Skip to content

Flexfab Silicone Hose

Flexfab silicone hose handles the heat, pressure, and vibration that take down ordinary rubber. This collection covers the full Flexfab range of silicone heater and coolant hose, from standard blue heater hose to premium green, 4-ply, wire-reinforced, and high-temp constructions for diesel, marine, transit, and heavy-duty cooling systems. Built in the USA and sold by the foot, box, or reel.

Filters

Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 3,012.00
$ 3,012.00 - $ 3,012.00
$ 3,012.00
$ 2,411.00
$ 2,411.00 - $ 2,411.00
$ 2,411.00

Flexfab 5780-200, 2.00" x 3 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 51mm

Product Details The Flexfab 5780-200 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardening,...

View full details
$ 3,012.00
$ 3,012.00 - $ 3,012.00
$ 3,012.00
$ 2,411.00
$ 2,411.00 - $ 2,411.00
$ 2,411.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 2,701.00
$ 2,701.00 - $ 2,701.00
$ 2,701.00
$ 2,160.00
$ 2,160.00 - $ 2,160.00
$ 2,160.00

Flexfab 5780-175, 1.75" x 3 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 44mm

Product Details The Flexfab 5780-175 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardening,...

View full details
$ 2,701.00
$ 2,701.00 - $ 2,701.00
$ 2,701.00
$ 2,160.00
$ 2,160.00 - $ 2,160.00
$ 2,160.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 2,385.00
$ 2,385.00 - $ 2,385.00
$ 2,385.00
$ 1,908.00
$ 1,908.00 - $ 1,908.00
$ 1,908.00

Flexfab 5780-150, 1.50" x 3 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 38mm

Product Details The Flexfab 5780-150 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardening,...

View full details
$ 2,385.00
$ 2,385.00 - $ 2,385.00
$ 2,385.00
$ 1,908.00
$ 1,908.00 - $ 1,908.00
$ 1,908.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant Save 20% Save %
$ 8,802.00
$ 8,802.00 - $ 8,802.00
$ 8,802.00
$ 7,042.00
$ 7,042.00 - $ 7,042.00
$ 7,042.00

Flexfab 5780-138X12, 1.38" x 12 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 35mm

Product Details The Flexfab 5780-138X12 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardeni...

View full details
$ 8,802.00
$ 8,802.00 - $ 8,802.00
$ 8,802.00
$ 7,042.00
$ 7,042.00 - $ 7,042.00
$ 7,042.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,201.00
$ 2,201.00 - $ 2,201.00
$ 2,201.00
$ 1,760.00
$ 1,760.00 - $ 1,760.00
$ 1,760.00

Flexfab 5780-138, 1.38" x 3 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 35mm

Product Details The Flexfab 5780-138 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardening,...

View full details
$ 2,201.00
$ 2,201.00 - $ 2,201.00
$ 2,201.00
$ 1,760.00
$ 1,760.00 - $ 1,760.00
$ 1,760.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 7,705.00
$ 7,705.00 - $ 7,705.00
$ 7,705.00
$ 6,164.00
$ 6,164.00 - $ 6,164.00
$ 6,164.00

Flexfab 5780-125X12, 1.25" x 12 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 32mm

Product Details The Flexfab 5780-125X12 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardeni...

View full details
$ 7,705.00
$ 7,705.00 - $ 7,705.00
$ 7,705.00
$ 6,164.00
$ 6,164.00 - $ 6,164.00
$ 6,164.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 1,927.00
$ 1,927.00 - $ 1,927.00
$ 1,927.00
$ 1,542.00
$ 1,542.00 - $ 1,542.00
$ 1,542.00

Flexfab 5780-125, 1.25" x 3 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 32mm

Product Details The Flexfab 5780-125 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardening,...

View full details
$ 1,927.00
$ 1,927.00 - $ 1,927.00
$ 1,927.00
$ 1,542.00
$ 1,542.00 - $ 1,542.00
$ 1,542.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 1,798.00
$ 1,798.00 - $ 1,798.00
$ 1,798.00
$ 1,438.00
$ 1,438.00 - $ 1,438.00
$ 1,438.00

Flexfab 5780-112, 1.13" x 3 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 29mm

Product Details The Flexfab 5780-112 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardening,...

