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.
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Original price $ 3,437.49Original price $ 3,437.49 - Original price $ 3,437.49Original price $ 3,437.49Current price $ 2,749.99$ 2,749.99 - $ 2,749.99Current price $ 2,749.99
Flexfab 5521-031x600, 5/16" ID x 600 ft Spool Premium Green Silicone Heater Hose, 8mm 350F Radiator Coolant
In stockStep up to higher pressure handling with the Flexfab 5521-031x600 premium silicone heater hose — a 600-foot spool of 5/16" ID hose with a thicker w...
View full detailsOriginal price $ 3,437.49Original price $ 3,437.49 - Original price $ 3,437.49Original price $ 3,437.49Current price $ 2,749.99$ 2,749.99 - $ 2,749.99Current price $ 2,749.99Save 20% -
Original price $ 156.29Original price $ 156.29 - Original price $ 156.29Original price $ 156.29Current price $ 124.99$ 124.99 - $ 124.99Current price $ 124.99
Flexfab 5521-031x25, 5/16" ID x 25 ft Box Premium Green Silicone Heater Hose, 8mm 350F Radiator Coolant
In stockStep up to higher pressure handling with the Flexfab 5521-031x25 premium silicone heater hose — a 25-foot box of 5/16" ID hose with a thicker wall ...
View full detailsOriginal price $ 156.29Original price $ 156.29 - Original price $ 156.29Original price $ 156.29Current price $ 124.99$ 124.99 - $ 124.99Current price $ 124.99Save 20% -
Original price $ 3,374.99Original price $ 3,374.99 - Original price $ 3,374.99Original price $ 3,374.99Current price $ 2,699.99$ 2,699.99 - $ 2,699.99Current price $ 2,699.99
Flexfab 5521-025x800, 1/4" ID x 800 ft Spool Premium Green Silicone Heater Hose, 6mm 350F Radiator Coolant
In stockStep up to higher pressure handling with the Flexfab 5521-025x800 premium silicone heater hose — a 800-foot spool of 1/4" ID hose with a thicker wa...
View full detailsOriginal price $ 3,374.99Original price $ 3,374.99 - Original price $ 3,374.99Original price $ 3,374.99Current price $ 2,699.99$ 2,699.99 - $ 2,699.99Current price $ 2,699.99Save 20% -
Original price $ 249.99Original price $ 249.99 - Original price $ 249.99Original price $ 249.99Current price $ 199.99$ 199.99 - $ 199.99Current price $ 199.99
Flexfab 5521-025x50, 1/4" ID x 50 ft Box Premium Green Silicone Heater Hose, 6mm 350F Radiator Coolant
In stockStep up to higher pressure handling with the Flexfab 5521-025x50 premium silicone heater hose — a 50-foot box of 1/4" ID hose with a thicker wall t...
View full detailsOriginal price $ 249.99Original price $ 249.99 - Original price $ 249.99Original price $ 249.99Current price $ 199.99$ 199.99 - $ 199.99Current price $ 199.99Save 20% -
Original price $ 128.79Original price $ 128.79 - Original price $ 128.79Original price $ 128.79Current price $ 102.99$ 102.99 - $ 102.99Current price $ 102.99
Flexfab 5521-025x25, 1/4" ID x 25 ft Box Premium Green Silicone Heater Hose, 6mm 350F Radiator Coolant
In stockStep up to higher pressure handling with the Flexfab 5521-025x25 premium silicone heater hose — a 25-foot box of 1/4" ID hose with a thicker wall t...
View full detailsOriginal price $ 128.79Original price $ 128.79 - Original price $ 128.79Original price $ 128.79Current price $ 102.99$ 102.99 - $ 102.99Current price $ 102.99Save 20% -
Original price $ 1,481.29Original price $ 1,481.29 - Original price $ 1,481.29Original price $ 1,481.29Current price $ 1,184.99$ 1,184.99 - $ 1,184.99Current price $ 1,184.99
Flexfab 5526-125x150, 1-1/4" ID x 150 ft Spool Blue Silicone Heater Hose, 32mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-125x150 standard silicone heater hose — a 150-foot spool of 1-1/4" ID hose engineered f...
