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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 %
$ 2,015.00
$ 2,015.00 - $ 2,015.00
$ 2,015.00
$ 1,612.00
$ 1,612.00 - $ 1,612.00
$ 1,612.00

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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$ 2,015.00
$ 2,015.00 - $ 2,015.00
$ 2,015.00
$ 1,612.00
$ 1,612.00 - $ 1,612.00
$ 1,612.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 1,662.00
$ 1,662.00 - $ 1,662.00
$ 1,662.00
$ 1,330.00
$ 1,330.00 - $ 1,330.00
$ 1,330.00

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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$ 1,662.00
$ 1,662.00 - $ 1,662.00
$ 1,662.00
$ 1,330.00
$ 1,330.00 - $ 1,330.00
$ 1,330.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 1,399.00
$ 1,399.00 - $ 1,399.00
$ 1,399.00
$ 1,120.00
$ 1,120.00 - $ 1,120.00
$ 1,120.00

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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$ 1,399.00
$ 1,399.00 - $ 1,399.00
$ 1,399.00
$ 1,120.00
$ 1,120.00 - $ 1,120.00
$ 1,120.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 15,609.00
$ 15,609.00 - $ 15,609.00
$ 15,609.00
$ 12,487.00
$ 12,487.00 - $ 12,487.00
$ 12,487.00

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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$ 15,609.00
$ 15,609.00 - $ 15,609.00
$ 15,609.00
$ 12,487.00
$ 12,487.00 - $ 12,487.00
$ 12,487.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 3,903.00
$ 3,903.00 - $ 3,903.00
$ 3,903.00
$ 3,122.00
$ 3,122.00 - $ 3,122.00
$ 3,122.00

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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$ 3,903.00
$ 3,903.00 - $ 3,903.00
$ 3,903.00
$ 3,122.00
$ 3,122.00 - $ 3,122.00
$ 3,122.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 14,738.00
$ 14,738.00 - $ 14,738.00
$ 14,738.00
$ 11,790.00
$ 11,790.00 - $ 11,790.00
$ 11,790.00

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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$ 14,738.00
$ 14,738.00 - $ 14,738.00
$ 14,738.00
$ 11,790.00
$ 11,790.00 - $ 11,790.00
$ 11,790.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 3,684.00
$ 3,684.00 - $ 3,684.00
$ 3,684.00
$ 2,949.00
$ 2,949.00 - $ 2,949.00
$ 2,949.00

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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$ 3,684.00
$ 3,684.00 - $ 3,684.00
$ 3,684.00
$ 2,949.00
$ 2,949.00 - $ 2,949.00
$ 2,949.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 13,562.00
$ 13,562.00 - $ 13,562.00
$ 13,562.00
$ 10,849.00
$ 10,849.00 - $ 10,849.00
$ 10,849.00

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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$ 13,562.00
$ 13,562.00 - $ 13,562.00
$ 13,562.00
$ 10,849.00
$ 10,849.00 - $ 10,849.00
$ 10,849.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 3,391.00
$ 3,391.00 - $ 3,391.00
$ 3,391.00
$ 2,713.00
$ 2,713.00 - $ 2,713.00
$ 2,713.00

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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$ 3,391.00
$ 3,391.00 - $ 3,391.00
$ 3,391.00
$ 2,713.00
$ 2,713.00 - $ 2,713.00
$ 2,713.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 11,580.00
$ 11,580.00 - $ 11,580.00
$ 11,580.00
$ 9,263.00
$ 9,263.00 - $ 9,263.00
$ 9,263.00

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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$ 11,580.00
$ 11,580.00 - $ 11,580.00
$ 11,580.00
$ 9,263.00
$ 9,263.00 - $ 9,263.00
$ 9,263.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,895.00
$ 2,895.00 - $ 2,895.00
$ 2,895.00
$ 2,317.00
$ 2,317.00 - $ 2,317.00
$ 2,317.00

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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$ 2,895.00
$ 2,895.00 - $ 2,895.00
$ 2,895.00
$ 2,317.00
$ 2,317.00 - $ 2,317.00
$ 2,317.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 11,457.00
$ 11,457.00 - $ 11,457.00
$ 11,457.00
$ 9,165.00
$ 9,165.00 - $ 9,165.00
$ 9,165.00

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...