View full details
$ 1,798.00
$ 1,798.00 - $ 1,798.00
$ 1,798.00
$ 1,438.00
$ 1,438.00 - $ 1,438.00
$ 1,438.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 6,775.00
$ 6,775.00 - $ 6,775.00
$ 6,775.00
$ 5,420.00
$ 5,420.00 - $ 5,420.00
$ 5,420.00

Flexfab 5780-100X12, 1.00" x 12 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 25mm

Product Details The Flexfab 5780-100X12 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardeni...

View full details
$ 6,775.00
$ 6,775.00 - $ 6,775.00
$ 6,775.00
$ 5,420.00
$ 5,420.00 - $ 5,420.00
$ 5,420.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 1,695.00
$ 1,695.00 - $ 1,695.00
$ 1,695.00
$ 1,356.00
$ 1,356.00 - $ 1,356.00
$ 1,356.00

Flexfab 5780-100, 1.00" x 3 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 25mm

Product Details The Flexfab 5780-100 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardening,...

View full details
$ 1,695.00
$ 1,695.00 - $ 1,695.00
$ 1,695.00
$ 1,356.00
$ 1,356.00 - $ 1,356.00
$ 1,356.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 6,322.00
$ 6,322.00 - $ 6,322.00
$ 6,322.00
$ 5,058.00
$ 5,058.00 - $ 5,058.00
$ 5,058.00

Flexfab 5780-087X12, 0.88" x 12 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 22mm

Product Details The Flexfab 5780-087X12 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardeni...

View full details
$ 6,322.00
$ 6,322.00 - $ 6,322.00
$ 6,322.00
$ 5,058.00
$ 5,058.00 - $ 5,058.00
$ 5,058.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 6,090.00
$ 6,090.00 - $ 6,090.00
$ 6,090.00
$ 4,872.00
$ 4,872.00 - $ 4,872.00
$ 4,872.00

Flexfab 5780-075X12, 0.75" x 12 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 19mm

Product Details The Flexfab 5780-075X12 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardeni...

View full details
$ 6,090.00
$ 6,090.00 - $ 6,090.00
$ 6,090.00
$ 4,872.00
$ 4,872.00 - $ 4,872.00
$ 4,872.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 1,523.00
$ 1,523.00 - $ 1,523.00
$ 1,523.00
$ 1,218.00
$ 1,218.00 - $ 1,218.00
$ 1,218.00

Flexfab 5780-075, 0.75" x 3 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 19mm

Product Details The Flexfab 5780-075 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardening,...

View full details
$ 1,523.00
$ 1,523.00 - $ 1,523.00
$ 1,523.00
$ 1,218.00
$ 1,218.00 - $ 1,218.00
$ 1,218.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 5,690.00
$ 5,690.00 - $ 5,690.00
$ 5,690.00
$ 4,552.00
$ 4,552.00 - $ 4,552.00
$ 4,552.00

Flexfab 5780-062X12, 0.63" x 12 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 16mm

Product Details The Flexfab 5780-062X12 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardeni...

View full details
$ 5,690.00
$ 5,690.00 - $ 5,690.00
$ 5,690.00
$ 4,552.00
$ 4,552.00 - $ 4,552.00
$ 4,552.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 1,423.00
$ 1,423.00 - $ 1,423.00
$ 1,423.00
$ 1,139.00
$ 1,139.00 - $ 1,139.00
$ 1,139.00

Flexfab 5780-062, 0.63" x 3 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 16mm

Product Details The Flexfab 5780-062 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardening,...

View full details
$ 1,423.00
$ 1,423.00 - $ 1,423.00
$ 1,423.00
$ 1,139.00
$ 1,139.00 - $ 1,139.00
$ 1,139.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 5,444.00
$ 5,444.00 - $ 5,444.00
$ 5,444.00
$ 4,355.00
$ 4,355.00 - $ 4,355.00
$ 4,355.00

Flexfab 5780-050X12, 0.50" x 12 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 13mm

Product Details The Flexfab 5780-050X12 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardeni...

View full details
$ 5,444.00
$ 5,444.00 - $ 5,444.00
$ 5,444.00
$ 4,355.00
$ 4,355.00 - $ 4,355.00
$ 4,355.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 1,361.00
$ 1,361.00 - $ 1,361.00
$ 1,361.00
$ 1,089.00
$ 1,089.00 - $ 1,089.00
$ 1,089.00

Flexfab 5780-050, 0.50" x 3 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 13mm

Product Details The Flexfab 5780-050 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardening,...