View full detailsOriginal price $ 1,481.29Original price $ 1,481.29 - Original price $ 1,481.29Original price $ 1,481.29Current price $ 1,184.99$ 1,184.99 - $ 1,184.99Current price $ 1,184.99Save 20% -
Original price $ 546.89Original price $ 546.89 - Original price $ 546.89Original price $ 546.89Current price $ 437.49$ 437.49 - $ 437.49Current price $ 437.49
Flexfab 5526-125x50, 1-1/4" ID x 50 ft Box Blue Silicone Heater Hose, 32mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-125x50 standard silicone heater hose — a 50-foot box of 1-1/4" ID hose engineered for s...
View full detailsOriginal price $ 546.89Original price $ 546.89 - Original price $ 546.89Original price $ 546.89Current price $ 437.49$ 437.49 - $ 437.49Current price $ 437.49Save 20% -
Original price $ 296.09Original price $ 296.09 - Original price $ 296.09Original price $ 296.09Current price $ 236.89$ 236.89 - $ 236.89Current price $ 236.89
Flexfab 5526-125x25, 1-1/4" ID x 25 ft Box Blue Silicone Heater Hose, 32mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-125x25 standard silicone heater hose — a 25-foot box of 1-1/4" ID hose engineered for s...
View full detailsOriginal price $ 296.09Original price $ 296.09 - Original price $ 296.09Original price $ 296.09Current price $ 236.89$ 236.89 - $ 236.89Current price $ 236.89Save 20% -
Original price $ 1,537.49Original price $ 1,537.49 - Original price $ 1,537.49Original price $ 1,537.49Current price $ 1,229.99$ 1,229.99 - $ 1,229.99Current price $ 1,229.99
Flexfab 5526-100x200, 1" ID x 200 ft Spool Blue Silicone Heater Hose, 25mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-100x200 standard silicone heater hose — a 200-foot spool of 1" ID hose engineered for s...
View full detailsOriginal price $ 1,537.49Original price $ 1,537.49 - Original price $ 1,537.49Original price $ 1,537.49Current price $ 1,229.99$ 1,229.99 - $ 1,229.99Current price $ 1,229.99Save 20% -
Original price $ 406.29Original price $ 406.29 - Original price $ 406.29Original price $ 406.29Current price $ 324.99$ 324.99 - $ 324.99Current price $ 324.99
Flexfab 5526-100x50, 1" ID x 50 ft Box Blue Silicone Heater Hose, 25mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-100x50 standard silicone heater hose — a 50-foot box of 1" ID hose engineered for super...
View full detailsOriginal price $ 406.29Original price $ 406.29 - Original price $ 406.29Original price $ 406.29Current price $ 324.99$ 324.99 - $ 324.99Current price $ 324.99Save 20% -
Original price $ 225.79Original price $ 225.79 - Original price $ 225.79Original price $ 225.79Current price $ 180.59$ 180.59 - $ 180.59Current price $ 180.59
Flexfab 5526-100x25, 1" ID x 25 ft Box Blue Silicone Heater Hose, 25mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-100x25 standard silicone heater hose — a 25-foot box of 1" ID hose engineered for super...
View full detailsOriginal price $ 225.79Original price $ 225.79 - Original price $ 225.79Original price $ 225.79Current price $ 180.59$ 180.59 - $ 180.59Current price $ 180.59Save 20% -
Original price $ 1,312.49Original price $ 1,312.49 - Original price $ 1,312.49Original price $ 1,312.49Current price $ 1,049.99$ 1,049.99 - $ 1,049.99Current price $ 1,049.99
Flexfab 5526-087x200, 7/8" ID x 200 ft Spool Blue Silicone Heater Hose, 22mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-087x200 standard silicone heater hose — a 200-foot spool of 7/8" ID hose engineered for...
