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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 %
$ 253.79
$ 253.79 - $ 253.79
$ 253.79
$ 202.99
$ 202.99 - $ 202.99
$ 202.99

Flexfab 7902 Charge Air 45° Elbow, 3.50/4.00" ID Silicone Blue Hose, 8.75" OAL

Solve a tough routing or connection challenge with the Flexfab 7902 Charge Air 45° Elbow — a purpose-built blue silicone 45-degree reducing elbow f...

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$ 253.79
$ 253.79 - $ 253.79
$ 253.79
$ 202.99
$ 202.99 - $ 202.99
$ 202.99
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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 7965 Coolant Elbow 90°, 2.50" ID Silicone Black Hose, 10.00" OAL

Solve a tough routing or connection challenge with the Flexfab 7965 Coolant Elbow 90° — a purpose-built black silicone 90-degree elbow for unique a...

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$ 88.79
$ 88.79 - $ 88.79
$ 88.79
$ 70.99
$ 70.99 - $ 70.99
$ 70.99
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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 %
$ 77.49
$ 77.49 - $ 77.49
$ 77.49
$ 61.99
$ 61.99 - $ 61.99
$ 61.99

Flexfab 7967 Coolant Bellows, 2.50" ID Silicone Black Hose, 8.50" OAL

Solve a tough routing or connection challenge with the Flexfab 7967 Coolant Bellows — a purpose-built black silicone convoluted bellows for unique ...

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$ 77.49
$ 77.49 - $ 77.49
$ 77.49
$ 61.99
$ 61.99 - $ 61.99
$ 61.99
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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 %
$ 59.99
$ 59.99 - $ 59.99
$ 59.99
$ 47.99
$ 47.99 - $ 47.99
$ 47.99

Flexfab 7730-0001 Coolant Sleeve, 3.00" ID Silicone Green Hose, 6.00" OAL

Solve a tough routing or connection challenge with the Flexfab 7730-0001 Coolant Sleeve — a purpose-built green silicone straight sleeve for unique...

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$ 59.99
$ 59.99 - $ 59.99
$ 59.99
$ 47.99
$ 47.99 - $ 47.99
$ 47.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,187.49
$ 2,187.49 - $ 2,187.49
$ 2,187.49
$ 1,749.99
$ 1,749.99 - $ 1,749.99
$ 1,749.99

Flexfab 5934-112x150, 1-1/8" ID x 150 ft Spool Premium Blue Silicone Heater Hose, 29mm 350F Radiator Coolant

Product Details The Flexfab 5934-112x150 is a blue silicone premium, 1-ply hose engineered for demanding engine environments. It resists hardening,...

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$ 2,187.49
$ 2,187.49 - $ 2,187.49
$ 2,187.49
$ 1,749.99
$ 1,749.99 - $ 1,749.99
$ 1,749.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 737.49
$ 737.49 - $ 737.49
$ 737.49
$ 589.99
$ 589.99 - $ 589.99
$ 589.99

Flexfab 5934-112x50, 1-1/8" ID x 50 ft Box Premium Blue Silicone Heater Hose, 29mm 350F Radiator Coolant

Product Details The Flexfab 5934-112x50 is a blue silicone premium, 1-ply hose engineered for demanding engine environments. It resists hardening, ...

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$ 737.49
$ 737.49 - $ 737.49
$ 737.49
$ 589.99
$ 589.99 - $ 589.99
$ 589.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 381.29
$ 381.29 - $ 381.29
$ 381.29
$ 304.99
$ 304.99 - $ 304.99
$ 304.99

Flexfab 5934-112x25, 1-1/8" ID x 25 ft Box Premium Blue Silicone Heater Hose, 29mm 350F Radiator Coolant

Product Details The Flexfab 5934-112x25 is a blue silicone premium, 1-ply hose engineered for demanding engine environments. It resists hardening, ...

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$ 381.29
$ 381.29 - $ 381.29
$ 381.29
$ 304.99
$ 304.99 - $ 304.99
$ 304.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,512.49
$ 2,512.49 - $ 2,512.49
$ 2,512.49
$ 2,009.99
$ 2,009.99 - $ 2,009.99
$ 2,009.99

Flexfab 5521-125x150, 1-1/4" ID x 150 ft Spool Premium Green Silicone Heater Hose, 32mm 350F Radiator Coolant

Product Details The Flexfab 5521-125x150 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It res...