View full details
$ 1,361.00
$ 1,361.00 - $ 1,361.00
$ 1,361.00
$ 1,089.00
$ 1,089.00 - $ 1,089.00
$ 1,089.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 2,787.00
$ 2,787.00 - $ 2,787.00
$ 2,787.00
$ 2,229.00
$ 2,229.00 - $ 2,229.00
$ 2,229.00

Flexfab 5780-038X12, 0.38" x 12 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 10mm

Product Details The Flexfab 5780-038X12 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardeni...

View full details
$ 2,787.00
$ 2,787.00 - $ 2,787.00
$ 2,787.00
$ 2,229.00
$ 2,229.00 - $ 2,229.00
$ 2,229.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 1,204.00
$ 1,204.00 - $ 1,204.00
$ 1,204.00
$ 963.00
$ 963.00 - $ 963.00
$ 963.00

Flexfab 5780-038, 0.38" x 3 ft, High Temp Red Silicone Meta-Aramid Coolant Hose, 10mm

Product Details The Flexfab 5780-038 is a red silicone + meta-aramid 4-ply hose engineered for demanding engine environments. It resists hardening,...

View full details
$ 1,204.00
$ 1,204.00 - $ 1,204.00
$ 1,204.00
$ 963.00
$ 963.00 - $ 963.00
$ 963.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 5,664.00
$ 5,664.00 - $ 5,664.00
$ 5,664.00
$ 4,531.00
$ 4,531.00 - $ 4,531.00
$ 4,531.00

Flexfab 5508-600, 6.00" x 3 ft, Wire Reinforced Silicone Coolant Hose, 152mm

Product Details The Flexfab 5508-600 is a green silicone, 2-ply polyester + helical wire hose engineered for demanding engine environments. It resi...

View full details
$ 5,664.00
$ 5,664.00 - $ 5,664.00
$ 5,664.00
$ 4,531.00
$ 4,531.00 - $ 4,531.00
$ 4,531.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 16,927.00
$ 16,927.00 - $ 16,927.00
$ 16,927.00
$ 13,541.00
$ 13,541.00 - $ 13,541.00
$ 13,541.00

Flexfab 5508-400X12, 4.00" x 12 ft, Wire Reinforced Silicone Coolant Hose, 102mm

Product Details The Flexfab 5508-400X12 is a green silicone, 2-ply polyester + helical wire hose engineered for demanding engine environments. It r...

View full details
$ 16,927.00
$ 16,927.00 - $ 16,927.00
$ 16,927.00
$ 13,541.00
$ 13,541.00 - $ 13,541.00
$ 13,541.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 4,231.00
$ 4,231.00 - $ 4,231.00
$ 4,231.00
$ 3,386.00
$ 3,386.00 - $ 3,386.00
$ 3,386.00

Flexfab 5508-400, 4.00" x 3 ft, Wire Reinforced Silicone Coolant Hose, 102mm

Product Details The Flexfab 5508-400 is a green silicone, 2-ply polyester + helical wire hose engineered for demanding engine environments. It resi...

View full details
$ 4,231.00
$ 4,231.00 - $ 4,231.00
$ 4,231.00
$ 3,386.00
$ 3,386.00 - $ 3,386.00
$ 3,386.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 14,660.00
$ 14,660.00 - $ 14,660.00
$ 14,660.00
$ 11,728.00
$ 11,728.00 - $ 11,728.00
$ 11,728.00

Flexfab 5508-350X12, 3.50" x 12 ft, Wire Reinforced Silicone Coolant Hose, 89mm

Product Details The Flexfab 5508-350X12 is a green silicone, 2-ply polyester + helical wire hose engineered for demanding engine environments. It r...

View full details
$ 14,660.00
$ 14,660.00 - $ 14,660.00
$ 14,660.00
$ 11,728.00
$ 11,728.00 - $ 11,728.00
$ 11,728.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 3,665.00
$ 3,665.00 - $ 3,665.00
$ 3,665.00
$ 2,933.00
$ 2,933.00 - $ 2,933.00
$ 2,933.00

Flexfab 5508-350, 3.50" x 3 ft, Wire Reinforced Silicone Coolant Hose, 89mm

Product Details The Flexfab 5508-350 is a green silicone, 2-ply polyester + helical wire hose engineered for demanding engine environments. It resi...

View full details
$ 3,665.00
$ 3,665.00 - $ 3,665.00
$ 3,665.00
$ 2,933.00
$ 2,933.00 - $ 2,933.00
$ 2,933.00
Save 20% Save %

Request a Quote

Bulk and dealer pricing. Tell us what you need and we’ll reply within one business day.