Skip to content

Flexfab

Flexfab is the standard in silicone hose for the systems that punish ordinary rubber. From blue and green silicone heater and coolant hose to turbo sleeves, charge air connectors, reducers, elbows, and stainless clamps, Flexfab products are engineered for the heat, pressure, and vibration of diesel, marine, transit, and heavy-duty applications. Built in the USA. Shop the full Flexfab range below by hose series, type, size, or color.

  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €1.543,95 - €1.543,95
    €1.543,95
    €1.543,95 - €1.543,95
    €1.543,95

    Flexfab 5934-112x150, 1-1/8" ID x 150 ft Spool Premium Blue Silicone Heater Hose, 29mm 350F Radiator Coolant

    In stock

    Get premium heater-hose performance in a larger 1-1/8" bore with the Flexfab 5934-112x150 silicone heater hose — a 150-foot spool engineered for hi...

    View full details
    €1.543,95 - €1.543,95
    €1.543,95
    €1.543,95 - €1.543,95
    €1.543,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €520,95 - €520,95
    €520,95
    €520,95 - €520,95
    €520,95

    Flexfab 5934-112x50, 1-1/8" ID x 50 ft Box Premium Blue Silicone Heater Hose, 29mm 350F Radiator Coolant

    In stock

    Get premium heater-hose performance in a larger 1-1/8" bore with the Flexfab 5934-112x50 silicone heater hose — a 50-foot box engineered for higher...

    View full details
    €520,95 - €520,95
    €520,95
    €520,95 - €520,95
    €520,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €269,95 - €269,95
    €269,95
    €269,95 - €269,95
    €269,95

    Flexfab 5934-112x25, 1-1/8" ID x 25 ft Box Premium Blue Silicone Heater Hose, 29mm 350F Radiator Coolant

    In stock

    Get premium heater-hose performance in a larger 1-1/8" bore with the Flexfab 5934-112x25 silicone heater hose — a 25-foot box engineered for higher...

    View full details
    €269,95 - €269,95
    €269,95
    €269,95 - €269,95
    €269,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €1.773,95 - €1.773,95
    €1.773,95
    €1.773,95 - €1.773,95
    €1.773,95

    Flexfab 5521-125x150, 1-1/4" ID x 150 ft Spool Premium Green Silicone Heater Hose, 32mm 350F Radiator Coolant

    In stock

    Step up to higher pressure handling with the Flexfab 5521-125x150 premium silicone heater hose — a 150-foot spool of 1-1/4" ID hose with a thicker ...

    View full details
    €1.773,95 - €1.773,95
    €1.773,95
    €1.773,95 - €1.773,95
    €1.773,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €599,95 - €599,95
    €599,95
    €599,95 - €599,95
    €599,95

    Flexfab 5521-125x50, 1-1/4" ID x 50 ft Box Premium Green Silicone Heater Hose, 32mm 350F Radiator Coolant

    In stock

    Step up to higher pressure handling with the Flexfab 5521-125x50 premium silicone heater hose — a 50-foot box of 1-1/4" ID hose with a thicker wall...

    View full details
    €599,95 - €599,95
    €599,95
    €599,95 - €599,95
    €599,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €307,95 - €307,95
    €307,95
    €307,95 - €307,95
    €307,95

    Flexfab 5521-125x25, 1-1/4" ID x 25 ft Box Premium Green Silicone Heater Hose, 32mm 350F Radiator Coolant

    In stock

    Step up to higher pressure handling with the Flexfab 5521-125x25 premium silicone heater hose — a 25-foot box of 1-1/4" ID hose with a thicker wall...

    View full details
    €307,95 - €307,95
    €307,95
    €307,95 - €307,95
    €307,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €1.852,95 - €1.852,95
    €1.852,95
    €1.852,95 - €1.852,95
    €1.852,95

    Flexfab 5521-100x200, 1" ID x 200 ft Spool Premium Green Silicone Heater Hose, 25mm 350F Radiator Coolant

    In stock

    Step up to higher pressure handling with the Flexfab 5521-100x200 premium silicone heater hose — a 200-foot spool of 1" ID hose with a thicker wall...

