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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.

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    Flexfab 5500-500, 5.00" X 3 ft, 3-Ply Green Silicone Coolant Hose, 127mm

    In stock

    FlexFab Series: 5500 Part Number: 5500-500 Inside Diameter (ID): 5.00" (127mm) Outside Diameter (OD): 5.32" (135mm) Hose Length: 3 feet Wall Thic...

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    Flexfab 5500-450, 4.50" X 3 ft, 3-Ply Green Silicone Coolant Hose, 114mm

    In stock

    FlexFab Series: 5500 Part Number: 5500-450 Inside Diameter (ID): 4.50" (114mm) Outside Diameter (OD): 4.82" (122mm) Hose Length: 3 feet Wall Thic...

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    Flexfab 5500-300, 3.00" X 3 ft, 3-Ply Green Silicone Coolant Hose, 76mm

    In stock

    FlexFab Series: 5500 Part Number: 5500-300 Inside Diameter (ID): 3.00" (76mm) Outside Diameter (OD): 3.32" (84mm) Hose Length: 3 feet Wall Thickn...

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    Flexfab 5500-238, 2.38" X 3 ft, 3-Ply Green Silicone Coolant Hose, 60mm

    In stock

    FlexFab Series: 5500 Part Number: 5500-238 Inside Diameter (ID): 2.38" (60mm) Outside Diameter (OD): 2.70" (69mm) Hose Length: 3 feet Wall Thickn...

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    Flexfab 5500-087, 0.88" X 3 ft, 3-Ply Green Silicone Coolant Hose, 22mm

    In stock

    FlexFab Series: 5500 Part Number: 5500-087 Suggested Clamp: FLX2582-0012 Inside Diameter (ID): 0.88" (22mm) Outside Diameter (OD): 1.20" (30mm)...

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    Flexfab 5500-075, 0.75" X 3 ft, 3-Ply Green Silicone Coolant Hose, 19mm

    In stock

    FlexFab Series: 5500 Part Number: 5500-075 Suggested Clamp: FLX2582-0012 Inside Diameter (ID): 0.75" (19mm) Outside Diameter (OD): 1.07" (27mm)...

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    Flexfab 5515-550, 5.50" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 140mm

    In stock

    FlexFab Series: 5515 Part Number: 5515-550 Inside Diameter (ID): 5.50" (140mm) Outside Diameter (OD): 5.82" (148mm) Hose Length: 3 feet Wall Thic...

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    Flexfab 5515-212, 2.13" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 54mm

    In stock

    FlexFab Series: 5515 Part Number: 5515-212 Inside Diameter (ID): 2.13" (54mm) Outside Diameter (OD): 2.45" (62mm) Hose Length: 3 feet Wall Thickn...

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    Flexfab 5521-125, 1-1/4" x 1 ft (Choose your length) Green Premium Silicone Heater Hose, 1.25"

    In stock

      FlexFab Series: 5521 Part Number: 5521-125 Inside Diameter (ID): 1.25" (32mm) Outside Diameter (OD): 1.64" (42mm) Hose Length: 1' (Choose Your L...

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    Flexfab 5515-050, 0.50" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 13mm

    In stock

    FlexFab Series: 5515 Part Number: 5515-050 Suggested Clamp: FLX2582-0010 Inside Diameter (ID): 0.50" (13mm) Outside Diameter (OD): 0.82" (21mm)...

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    Flexfab 5521-125, 1-1/4" x 50 ft Green Premium Silicone Heater Hose, 1.25"

    In stock

    FlexFab Series: 5521 Part Number: 5521-125 Inside Diameter (ID): 1.25" (32mm) Outside Diameter (OD): 1.64" (42mm) Hose Length: 50' Bend Radious: ...

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    Flexfab 5521-100, 1" x 25 ft Green Premium Silicone Heater Hose, 1.00"

    In stock

    FlexFab Series: 5521 Part Number: 5521-100 Inside Diameter (ID): 1.00" (25mm) Outside Diameter (OD): 1.39" (35mm) Hose Length: 25' Bend Radious: ...

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    Flexfab 5521-038, 3/8" x 50 ft Green Premium Silicone Heater Hose, .38"

    In stock

    FlexFab Series: 5521 Part Number: 5521-038 Suggested Clamp: FLX2582-0006 Inside Diameter (ID): 0.38" (10mm) Outside Diameter (OD): 0.77" (20mm)...

