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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 %
$ 2,071.00
$ 2,071.00 - $ 2,071.00
$ 2,071.00
$ 1,657.00
$ 1,657.00 - $ 1,657.00
$ 1,657.00

Flexfab 5581-312, 3.13" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 80mm

Product Details The Flexfab 5581-312 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 2,071.00
$ 2,071.00 - $ 2,071.00
$ 2,071.00
$ 1,657.00
$ 1,657.00 - $ 1,657.00
$ 1,657.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 1,708.00
$ 1,708.00 - $ 1,708.00
$ 1,708.00
$ 1,366.00
$ 1,366.00 - $ 1,366.00
$ 1,366.00

Flexfab 5581-212, 2.13" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 54mm

Product Details The Flexfab 5581-212 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 1,708.00
$ 1,708.00 - $ 1,708.00
$ 1,708.00
$ 1,366.00
$ 1,366.00 - $ 1,366.00
$ 1,366.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 1,437.00
$ 1,437.00 - $ 1,437.00
$ 1,437.00
$ 1,151.00
$ 1,151.00 - $ 1,151.00
$ 1,151.00

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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$ 1,437.00
$ 1,437.00 - $ 1,437.00
$ 1,437.00
$ 1,151.00
$ 1,151.00 - $ 1,151.00
$ 1,151.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 16,040.00
$ 16,040.00 - $ 16,040.00
$ 16,040.00
$ 12,832.00
$ 12,832.00 - $ 12,832.00
$ 12,832.00

Flexfab 5581-550X12, 5.50" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 140mm

Product Details The Flexfab 5581-550X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 16,040.00
$ 16,040.00 - $ 16,040.00
$ 16,040.00
$ 12,832.00
$ 12,832.00 - $ 12,832.00
$ 12,832.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 4,010.00
$ 4,010.00 - $ 4,010.00
$ 4,010.00
$ 3,209.00
$ 3,209.00 - $ 3,209.00
$ 3,209.00

Flexfab 5581-550, 5.50" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 140mm

Product Details The Flexfab 5581-550 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 4,010.00
$ 4,010.00 - $ 4,010.00
$ 4,010.00
$ 3,209.00
$ 3,209.00 - $ 3,209.00
$ 3,209.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 15,145.00
$ 15,145.00 - $ 15,145.00
$ 15,145.00
$ 12,115.00
$ 12,115.00 - $ 12,115.00
$ 12,115.00

Flexfab 5581-500X12, 5.00" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 127mm

Product Details The Flexfab 5581-500X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 15,145.00
$ 15,145.00 - $ 15,145.00
$ 15,145.00
$ 12,115.00
$ 12,115.00 - $ 12,115.00
$ 12,115.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 3,786.00
$ 3,786.00 - $ 3,786.00
$ 3,786.00
$ 3,030.00
$ 3,030.00 - $ 3,030.00
$ 3,030.00

Flexfab 5581-500, 5.00" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 127mm

Product Details The Flexfab 5581-500 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 3,786.00
$ 3,786.00 - $ 3,786.00
$ 3,786.00
$ 3,030.00
$ 3,030.00 - $ 3,030.00
$ 3,030.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 13,936.00
$ 13,936.00 - $ 13,936.00
$ 13,936.00
$ 11,149.00
$ 11,149.00 - $ 11,149.00
$ 11,149.00

Flexfab 5581-450X12, 4.50" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 114mm

Product Details The Flexfab 5581-450X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 13,936.00
$ 13,936.00 - $ 13,936.00
$ 13,936.00
$ 11,149.00
$ 11,149.00 - $ 11,149.00
$ 11,149.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 3,485.00
$ 3,485.00 - $ 3,485.00
$ 3,485.00
$ 2,787.00
$ 2,787.00 - $ 2,787.00
$ 2,787.00

Flexfab 5581-450, 4.50" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 114mm

Product Details The Flexfab 5581-450 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 3,485.00
$ 3,485.00 - $ 3,485.00
$ 3,485.00
$ 2,787.00
$ 2,787.00 - $ 2,787.00
$ 2,787.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 11,899.00
$ 11,899.00 - $ 11,899.00
$ 11,899.00
$ 9,519.00
$ 9,519.00 - $ 9,519.00
$ 9,519.00

Flexfab 5581-400X12, 4.00" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 102mm

Product Details The Flexfab 5581-400X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 11,899.00
$ 11,899.00 - $ 11,899.00
$ 11,899.00
$ 9,519.00
$ 9,519.00 - $ 9,519.00
$ 9,519.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,975.00
$ 2,975.00 - $ 2,975.00
$ 2,975.00
$ 2,380.00
$ 2,380.00 - $ 2,380.00
$ 2,380.00

Flexfab 5581-400, 4.00" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 102mm

Product Details The Flexfab 5581-400 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 2,975.00
$ 2,975.00 - $ 2,975.00
$ 2,975.00
$ 2,380.00
$ 2,380.00 - $ 2,380.00
$ 2,380.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 11,774.00
$ 11,774.00 - $ 11,774.00
$ 11,774.00
$ 9,418.00
$ 9,418.00 - $ 9,418.00
$ 9,418.00

Flexfab 5581-375X12, 3.75" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 95mm

Product Details The Flexfab 5581-375X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

View full details
$ 11,774.00
$ 11,774.00 - $ 11,774.00
$ 11,774.00
$ 9,418.00
$ 9,418.00 - $ 9,418.00
$ 9,418.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,943.00
$ 2,943.00 - $ 2,943.00
$ 2,943.00
$ 2,356.00
$ 2,356.00 - $ 2,356.00
$ 2,356.00