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$ 2,512.49
$ 2,512.49 - $ 2,512.49
$ 2,512.49
$ 2,009.99
$ 2,009.99 - $ 2,009.99
$ 2,009.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 849.99
$ 849.99 - $ 849.99
$ 849.99
$ 679.99
$ 679.99 - $ 679.99
$ 679.99

Flexfab 5521-125x50, 1-1/4" ID x 50 ft Box Premium Green Silicone Heater Hose, 32mm 350F Radiator Coolant

Product Details The Flexfab 5521-125x50 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

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$ 849.99
$ 849.99 - $ 849.99
$ 849.99
$ 679.99
$ 679.99 - $ 679.99
$ 679.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 436.29
$ 436.29 - $ 436.29
$ 436.29
$ 348.99
$ 348.99 - $ 348.99
$ 348.99

Flexfab 5521-125x25, 1-1/4" ID x 25 ft Box Premium Green Silicone Heater Hose, 32mm 350F Radiator Coolant

Product Details The Flexfab 5521-125x25 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

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$ 436.29
$ 436.29 - $ 436.29
$ 436.29
$ 348.99
$ 348.99 - $ 348.99
$ 348.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,624.99
$ 2,624.99 - $ 2,624.99
$ 2,624.99
$ 2,099.99
$ 2,099.99 - $ 2,099.99
$ 2,099.99

Flexfab 5521-100x200, 1" ID x 200 ft Spool Premium Green Silicone Heater Hose, 25mm 350F Radiator Coolant

Product Details The Flexfab 5521-100x200 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It res...

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$ 2,624.99
$ 2,624.99 - $ 2,624.99
$ 2,624.99
$ 2,099.99
$ 2,099.99 - $ 2,099.99
$ 2,099.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 668.79
$ 668.79 - $ 668.79
$ 668.79
$ 534.99
$ 534.99 - $ 534.99
$ 534.99

Flexfab 5521-100x50, 1" ID x 50 ft Box Premium Green Silicone Heater Hose, 25mm 350F Radiator Coolant

Product Details The Flexfab 5521-100x50 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

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$ 668.79
$ 668.79 - $ 668.79
$ 668.79
$ 534.99
$ 534.99 - $ 534.99
$ 534.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 352.49
$ 352.49 - $ 352.49
$ 352.49
$ 281.99
$ 281.99 - $ 281.99
$ 281.99

Flexfab 5521-100x25, 1" ID x 25 ft Box Premium Green Silicone Heater Hose, 25mm 350F Radiator Coolant

Product Details The Flexfab 5521-100x25 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

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$ 352.49
$ 352.49 - $ 352.49
$ 352.49
$ 281.99
$ 281.99 - $ 281.99
$ 281.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 1,937.49
$ 1,937.49 - $ 1,937.49
$ 1,937.49
$ 1,549.99
$ 1,549.99 - $ 1,549.99
$ 1,549.99

Flexfab 5521-087x150, 7/8" ID x 150 ft Spool Premium Green Silicone Heater Hose, 22mm 350F Radiator Coolant

Product Details The Flexfab 5521-087x150 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It res...

View full details
$ 1,937.49
$ 1,937.49 - $ 1,937.49
$ 1,937.49
$ 1,549.99
$ 1,549.99 - $ 1,549.99
$ 1,549.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 503.79
$ 503.79 - $ 503.79
$ 503.79
$ 402.99
$ 402.99 - $ 402.99
$ 402.99

Flexfab 5521-087x50, 7/8" ID x 50 ft Box Premium Green Silicone Heater Hose, 22mm 350F Radiator Coolant

Product Details The Flexfab 5521-087x50 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

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$ 503.79
$ 503.79 - $ 503.79
$ 503.79
$ 402.99
$ 402.99 - $ 402.99
$ 402.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 272.49
$ 272.49 - $ 272.49
$ 272.49
$ 217.99
$ 217.99 - $ 217.99
$ 217.99

Flexfab 5521-087x25, 7/8" ID x 25 ft Box Premium Green Silicone Heater Hose, 22mm 350F Radiator Coolant

Product Details The Flexfab 5521-087x25 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

View full details
$ 272.49
$ 272.49 - $ 272.49
$ 272.49
$ 217.99
$ 217.99 - $ 217.99
$ 217.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,624.99
$ 2,624.99 - $ 2,624.99
$ 2,624.99
$ 2,099.99
$ 2,099.99 - $ 2,099.99
$ 2,099.99

Flexfab 5521-075x300, 3/4" ID x 300 ft Spool Premium Green Silicone Heater Hose, 19mm 350F Radiator Coolant

Product Details The Flexfab 5521-075x300 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It res...

