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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 %
$ 81.19
$ 81.19 - $ 81.19
$ 81.19
$ 64.99
$ 64.99 - $ 64.99
$ 64.99

Flexfab 5581-138, 1.38" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 35mm

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

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$ 81.19
$ 81.19 - $ 81.19
$ 81.19
$ 64.99
$ 64.99 - $ 64.99
$ 64.99
Save 20% Save %
Flexfab 5526-062, 5/8" x 50 ft Blue Silicone Heater Hose, .63" Save 30% Save %
$ 521.98
$ 521.98 - $ 521.98
$ 521.98
$ 365.39
$ 365.39 - $ 365.39
$ 365.39

Flexfab 5526-062, 5/8" x 100 ft Blue Silicone Heater Hose, .63"

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

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$ 521.98
$ 521.98 - $ 521.98
$ 521.98
$ 365.39
$ 365.39 - $ 365.39
$ 365.39
Save 30% Save %
Flexfab 5521-125, 1-1/4" x 1 ft (Choose your length) Green Premium Silicone Heater Hose, 1.25" Save 20% Save %
$ 17.29
$ 17.29 - $ 17.29
$ 17.29
$ 13.83
$ 13.83 - $ 13.83
$ 13.83

Flexfab 5521-125, 1-1/4" x 1 ft (Choose your length) Green Premium Silicone Heater Hose, 1.25"

Product Details The Flexfab 5521-125 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resists...

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$ 17.29
$ 17.29 - $ 17.29
$ 17.29
$ 13.83
$ 13.83 - $ 13.83
$ 13.83
Save 20% Save %
Flexfab 5521-125, 1-1/4" x 50 ft Green Premium Silicone Heater Hose, 1.25" Save 20% Save %
$ 828.09
$ 828.09 - $ 828.09
$ 828.09
$ 662.47
$ 662.47 - $ 662.47
$ 662.47

Flexfab 5521-125, 1-1/4" x 50 ft Green Premium Silicone Heater Hose, 1.25"

Product Details The Flexfab 5521-125 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resists...

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$ 828.09
$ 828.09 - $ 828.09
$ 828.09
$ 662.47
$ 662.47 - $ 662.47
$ 662.47
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Flexfab 5521-100, 1" x 25 ft Green Premium Silicone Heater Hose, 1.00"
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$ 335.19
$ 335.19 - $ 335.19
$ 335.19
$ 268.15
$ 268.15 - $ 268.15
$ 268.15

Flexfab 5521-100, 1" x 25 ft Green Premium Silicone Heater Hose, 1.00"

Product Details The Flexfab 5521-100 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resists...

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$ 335.19
$ 335.19 - $ 335.19
$ 335.19
$ 268.15
$ 268.15 - $ 268.15
$ 268.15
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Flexfab 5526-087, 7/8" x 200 ft Blue Silicone Heater Hose, .88" (Reel)
Save 30% Save %
$ 1,049.99
$ 1,049.99 - $ 1,049.99
$ 1,049.99
$ 734.99
$ 734.99 - $ 734.99
$ 734.99

Flexfab 5526-087, 7/8" x 200 ft Blue Silicone Heater Hose, .88" (Reel)

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

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$ 1,049.99
$ 1,049.99 - $ 1,049.99
$ 1,049.99
$ 734.99
$ 734.99 - $ 734.99
$ 734.99
Save 30% Save %
Flexfab 5526-038, 3/8" x 600 ft Blue Silicone Heater Hose, .38" (Reel)
Save 30% Save %
$ 2,321.99
$ 2,321.99 - $ 2,321.99
$ 2,321.99
$ 1,625.39
$ 1,625.39 - $ 1,625.39
$ 1,625.39

Flexfab 5526-038, 3/8" x 600 ft Blue Silicone Heater Hose, .38" (Reel)

Product Details The Flexfab 5526-038 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, crack...