Flexfab 5581-375, 3.75" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 95mm

Product Details The Flexfab 5581-375 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 2,943.00
$ 2,943.00 - $ 2,943.00
$ 2,943.00
$ 2,356.00
$ 2,356.00 - $ 2,356.00
$ 2,356.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 11,713.00
$ 11,713.00 - $ 11,713.00
$ 11,713.00
$ 9,370.00
$ 9,370.00 - $ 9,370.00
$ 9,370.00

Flexfab 5581-350X12, 3.50" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 89mm

Product Details The Flexfab 5581-350X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

View full details
$ 11,713.00
$ 11,713.00 - $ 11,713.00
$ 11,713.00
$ 9,370.00
$ 9,370.00 - $ 9,370.00
$ 9,370.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,929.00
$ 2,929.00 - $ 2,929.00
$ 2,929.00
$ 2,343.00
$ 2,343.00 - $ 2,343.00
$ 2,343.00

Flexfab 5581-350, 3.50" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 89mm

Product Details The Flexfab 5581-350 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

View full details
$ 2,929.00
$ 2,929.00 - $ 2,929.00
$ 2,929.00
$ 2,343.00
$ 2,343.00 - $ 2,343.00
$ 2,343.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 9,919.00
$ 9,919.00 - $ 9,919.00
$ 9,919.00
$ 7,935.00
$ 7,935.00 - $ 7,935.00
$ 7,935.00

Flexfab 5581-338X12, 3.38" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 86mm

Product Details The Flexfab 5581-338X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

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$ 9,919.00
$ 9,919.00 - $ 9,919.00
$ 9,919.00
$ 7,935.00
$ 7,935.00 - $ 7,935.00
$ 7,935.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,480.00
$ 2,480.00 - $ 2,480.00
$ 2,480.00
$ 1,984.00
$ 1,984.00 - $ 1,984.00
$ 1,984.00

Flexfab 5581-338, 3.38" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 86mm

Product Details The Flexfab 5581-338 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 2,480.00
$ 2,480.00 - $ 2,480.00
$ 2,480.00
$ 1,984.00
$ 1,984.00 - $ 1,984.00
$ 1,984.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 10,611.00
$ 10,611.00 - $ 10,611.00
$ 10,611.00
$ 8,489.00
$ 8,489.00 - $ 8,489.00
$ 8,489.00

Flexfab 5581-325X12, 3.25" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 83mm

Product Details The Flexfab 5581-325X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

View full details
$ 10,611.00
$ 10,611.00 - $ 10,611.00
$ 10,611.00
$ 8,489.00
$ 8,489.00 - $ 8,489.00
$ 8,489.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,653.00
$ 2,653.00 - $ 2,653.00
$ 2,653.00
$ 2,122.00
$ 2,122.00 - $ 2,122.00
$ 2,122.00

Flexfab 5581-325, 3.25" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 83mm

Product Details The Flexfab 5581-325 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

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$ 2,653.00
$ 2,653.00 - $ 2,653.00
$ 2,653.00
$ 2,122.00
$ 2,122.00 - $ 2,122.00
$ 2,122.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 8,284.00
$ 8,284.00 - $ 8,284.00
$ 8,284.00
$ 6,628.00
$ 6,628.00 - $ 6,628.00
$ 6,628.00

Flexfab 5581-312X12, 3.13" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 80mm

Product Details The Flexfab 5581-312X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

View full details
$ 8,284.00
$ 8,284.00 - $ 8,284.00
$ 8,284.00
$ 6,628.00
$ 6,628.00 - $ 6,628.00
$ 6,628.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 10,273.00
$ 10,273.00 - $ 10,273.00
$ 10,273.00
$ 8,218.00
$ 8,218.00 - $ 8,218.00
$ 8,218.00

Flexfab 5581-300X12, 3.00" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 76mm

Product Details The Flexfab 5581-300X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

View full details
$ 10,273.00
$ 10,273.00 - $ 10,273.00
$ 10,273.00
$ 8,218.00
$ 8,218.00 - $ 8,218.00
$ 8,218.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,568.00
$ 2,568.00 - $ 2,568.00
$ 2,568.00
$ 2,055.00
$ 2,055.00 - $ 2,055.00
$ 2,055.00

Flexfab 5581-300, 3.00" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 76mm

Product Details The Flexfab 5581-300 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

View full details
$ 2,568.00
$ 2,568.00 - $ 2,568.00
$ 2,568.00
$ 2,055.00
$ 2,055.00 - $ 2,055.00
$ 2,055.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 8,663.00
$ 8,663.00 - $ 8,663.00
$ 8,663.00
$ 6,930.00
$ 6,930.00 - $ 6,930.00
$ 6,930.00

Flexfab 5581-287X12, 2.88" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 73mm

Product Details The Flexfab 5581-287X12 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It r...

View full details
$ 8,663.00
$ 8,663.00 - $ 8,663.00
$ 8,663.00
$ 6,930.00
$ 6,930.00 - $ 6,930.00
$ 6,930.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,166.00
$ 2,166.00 - $ 2,166.00
$ 2,166.00
$ 1,733.00
$ 1,733.00 - $ 1,733.00
$ 1,733.00

Flexfab 5581-287, 2.88" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 73mm

Product Details The Flexfab 5581-287 is a silicone hose w/ 4-ply polyester reinforcement hose engineered for demanding engine environments. It resi...

View full details
$ 2,166.00
$ 2,166.00 - $ 2,166.00
$ 2,166.00
$ 1,733.00
$ 1,733.00 - $ 1,733.00
$ 1,733.00
Save 20% Save %

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