    View full details
    €1.852,95 - €1.852,95
    €1.852,95
    €1.852,95 - €1.852,95
    €1.852,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €472,95 - €472,95
    €472,95
    €472,95 - €472,95
    €472,95

    Flexfab 5521-100x50, 1" ID x 50 ft Box Premium Green Silicone Heater Hose, 25mm 350F Radiator Coolant

    In stock

    Step up to higher pressure handling with the Flexfab 5521-100x50 premium silicone heater hose — a 50-foot box of 1" ID hose with a thicker wall tha...

    View full details
    €472,95 - €472,95
    €472,95
    €472,95 - €472,95
    €472,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €248,95 - €248,95
    €248,95
    €248,95 - €248,95
    €248,95

    Flexfab 5521-100x25, 1" ID x 25 ft Box Premium Green Silicone Heater Hose, 25mm 350F Radiator Coolant

    In stock

    Step up to higher pressure handling with the Flexfab 5521-100x25 premium silicone heater hose — a 25-foot box of 1" ID hose with a thicker wall tha...

    View full details
    €248,95 - €248,95
    €248,95
    €248,95 - €248,95
    €248,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €1.367,95 - €1.367,95
    €1.367,95
    €1.367,95 - €1.367,95
    €1.367,95

    Flexfab 5521-087x150, 7/8" ID x 150 ft Spool Premium Green Silicone Heater Hose, 22mm 350F Radiator Coolant

    In stock

    Step up to higher pressure handling with the Flexfab 5521-087x150 premium silicone heater hose — a 150-foot spool of 7/8" ID hose with a thicker wa...

    View full details
    €1.367,95 - €1.367,95
    €1.367,95
    €1.367,95 - €1.367,95
    €1.367,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €355,95 - €355,95
    €355,95
    €355,95 - €355,95
    €355,95

    Flexfab 5521-087x50, 7/8" ID x 50 ft Box Premium Green Silicone Heater Hose, 22mm 350F Radiator Coolant

    In stock

    Step up to higher pressure handling with the Flexfab 5521-087x50 premium silicone heater hose — a 50-foot box of 7/8" ID hose with a thicker wall t...

    View full details
    €355,95 - €355,95
    €355,95
    €355,95 - €355,95
    €355,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €192,95 - €192,95
    €192,95
    €192,95 - €192,95
    €192,95

    Flexfab 5521-087x25, 7/8" ID x 25 ft Box Premium Green Silicone Heater Hose, 22mm 350F Radiator Coolant

    In stock

    Step up to higher pressure handling with the Flexfab 5521-087x25 premium silicone heater hose — a 25-foot box of 7/8" ID hose with a thicker wall t...

    View full details
    €192,95 - €192,95
    €192,95
    €192,95 - €192,95
    €192,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €1.852,95 - €1.852,95
    €1.852,95
    €1.852,95 - €1.852,95
    €1.852,95

    Flexfab 5521-075x300, 3/4" ID x 300 ft Spool Premium Green Silicone Heater Hose, 19mm 350F Radiator Coolant

    In stock

    Step up to higher pressure handling with the Flexfab 5521-075x300 premium silicone heater hose — a 300-foot spool of 3/4" ID hose with a thicker wa...

    View full details
    €1.852,95 - €1.852,95
    €1.852,95
    €1.852,95 - €1.852,95
    €1.852,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €335,95 - €335,95
    €335,95
    €335,95 - €335,95
    €335,95

    Flexfab 5521-075x50, 3/4" ID x 50 ft Box Premium Green Silicone Heater Hose, 19mm 350F Radiator Coolant

    In stock

    Step up to higher pressure handling with the Flexfab 5521-075x50 premium silicone heater hose — a 50-foot box of 3/4" ID hose with a thicker wall t...

    View full details
    €335,95 - €335,95
    €335,95
    €335,95 - €335,95
    €335,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €183,95 - €183,95
    €183,95
    €183,95 - €183,95
    €183,95

    Flexfab 5521-075x25, 3/4" ID x 25 ft Box Premium Green Silicone Heater Hose, 19mm 350F Radiator Coolant

    In stock

    Step up to higher pressure handling with the Flexfab 5521-075x25 premium silicone heater hose — a 25-foot box of 3/4" ID hose with a thicker wall t...