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    Flexfab 5521-031, 5/16" x 25 ft Green Premium Silicone Heater Hose, .31"

    In stock

    FlexFab Series: 5521 Part Number: 5521-031 Inside Diameter (ID): 0.31" (8mm) Outside Diameter (OD): 0.70" (18mm) Hose Length: 25' Bend Radious: 5...

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    Flexfab 5526-087, 7/8" x 200 ft Blue Silicone Heater Hose, .88" (Reel)

    In stock

    FlexFab Series: 5526 Part Number: 5526-087 Suggested Clamp: FLX2582-0012 Inside Diameter (ID): 0.88" (22mm) Outside Diameter (OD): 1.21" (31mm) H...

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    Flexfab 5526-038, 3/8" x 600 ft Blue Silicone Heater Hose, .38" (Reel)

    In stock

    FlexFab Series: 5526 Part Number: 5526-038 Suggested Clamp: FLX2582-0006 Inside Diameter (ID): 0.38" (10mm) Outside Diameter (OD): 0.71" (18mm) H...

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  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    Flexfab 5500-600, 6.00" x 3 ft, 3-Ply Green Silicone Coolant Hose, 152mm

    In stock

    A versatile heavy-duty coolant hose for diesel, automotive, marine, agricultural, and industrial cooling systems, the Flexfab 5500-600 is a 3-ply g...

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    $ 3,976.00
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    $ 3,182.00
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  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 3,439.00
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    $ 2,752.00
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    Flexfab 5500-500, 5.00" x 3 ft, 3-Ply Green Silicone Coolant Hose, 127mm

    In stock

    A versatile heavy-duty coolant hose for diesel, automotive, marine, agricultural, and industrial cooling systems, the Flexfab 5500-500 is a 3-ply g...

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    $ 3,439.00
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    $ 3,439.00
    $ 2,752.00
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    $ 2,752.00
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  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 3,213.00
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    $ 3,213.00
    $ 2,570.00
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    $ 2,570.00

    Flexfab 5500-450, 4.50" x 3 ft, 3-Ply Green Silicone Coolant Hose, 114mm

    In stock

    A versatile heavy-duty coolant hose for diesel, automotive, marine, agricultural, and industrial cooling systems, the Flexfab 5500-450 is a 3-ply g...

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    $ 3,213.00
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    $ 3,213.00
    $ 2,570.00
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    $ 2,570.00
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  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 3,103.00
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    $ 2,483.00
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    Flexfab 5500-400, 4.00" x 3 ft, 3-Ply Green Silicone Coolant Hose, 102mm

    In stock

    A versatile heavy-duty coolant hose for diesel, automotive, marine, agricultural, and industrial cooling systems, the Flexfab 5500-400 is a 3-ply g...

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    $ 3,103.00
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    $ 3,103.00
    $ 2,483.00
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  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 2,645.00
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    $ 2,645.00
    $ 2,116.00
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    $ 2,116.00

    Flexfab 5500-375, 3.75" x 3 ft, 3-Ply Green Silicone Coolant Hose, 95mm

    In stock

    A versatile heavy-duty coolant hose for diesel, automotive, marine, agricultural, and industrial cooling systems, the Flexfab 5500-375 is a 3-ply g...

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    $ 2,645.00
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    $ 2,116.00
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  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 2,645.00
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    $ 2,645.00
    $ 2,116.00
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    $ 2,116.00

    Flexfab 5500-350, 3.50" x 3 ft, 3-Ply Green Silicone Coolant Hose, 89mm

    In stock

    A versatile heavy-duty coolant hose for diesel, automotive, marine, agricultural, and industrial cooling systems, the Flexfab 5500-350 is a 3-ply g...

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    $ 2,645.00
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    $ 2,116.00
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  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 2,558.00
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    $ 2,046.00
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    $ 2,046.00

    Flexfab 5500-338, 3.38" x 3 ft, 3-Ply Green Silicone Coolant Hose, 86mm

    In stock

    A versatile heavy-duty coolant hose for diesel, automotive, marine, agricultural, and industrial cooling systems, the Flexfab 5500-338 is a 3-ply g...

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    $ 2,558.00
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    $ 2,046.00
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  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
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    $ 2,404.00
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    $ 2,404.00
    $ 1,923.00
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    $ 1,923.00

    Flexfab 5500-325, 3.25" x 3 ft, 3-Ply Green Silicone Coolant Hose, 83mm

    In stock

    A versatile heavy-duty coolant hose for diesel, automotive, marine, agricultural, and industrial cooling systems, the Flexfab 5500-325 is a 3-ply g...

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    $ 2,404.00
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    $ 1,923.00
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