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$ 2,321.99
$ 2,321.99 - $ 2,321.99
$ 2,321.99
$ 1,625.39
$ 1,625.39 - $ 1,625.39
$ 1,625.39
Save 30% Save %
Flexfab 5500-500, 5.00" X 3 ft, 3-Ply Green Silicone Coolant Hose, 127mm
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$ 157.89
$ 157.89 - $ 157.89
$ 157.89
$ 126.31
$ 126.31 - $ 126.31
$ 126.31

Flexfab 5500-500, 5.00" X 3 ft, 3-Ply Green Silicone Coolant Hose, 127mm

Product Details The Flexfab 5500-500 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

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$ 157.89
$ 157.89 - $ 157.89
$ 157.89
$ 126.31
$ 126.31 - $ 126.31
$ 126.31
Save 20% Save %
Flexfab 5500-450, 4.50" X 3 ft, 3-Ply Green Silicone Coolant Hose, 114mm
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$ 143.69
$ 143.69 - $ 143.69
$ 143.69
$ 114.95
$ 114.95 - $ 114.95
$ 114.95

Flexfab 5500-450, 4.50" X 3 ft, 3-Ply Green Silicone Coolant Hose, 114mm

Product Details The Flexfab 5500-450 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

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$ 143.69
$ 143.69 - $ 143.69
$ 143.69
$ 114.95
$ 114.95 - $ 114.95
$ 114.95
Save 20% Save %
Flexfab 5500-300, 3.00" X 3 ft, 3-Ply Green Silicone Coolant Hose, 76mm
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$ 95.29
$ 95.29 - $ 95.29
$ 95.29
$ 76.23
$ 76.23 - $ 76.23
$ 76.23

Flexfab 5500-300, 3.00" X 3 ft, 3-Ply Green Silicone Coolant Hose, 76mm

Product Details The Flexfab 5500-300 is a blue silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, c...

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$ 95.29
$ 95.29 - $ 95.29
$ 95.29
$ 76.23
$ 76.23 - $ 76.23
$ 76.23
Save 20% Save %
Flexfab 5500-238, 2.38" X 3 ft, 3-Ply Green Silicone Coolant Hose, 60mm
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$ 78.49
$ 78.49 - $ 78.49
$ 78.49
$ 62.79
$ 62.79 - $ 62.79
$ 62.79

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, ...

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$ 78.49
$ 78.49 - $ 78.49
$ 78.49
$ 62.79
$ 62.79 - $ 62.79
$ 62.79
Save 20% Save %
Flexfab 5500-087, 0.88" X 3 ft, 3-Ply Green Silicone Coolant Hose, 22mm
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$ 42.69
$ 42.69 - $ 42.69
$ 42.69
$ 34.15
$ 34.15 - $ 34.15
$ 34.15

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, ...

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$ 42.69
$ 42.69 - $ 42.69
$ 42.69
$ 34.15
$ 34.15 - $ 34.15
$ 34.15
Save 20% Save %
Flexfab 5500-075, 0.75" X 3 ft, 3-Ply Green Silicone Coolant Hose, 19mm
Save 20% Save %
$ 40.69
$ 40.69 - $ 40.69
$ 40.69
$ 32.55
$ 32.55 - $ 32.55
$ 32.55

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, ...

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$ 40.69
$ 40.69 - $ 40.69
$ 40.69
$ 32.55
$ 32.55 - $ 32.55
$ 32.55
Save 20% Save %
Flexfab 5515-338, 3.38" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 86mm
Save 20% Save %
$ 138.39
$ 138.39 - $ 138.39
$ 138.39
$ 110.71
$ 110.71 - $ 110.71
$ 110.71

Flexfab 5515-338, 3.38" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 86mm

Product Details The Flexfab 5515-338 is a blue silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, c...

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$ 138.39
$ 138.39 - $ 138.39
$ 138.39
$ 110.71
$ 110.71 - $ 110.71
$ 110.71
Save 20% Save %
Flexfab 5515-212, 2.13" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 54mm
Save 20% Save %
$ 82.29
$ 82.29 - $ 82.29
$ 82.29
$ 65.83
$ 65.83 - $ 65.83
$ 65.83

Flexfab 5515-212, 2.13" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 54mm

Product Details The Flexfab 5515-212 is a blue silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, c...

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$ 82.29
$ 82.29 - $ 82.29
$ 82.29
$ 65.83
$ 65.83 - $ 65.83
$ 65.83
Save 20% Save %
Flexfab 5515-050, 0.50" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 13mm
Save 20% Save %
$ 44.49
$ 44.49 - $ 44.49
$ 44.49
$ 35.59
$ 35.59 - $ 35.59
$ 35.59

Flexfab 5515-050, 0.50" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 13mm

Product Details The Flexfab 5515-050 is a blue silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, c...