    View full details
    €183,95 - €183,95
    €183,95
    €183,95 - €183,95
    €183,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €2.029,95 - €2.029,95
    €2.029,95
    €2.029,95 - €2.029,95
    €2.029,95

    Flexfab 5521-062x400, 5/8" ID x 400 ft Spool Premium Green Silicone Heater Hose, 16mm 350F Radiator Coolant

    In stock

    Step up to higher pressure handling with the Flexfab 5521-062x400 premium silicone heater hose — a 400-foot spool of 5/8" ID hose with a thicker wa...

    View full details
    €2.029,95 - €2.029,95
    €2.029,95
    €2.029,95 - €2.029,95
    €2.029,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €254,95 - €254,95
    €254,95
    €254,95 - €254,95
    €254,95

    Flexfab 5521-062x50, 5/8" ID x 50 ft Box Premium Green Silicone Heater Hose, 16mm 350F Radiator Coolant

    In stock

    Step up to higher pressure handling with the Flexfab 5521-062x50 premium silicone heater hose — a 50-foot box of 5/8" ID hose with a thicker wall t...

    View full details
    €254,95 - €254,95
    €254,95
    €254,95 - €254,95
    €254,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €138,95 - €138,95
    €138,95
    €138,95 - €138,95
    €138,95

    Flexfab 5521-062x25, 5/8" ID x 25 ft Box Premium Green Silicone Heater Hose, 16mm 350F Radiator Coolant

    In stock

    Step up to higher pressure handling with the Flexfab 5521-062x25 premium silicone heater hose — a 25-foot box of 5/8" ID hose with a thicker wall t...

    View full details
    €138,95 - €138,95
    €138,95
    €138,95 - €138,95
    €138,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €2.205,95 - €2.205,95
    €2.205,95
    €2.205,95 - €2.205,95
    €2.205,95

    Flexfab 5521-050x500, 1/2" ID x 500 ft Spool Premium Green Silicone Heater Hose, 13mm 350F Radiator Coolant

    In stock

    Step up to higher pressure handling with the Flexfab 5521-050x500 premium silicone heater hose — a 500-foot spool of 1/2" ID hose with a thicker wa...

    View full details
    €2.205,95 - €2.205,95
    €2.205,95
    €2.205,95 - €2.205,95
    €2.205,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €219,95 - €219,95
    €219,95
    €219,95 - €219,95
    €219,95

    Flexfab 5521-050x50, 1/2" ID x 50 ft Box Premium Green Silicone Heater Hose, 13mm 350F Radiator Coolant

    In stock

    Step up to higher pressure handling with the Flexfab 5521-050x50 premium silicone heater hose — a 50-foot box of 1/2" ID hose with a thicker wall t...

    View full details
    €219,95 - €219,95
    €219,95
    €219,95 - €219,95
    €219,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €121,95 - €121,95
    €121,95
    €121,95 - €121,95
    €121,95

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

    In stock

    Step up to higher pressure handling with the Flexfab 5521-050x25 premium silicone heater hose — a 25-foot box of 1/2" ID hose with a thicker wall t...

    View full details
    €121,95 - €121,95
    €121,95
    €121,95 - €121,95
    €121,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €1.918,95 - €1.918,95
    €1.918,95
    €1.918,95 - €1.918,95
    €1.918,95

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

    In stock

    Step up to higher pressure handling with the Flexfab 5521-038x500 premium silicone heater hose — a 500-foot spool of 3/8" ID hose with a thicker wa...

    View full details
    €1.918,95 - €1.918,95
    €1.918,95
    €1.918,95 - €1.918,95
    €1.918,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €197,95 - €197,95
    €197,95
    €197,95 - €197,95
    €197,95

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

    In stock

    Step up to higher pressure handling with the Flexfab 5521-038x50 premium silicone heater hose — a 50-foot box of 3/8" ID hose with a thicker wall t...

    View full details
    €197,95 - €197,95
    €197,95
    €197,95 - €197,95
    €197,95
  • Flexfab KIT5003D heater hose repair kit hose and clamp kit
    €110,95 - €110,95
    €110,95
    €110,95 - €110,95
    €110,95

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

    In stock

    Step up to higher pressure handling with the Flexfab 5521-038x25 premium silicone heater hose — a 25-foot box of 3/8" ID hose with a thicker wall t...

    View full details
    €110,95 - €110,95
    €110,95
    €110,95 - €110,95
    €110,95