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Flexfab 5521 Green Premium Heater Hose

The Flexfab 5521 series is premium green silicone heater hose rated to 350F, built for demanding radiator and coolant applications. Sold by the foot, box, or reel across a full range of diameters.

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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 %
$ 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...

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$ 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...

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$ 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...

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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 %
$ 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...

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$ 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...

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$ 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...

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$ 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...

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$ 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...

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$ 311.29
$ 311.29 - $ 311.29
$ 311.29
$ 248.99
$ 248.99 - $ 248.99
$ 248.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 172.49
$ 172.49 - $ 172.49
$ 172.49
$ 137.99
$ 137.99 - $ 137.99
$ 137.99

Flexfab 5521-050x25, 1/2" ID x 25 ft Box Premium Green Silicone Heater Hose, 13mm 350F Radiator Coolant

Product Details The Flexfab 5521-050x25 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

View full details
$ 172.49
$ 172.49 - $ 172.49
$ 172.49
$ 137.99
$ 137.99 - $ 137.99
$ 137.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,718.79
$ 2,718.79 - $ 2,718.79
$ 2,718.79
$ 2,174.99
$ 2,174.99 - $ 2,174.99
$ 2,174.99

Flexfab 5521-038x500, 3/8" ID x 500 ft Spool Premium Green Silicone Heater Hose, 10mm 350F Radiator Coolant

Product Details The Flexfab 5521-038x500 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It res...

View full details
$ 2,718.79
$ 2,718.79 - $ 2,718.79
$ 2,718.79
$ 2,174.99
$ 2,174.99 - $ 2,174.99
$ 2,174.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 279.99
$ 279.99 - $ 279.99
$ 279.99
$ 223.99
$ 223.99 - $ 223.99
$ 223.99

Flexfab 5521-038x50, 3/8" ID x 50 ft Box Premium Green Silicone Heater Hose, 10mm 350F Radiator Coolant

Product Details The Flexfab 5521-038x50 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

View full details
$ 279.99
$ 279.99 - $ 279.99
$ 279.99
$ 223.99
$ 223.99 - $ 223.99
$ 223.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 156.29
$ 156.29 - $ 156.29
$ 156.29
$ 124.99
$ 124.99 - $ 124.99
$ 124.99

Flexfab 5521-038x25, 3/8" ID x 25 ft Box Premium Green Silicone Heater Hose, 10mm 350F Radiator Coolant

Product Details The Flexfab 5521-038x25 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

View full details
$ 156.29
$ 156.29 - $ 156.29
$ 156.29
$ 124.99
$ 124.99 - $ 124.99
$ 124.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 3,437.49
$ 3,437.49 - $ 3,437.49
$ 3,437.49
$ 2,749.99
$ 2,749.99 - $ 2,749.99
$ 2,749.99

Flexfab 5521-031x600, 5/16" ID x 600 ft Spool Premium Green Silicone Heater Hose, 8mm 350F Radiator Coolant

Product Details The Flexfab 5521-031x600 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It res...

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$ 3,437.49
$ 3,437.49 - $ 3,437.49
$ 3,437.49
$ 2,749.99
$ 2,749.99 - $ 2,749.99
$ 2,749.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 156.29
$ 156.29 - $ 156.29
$ 156.29
$ 124.99
$ 124.99 - $ 124.99
$ 124.99

Flexfab 5521-031x25, 5/16" ID x 25 ft Box Premium Green Silicone Heater Hose, 8mm 350F Radiator Coolant

Product Details The Flexfab 5521-031x25 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

View full details
$ 156.29
$ 156.29 - $ 156.29
$ 156.29
$ 124.99
$ 124.99 - $ 124.99
$ 124.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 3,374.99
$ 3,374.99 - $ 3,374.99
$ 3,374.99
$ 2,699.99
$ 2,699.99 - $ 2,699.99
$ 2,699.99

Flexfab 5521-025x800, 1/4" ID x 800 ft Spool Premium Green Silicone Heater Hose, 6mm 350F Radiator Coolant

Product Details The Flexfab 5521-025x800 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It res...

View full details
$ 3,374.99
$ 3,374.99 - $ 3,374.99
$ 3,374.99
$ 2,699.99
$ 2,699.99 - $ 2,699.99
$ 2,699.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 249.99
$ 249.99 - $ 249.99
$ 249.99
$ 199.99
$ 199.99 - $ 199.99
$ 199.99

Flexfab 5521-025x50, 1/4" ID x 50 ft Box Premium Green Silicone Heater Hose, 6mm 350F Radiator Coolant

Product Details The Flexfab 5521-025x50 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

View full details
$ 249.99
$ 249.99 - $ 249.99
$ 249.99
$ 199.99
$ 199.99 - $ 199.99
$ 199.99
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 128.79
$ 128.79 - $ 128.79
$ 128.79
$ 102.99
$ 102.99 - $ 102.99
$ 102.99

Flexfab 5521-025x25, 1/4" ID x 25 ft Box Premium Green Silicone Heater Hose, 6mm 350F Radiator Coolant

Product Details The Flexfab 5521-025x25 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resi...

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$ 128.79
$ 128.79 - $ 128.79
$ 128.79
$ 102.99
$ 102.99 - $ 102.99
$ 102.99
Save 20% Save %
Flexfab 5521-125, 1-1/4" x 25 ft Green Premium Silicone Heater Hose, 1.25"
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$ 415.69
$ 415.69 - $ 415.69
$ 415.69
$ 332.55
$ 332.55 - $ 332.55
$ 332.55

Flexfab 5521-125, 1-1/4" x 25 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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$ 415.69
$ 415.69 - $ 415.69
$ 415.69
$ 332.55
$ 332.55 - $ 332.55
$ 332.55
Save 20% Save %
Flexfab 5521-087, 7/8" x 50 ft Green Premium Silicone Heater Hose, .88"
Save 20% Save %
$ 481.29
$ 481.29 - $ 481.29
$ 481.29
$ 385.03
$ 385.03 - $ 385.03
$ 385.03

Flexfab 5521-087, 7/8" x 50 ft Green Premium Silicone Heater Hose, .88"

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

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$ 481.29
$ 481.29 - $ 481.29
$ 481.29
$ 385.03
$ 385.03 - $ 385.03
$ 385.03
Save 20% Save %
Flexfab 5521-087, 7/8" x 25 ft Green Premium Silicone Heater Hose, .88"
Save 20% Save %
$ 255.49
$ 255.49 - $ 255.49
$ 255.49
$ 204.39
$ 204.39 - $ 204.39
$ 204.39

Flexfab 5521-087, 7/8" x 25 ft Green Premium Silicone Heater Hose, .88"

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

View full details
$ 255.49
$ 255.49 - $ 255.49
$ 255.49
$ 204.39
$ 204.39 - $ 204.39
$ 204.39
Save 20% Save %
Flexfab 5521-075, 3/4" x 50 ft Green Premium Silicone Heater Hose, .75"
Save 20% Save %
$ 449.99
$ 449.99 - $ 449.99
$ 449.99
$ 359.99
$ 359.99 - $ 359.99
$ 359.99

Flexfab 5521-075, 3/4" x 50 ft Green Premium Silicone Heater Hose, .75"

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

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$ 449.99
$ 449.99 - $ 449.99
$ 449.99
$ 359.99
$ 359.99 - $ 359.99
$ 359.99
Save 20% Save %

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