request a Quote

Bulk and dealer pricing. Tell us what you need and we’ll reply within one business day.