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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 %
$ 2,245.00
$ 2,245.00 - $ 2,245.00
$ 2,245.00
$ 1,796.00
$ 1,796.00 - $ 1,796.00
$ 1,796.00

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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$ 2,245.00
$ 2,245.00 - $ 2,245.00
$ 2,245.00
$ 1,796.00
$ 1,796.00 - $ 1,796.00
$ 1,796.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 1,851.00
$ 1,851.00 - $ 1,851.00
$ 1,851.00
$ 1,481.00
$ 1,481.00 - $ 1,481.00
$ 1,481.00

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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$ 1,851.00
$ 1,851.00 - $ 1,851.00
$ 1,851.00
$ 1,481.00
$ 1,481.00 - $ 1,481.00
$ 1,481.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 1,558.00
$ 1,558.00 - $ 1,558.00
$ 1,558.00
$ 1,247.00
$ 1,247.00 - $ 1,247.00
$ 1,247.00

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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$ 1,558.00
$ 1,558.00 - $ 1,558.00
$ 1,558.00
$ 1,247.00
$ 1,247.00 - $ 1,247.00
$ 1,247.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 17,387.00
$ 17,387.00 - $ 17,387.00
$ 17,387.00
$ 13,910.00
$ 13,910.00 - $ 13,910.00
$ 13,910.00

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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$ 17,387.00
$ 17,387.00 - $ 17,387.00
$ 17,387.00
$ 13,910.00
$ 13,910.00 - $ 13,910.00
$ 13,910.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 4,347.00
$ 4,347.00 - $ 4,347.00
$ 4,347.00
$ 3,478.00
$ 3,478.00 - $ 3,478.00
$ 3,478.00

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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$ 4,347.00
$ 4,347.00 - $ 4,347.00
$ 4,347.00
$ 3,478.00
$ 3,478.00 - $ 3,478.00
$ 3,478.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 16,417.00
$ 16,417.00 - $ 16,417.00
$ 16,417.00
$ 13,133.00
$ 13,133.00 - $ 13,133.00
$ 13,133.00

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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$ 16,417.00
$ 16,417.00 - $ 16,417.00
$ 16,417.00
$ 13,133.00
$ 13,133.00 - $ 13,133.00
$ 13,133.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 4,103.00
$ 4,103.00 - $ 4,103.00
$ 4,103.00
$ 3,284.00
$ 3,284.00 - $ 3,284.00
$ 3,284.00

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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$ 4,103.00
$ 4,103.00 - $ 4,103.00
$ 4,103.00
$ 3,284.00
$ 3,284.00 - $ 3,284.00
$ 3,284.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 15,107.00
$ 15,107.00 - $ 15,107.00
$ 15,107.00
$ 12,085.00
$ 12,085.00 - $ 12,085.00
$ 12,085.00

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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$ 15,107.00
$ 15,107.00 - $ 15,107.00
$ 15,107.00
$ 12,085.00
$ 12,085.00 - $ 12,085.00
$ 12,085.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 3,777.00
$ 3,777.00 - $ 3,777.00
$ 3,777.00
$ 3,022.00
$ 3,022.00 - $ 3,022.00
$ 3,022.00

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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$ 3,777.00
$ 3,777.00 - $ 3,777.00
$ 3,777.00
$ 3,022.00
$ 3,022.00 - $ 3,022.00
$ 3,022.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 12,899.00
$ 12,899.00 - $ 12,899.00
$ 12,899.00
$ 10,319.00
$ 10,319.00 - $ 10,319.00
$ 10,319.00

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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$ 12,899.00
$ 12,899.00 - $ 12,899.00
$ 12,899.00
$ 10,319.00
$ 10,319.00 - $ 10,319.00
$ 10,319.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 3,225.00
$ 3,225.00 - $ 3,225.00
$ 3,225.00
$ 2,580.00
$ 2,580.00 - $ 2,580.00
$ 2,580.00

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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$ 3,225.00
$ 3,225.00 - $ 3,225.00
$ 3,225.00
$ 2,580.00
$ 2,580.00 - $ 2,580.00
$ 2,580.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 12,763.00
$ 12,763.00 - $ 12,763.00
$ 12,763.00
$ 10,209.00
$ 10,209.00 - $ 10,209.00
$ 10,209.00