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$ 44.49
$ 44.49 - $ 44.49
$ 44.49
$ 35.59
$ 35.59 - $ 35.59
$ 35.59
Save 20% Save %
Flexfab 5521-038, 3/8" x 50 ft Green Premium Silicone Heater Hose, .38"
Save 20% Save %
$ 277.89
$ 277.89 - $ 277.89
$ 277.89
$ 222.31
$ 222.31 - $ 222.31
$ 222.31

Flexfab 5521-038, 3/8" x 50 ft Green Premium Silicone Heater Hose, .38"

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

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$ 277.89
$ 277.89 - $ 277.89
$ 277.89
$ 222.31
$ 222.31 - $ 222.31
$ 222.31
Save 20% Save %
Flexfab 5521-031, 5/16" x 25 ft Green Premium Silicone Heater Hose, .31"
Save 20% Save %
$ 152.39
$ 152.39 - $ 152.39
$ 152.39
$ 121.91
$ 121.91 - $ 121.91
$ 121.91

Flexfab 5521-031, 5/16" x 25 ft Green Premium Silicone Heater Hose, .31"

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

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$ 152.39
$ 152.39 - $ 152.39
$ 152.39
$ 121.91
$ 121.91 - $ 121.91
$ 121.91
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 52.99
$ 52.99 - $ 52.99
$ 52.99
$ 42.39
$ 42.39 - $ 42.39
$ 42.39

Flexfab KIT5003D Heater Hose Repair Kit — 1 Hose + 2 Clamps, Silicone

Make a fast, reliable repair with the Flexfab KIT5003D Heater Hose Repair Kit — a complete, ready-to-install kit containing one Flexfab silicone ho...

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$ 52.99
$ 52.99 - $ 52.99
$ 52.99
$ 42.39
$ 42.39 - $ 42.39
$ 42.39
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 47.19
$ 47.19 - $ 47.19
$ 47.19
$ 37.79
$ 37.79 - $ 37.79
$ 37.79

Flexfab KIT5002D Heater Hose Repair Kit — 1 Hose + 2 Clamps, Silicone

Make a fast, reliable repair with the Flexfab KIT5002D Heater Hose Repair Kit — a complete, ready-to-install kit containing one Flexfab silicone ho...

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$ 47.19
$ 47.19 - $ 47.19
$ 47.19
$ 37.79
$ 37.79 - $ 37.79
$ 37.79
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 46.09
$ 46.09 - $ 46.09
$ 46.09
$ 36.89
$ 36.89 - $ 36.89
$ 36.89

Flexfab KIT5001D Heater Hose Repair Kit — 1 Hose + 2 Clamps, Silicone

Make a fast, reliable repair with the Flexfab KIT5001D Heater Hose Repair Kit — a complete, ready-to-install kit containing one Flexfab silicone ho...

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$ 46.09
$ 46.09 - $ 46.09
$ 46.09
$ 36.89
$ 36.89 - $ 36.89
$ 36.89
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 91.89
$ 91.89 - $ 91.89
$ 91.89
$ 73.59
$ 73.59 - $ 73.59
$ 73.59

Flexfab KIT4005D Charge Air (CAC) Hose & Clamp Kit — 1 Hose + 2 Clamps, Silicone

Make a fast, reliable repair with the Flexfab KIT4005D Charge Air (CAC) Hose & Clamp Kit — a complete, ready-to-install kit containing one Flex...

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$ 91.89
$ 91.89 - $ 91.89
$ 91.89
$ 73.59
$ 73.59 - $ 73.59
$ 73.59
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 95.39
$ 95.39 - $ 95.39
$ 95.39
$ 76.29
$ 76.29 - $ 76.29
$ 76.29

Flexfab KIT4004D Charge Air (CAC) Hose & Clamp Kit — 1 Hose + 2 Clamps, Silicone

Make a fast, reliable repair with the Flexfab KIT4004D Charge Air (CAC) Hose & Clamp Kit — a complete, ready-to-install kit containing one Flex...

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$ 95.39
$ 95.39 - $ 95.39
$ 95.39
$ 76.29
$ 76.29 - $ 76.29
$ 76.29
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 71.39
$ 71.39 - $ 71.39
$ 71.39
$ 57.19
$ 57.19 - $ 57.19
$ 57.19

Flexfab KIT4003D Charge Air (CAC) Hose & Clamp Kit — 1 Hose + 2 Clamps, Silicone

Make a fast, reliable repair with the Flexfab KIT4003D Charge Air (CAC) Hose & Clamp Kit — a complete, ready-to-install kit containing one Flex...

View full details
$ 71.39
$ 71.39 - $ 71.39
$ 71.39
$ 57.19
$ 57.19 - $ 57.19
$ 57.19
Save 20% Save %

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