View full details
$ 2,624.99
$ 2,624.99 - $ 2,624.99
$ 2,624.99
$ 2,099.99
$ 2,099.99 - $ 2,099.99
$ 2,099.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 474.99
$ 474.99 - $ 474.99
$ 474.99
$ 379.99
$ 379.99 - $ 379.99
$ 379.99

Flexfab 5521-075x50, 3/4" ID x 50 ft Box Premium Green Silicone Heater Hose, 19mm 350F Radiator Coolant

Product Details The Flexfab 5521-075x50 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

View full details
$ 474.99
$ 474.99 - $ 474.99
$ 474.99
$ 379.99
$ 379.99 - $ 379.99
$ 379.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 259.99
$ 259.99 - $ 259.99
$ 259.99
$ 207.99
$ 207.99 - $ 207.99
$ 207.99

Flexfab 5521-075x25, 3/4" ID x 25 ft Box Premium Green Silicone Heater Hose, 19mm 350F Radiator Coolant

Product Details The Flexfab 5521-075x25 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

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$ 259.99
$ 259.99 - $ 259.99
$ 259.99
$ 207.99
$ 207.99 - $ 207.99
$ 207.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,874.99
$ 2,874.99 - $ 2,874.99
$ 2,874.99
$ 2,299.99
$ 2,299.99 - $ 2,299.99
$ 2,299.99

Flexfab 5521-062x400, 5/8" ID x 400 ft Spool Premium Green Silicone Heater Hose, 16mm 350F Radiator Coolant

Product Details The Flexfab 5521-062x400 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It res...

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$ 2,874.99
$ 2,874.99 - $ 2,874.99
$ 2,874.99
$ 2,299.99
$ 2,299.99 - $ 2,299.99
$ 2,299.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 361.29
$ 361.29 - $ 361.29
$ 361.29
$ 288.99
$ 288.99 - $ 288.99
$ 288.99

Flexfab 5521-062x50, 5/8" ID x 50 ft Box Premium Green Silicone Heater Hose, 16mm 350F Radiator Coolant

Product Details The Flexfab 5521-062x50 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

View full details
$ 361.29
$ 361.29 - $ 361.29
$ 361.29
$ 288.99
$ 288.99 - $ 288.99
$ 288.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 196.29
$ 196.29 - $ 196.29
$ 196.29
$ 156.99
$ 156.99 - $ 156.99
$ 156.99

Flexfab 5521-062x25, 5/8" ID x 25 ft Box Premium Green Silicone Heater Hose, 16mm 350F Radiator Coolant

Product Details The Flexfab 5521-062x25 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

View full details
$ 196.29
$ 196.29 - $ 196.29
$ 196.29
$ 156.99
$ 156.99 - $ 156.99
$ 156.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 3,124.99
$ 3,124.99 - $ 3,124.99
$ 3,124.99
$ 2,499.99
$ 2,499.99 - $ 2,499.99
$ 2,499.99

Flexfab 5521-050x500, 1/2" ID x 500 ft Spool Premium Green Silicone Heater Hose, 13mm 350F Radiator Coolant

Product Details The Flexfab 5521-050x500 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It res...

View full details
$ 3,124.99
$ 3,124.99 - $ 3,124.99
$ 3,124.99
$ 2,499.99
$ 2,499.99 - $ 2,499.99
$ 2,499.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 311.29
$ 311.29 - $ 311.29
$ 311.29
$ 248.99
$ 248.99 - $ 248.99
$ 248.99

Flexfab 5521-050x50, 1/2" ID x 50 ft Box Premium Green Silicone Heater Hose, 13mm 350F Radiator Coolant

Product Details The Flexfab 5521-050x50 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

View full details
$ 311.29
$ 311.29 - $ 311.29
$ 311.29
$ 248.99
$ 248.99 - $ 248.99
$ 248.99
Save 20% Save %

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