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
$ 12,763.00
$ 12,763.00 - $ 12,763.00
$ 12,763.00
$ 10,209.00
$ 10,209.00 - $ 10,209.00
$ 10,209.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 3,190.00
$ 3,190.00 - $ 3,190.00
$ 3,190.00
$ 2,554.00
$ 2,554.00 - $ 2,554.00
$ 2,554.00

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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$ 3,190.00
$ 3,190.00 - $ 3,190.00
$ 3,190.00
$ 2,554.00
$ 2,554.00 - $ 2,554.00
$ 2,554.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 12,697.00
$ 12,697.00 - $ 12,697.00
$ 12,697.00
$ 10,158.00
$ 10,158.00 - $ 10,158.00
$ 10,158.00

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
$ 12,697.00
$ 12,697.00 - $ 12,697.00
$ 12,697.00
$ 10,158.00
$ 10,158.00 - $ 10,158.00
$ 10,158.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 3,175.00
$ 3,175.00 - $ 3,175.00
$ 3,175.00
$ 2,540.00
$ 2,540.00 - $ 2,540.00
$ 2,540.00

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...

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$ 3,175.00
$ 3,175.00 - $ 3,175.00
$ 3,175.00
$ 2,540.00
$ 2,540.00 - $ 2,540.00
$ 2,540.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 10,752.00
$ 10,752.00 - $ 10,752.00
$ 10,752.00
$ 8,602.00
$ 8,602.00 - $ 8,602.00
$ 8,602.00

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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$ 10,752.00
$ 10,752.00 - $ 10,752.00
$ 10,752.00
$ 8,602.00
$ 8,602.00 - $ 8,602.00
$ 8,602.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,688.00
$ 2,688.00 - $ 2,688.00
$ 2,688.00
$ 2,151.00
$ 2,151.00 - $ 2,151.00
$ 2,151.00

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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$ 2,688.00
$ 2,688.00 - $ 2,688.00
$ 2,688.00
$ 2,151.00
$ 2,151.00 - $ 2,151.00
$ 2,151.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 11,502.00
$ 11,502.00 - $ 11,502.00
$ 11,502.00
$ 9,202.00
$ 9,202.00 - $ 9,202.00
$ 9,202.00

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
$ 11,502.00
$ 11,502.00 - $ 11,502.00
$ 11,502.00
$ 9,202.00
$ 9,202.00 - $ 9,202.00
$ 9,202.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,876.00
$ 2,876.00 - $ 2,876.00
$ 2,876.00
$ 2,300.00
$ 2,300.00 - $ 2,300.00
$ 2,300.00

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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$ 2,876.00
$ 2,876.00 - $ 2,876.00
$ 2,876.00
$ 2,300.00
$ 2,300.00 - $ 2,300.00
$ 2,300.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 8,980.00
$ 8,980.00 - $ 8,980.00
$ 8,980.00
$ 7,184.00
$ 7,184.00 - $ 7,184.00
$ 7,184.00

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
$ 8,980.00
$ 8,980.00 - $ 8,980.00
$ 8,980.00
$ 7,184.00
$ 7,184.00 - $ 7,184.00
$ 7,184.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 11,136.00
$ 11,136.00 - $ 11,136.00
$ 11,136.00
$ 8,909.00
$ 8,909.00 - $ 8,909.00
$ 8,909.00

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
$ 11,136.00
$ 11,136.00 - $ 11,136.00
$ 11,136.00
$ 8,909.00
$ 8,909.00 - $ 8,909.00
$ 8,909.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,784.00
$ 2,784.00 - $ 2,784.00
$ 2,784.00
$ 2,227.00
$ 2,227.00 - $ 2,227.00
$ 2,227.00

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
$ 2,784.00
$ 2,784.00 - $ 2,784.00
$ 2,784.00
$ 2,227.00
$ 2,227.00 - $ 2,227.00
$ 2,227.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 9,390.00
$ 9,390.00 - $ 9,390.00
$ 9,390.00
$ 7,512.00
$ 7,512.00 - $ 7,512.00
$ 7,512.00

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
$ 9,390.00
$ 9,390.00 - $ 9,390.00
$ 9,390.00
$ 7,512.00
$ 7,512.00 - $ 7,512.00
$ 7,512.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,348.00
$ 2,348.00 - $ 2,348.00
$ 2,348.00
$ 1,878.00
$ 1,878.00 - $ 1,878.00
$ 1,878.00

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
$ 2,348.00
$ 2,348.00 - $ 2,348.00
$ 2,348.00
$ 1,878.00
$ 1,878.00 - $ 1,878.00
$ 1,878.00
Save 20% Save %

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