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$ 11,457.00
$ 11,457.00 - $ 11,457.00
$ 11,457.00
$ 9,165.00
$ 9,165.00 - $ 9,165.00
$ 9,165.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,864.00
$ 2,864.00 - $ 2,864.00
$ 2,864.00
$ 2,292.00
$ 2,292.00 - $ 2,292.00
$ 2,292.00

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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$ 2,864.00
$ 2,864.00 - $ 2,864.00
$ 2,864.00
$ 2,292.00
$ 2,292.00 - $ 2,292.00
$ 2,292.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 11,399.00
$ 11,399.00 - $ 11,399.00
$ 11,399.00
$ 9,119.00
$ 9,119.00 - $ 9,119.00
$ 9,119.00

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
$ 11,399.00
$ 11,399.00 - $ 11,399.00
$ 11,399.00
$ 9,119.00
$ 9,119.00 - $ 9,119.00
$ 9,119.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,850.00
$ 2,850.00 - $ 2,850.00
$ 2,850.00
$ 2,280.00
$ 2,280.00 - $ 2,280.00
$ 2,280.00

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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$ 2,850.00
$ 2,850.00 - $ 2,850.00
$ 2,850.00
$ 2,280.00
$ 2,280.00 - $ 2,280.00
$ 2,280.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 9,653.00
$ 9,653.00 - $ 9,653.00
$ 9,653.00
$ 7,722.00
$ 7,722.00 - $ 7,722.00
$ 7,722.00

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...

View full details
$ 9,653.00
$ 9,653.00 - $ 9,653.00
$ 9,653.00
$ 7,722.00
$ 7,722.00 - $ 7,722.00
$ 7,722.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,413.00
$ 2,413.00 - $ 2,413.00
$ 2,413.00
$ 1,931.00
$ 1,931.00 - $ 1,931.00
$ 1,931.00

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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$ 2,413.00
$ 2,413.00 - $ 2,413.00
$ 2,413.00
$ 1,931.00
$ 1,931.00 - $ 1,931.00
$ 1,931.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 10,326.00
$ 10,326.00 - $ 10,326.00
$ 10,326.00
$ 8,261.00
$ 8,261.00 - $ 8,261.00
$ 8,261.00

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
$ 10,326.00
$ 10,326.00 - $ 10,326.00
$ 10,326.00
$ 8,261.00
$ 8,261.00 - $ 8,261.00
$ 8,261.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,582.00
$ 2,582.00 - $ 2,582.00
$ 2,582.00
$ 2,065.00
$ 2,065.00 - $ 2,065.00
$ 2,065.00

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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$ 2,582.00
$ 2,582.00 - $ 2,582.00
$ 2,582.00
$ 2,065.00
$ 2,065.00 - $ 2,065.00
$ 2,065.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 8,061.00
$ 8,061.00 - $ 8,061.00
$ 8,061.00
$ 6,450.00
$ 6,450.00 - $ 6,450.00
$ 6,450.00

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
$ 8,061.00
$ 8,061.00 - $ 8,061.00
$ 8,061.00
$ 6,450.00
$ 6,450.00 - $ 6,450.00
$ 6,450.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 9,997.00
$ 9,997.00 - $ 9,997.00
$ 9,997.00
$ 7,998.00
$ 7,998.00 - $ 7,998.00
$ 7,998.00

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
$ 9,997.00
$ 9,997.00 - $ 9,997.00
$ 9,997.00
$ 7,998.00
$ 7,998.00 - $ 7,998.00
$ 7,998.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,499.00
$ 2,499.00 - $ 2,499.00
$ 2,499.00
$ 2,000.00
$ 2,000.00 - $ 2,000.00
$ 2,000.00

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...

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$ 2,499.00
$ 2,499.00 - $ 2,499.00
$ 2,499.00
$ 2,000.00
$ 2,000.00 - $ 2,000.00
$ 2,000.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 8,430.00
$ 8,430.00 - $ 8,430.00
$ 8,430.00
$ 6,744.00
$ 6,744.00 - $ 6,744.00
$ 6,744.00

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
$ 8,430.00
$ 8,430.00 - $ 8,430.00
$ 8,430.00
$ 6,744.00
$ 6,744.00 - $ 6,744.00
$ 6,744.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,108.00
$ 2,108.00 - $ 2,108.00
$ 2,108.00
$ 1,686.00
$ 1,686.00 - $ 1,686.00
$ 1,686.00

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
$ 2,108.00
$ 2,108.00 - $ 2,108.00
$ 2,108.00
$ 1,686.00
$ 1,686.00 - $ 1,686.00
$ 1,686.00
Save 20% Save %

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