View full detailsOriginal price $ 1,312.49Original price $ 1,312.49 - Original price $ 1,312.49Original price $ 1,312.49Current price $ 1,049.99$ 1,049.99 - $ 1,049.99Current price $ 1,049.99Save 20% -
Original price $ 342.19Original price $ 342.19 - Original price $ 342.19Original price $ 342.19Current price $ 273.79$ 273.79 - $ 273.79Current price $ 273.79
Flexfab 5526-087x50, 7/8" ID x 50 ft Box Blue Silicone Heater Hose, 22mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-087x50 standard silicone heater hose — a 50-foot box of 7/8" ID hose engineered for sup...
View full detailsOriginal price $ 342.19Original price $ 342.19 - Original price $ 342.19Original price $ 342.19Current price $ 273.79$ 273.79 - $ 273.79Current price $ 273.79Save 20% -
Original price $ 185.19Original price $ 185.19 - Original price $ 185.19Original price $ 185.19Current price $ 148.09$ 148.09 - $ 148.09Current price $ 148.09
Flexfab 5526-087x25, 7/8" ID x 25 ft Box Blue Silicone Heater Hose, 22mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-087x25 standard silicone heater hose — a 25-foot box of 7/8" ID hose engineered for sup...
View full detailsOriginal price $ 185.19Original price $ 185.19 - Original price $ 185.19Original price $ 185.19Current price $ 148.09$ 148.09 - $ 148.09Current price $ 148.09Save 20% -
Original price $ 1,659.39Original price $ 1,659.39 - Original price $ 1,659.39Original price $ 1,659.39Current price $ 1,327.49$ 1,327.49 - $ 1,327.49Current price $ 1,327.49
Flexfab 5526-075x300, 3/4" ID x 300 ft Spool Blue Silicone Heater Hose, 19mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-075x300 standard silicone heater hose — a 300-foot spool of 3/4" ID hose engineered for...
View full detailsOriginal price $ 1,659.39Original price $ 1,659.39 - Original price $ 1,659.39Original price $ 1,659.39Current price $ 1,327.49$ 1,327.49 - $ 1,327.49Current price $ 1,327.49Save 20% -
Original price $ 1,382.79Original price $ 1,382.79 - Original price $ 1,382.79Original price $ 1,382.79Current price $ 1,106.29$ 1,106.29 - $ 1,106.29Current price $ 1,106.29
Flexfab 5526-075x250, 3/4" ID x 250 ft Spool Blue Silicone Heater Hose, 19mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-075x250 standard silicone heater hose — a 250-foot spool of 3/4" ID hose engineered for...
View full detailsOriginal price $ 1,382.79Original price $ 1,382.79 - Original price $ 1,382.79Original price $ 1,382.79Current price $ 1,106.29$ 1,106.29 - $ 1,106.29Current price $ 1,106.29Save 20% -
Original price $ 290.59Original price $ 290.59 - Original price $ 290.59Original price $ 290.59Current price $ 232.49$ 232.49 - $ 232.49Current price $ 232.49
Flexfab 5526-075x50, 3/4" ID x 50 ft Box Blue Silicone Heater Hose, 19mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-075x50 standard silicone heater hose — a 50-foot box of 3/4" ID hose engineered for sup...
View full detailsOriginal price $ 290.59Original price $ 290.59 - Original price $ 290.59Original price $ 290.59Current price $ 232.49$ 232.49 - $ 232.49Current price $ 232.49Save 20% -
Original price $ 155.49Original price $ 155.49 - Original price $ 155.49Original price $ 155.49Current price $ 124.39$ 124.39 - $ 124.39Current price $ 124.39
Flexfab 5526-075x25, 3/4" ID x 25 ft Box Blue Silicone Heater Hose, 19mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-075x25 standard silicone heater hose — a 25-foot box of 3/4" ID hose engineered for sup...
View full detailsOriginal price $ 155.49Original price $ 155.49 - Original price $ 155.49Original price $ 155.49Current price $ 124.39$ 124.39 - $ 124.39Current price $ 124.39Save 20% -
Original price $ 2,049.99Original price $ 2,049.99 - Original price $ 2,049.99Original price $ 2,049.99Current price $ 1,639.99$ 1,639.99 - $ 1,639.99Current price $ 1,639.99
Flexfab 5526-062x400, 5/8" ID x 400 ft Spool Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-062x400 standard silicone heater hose — a 400-foot spool of 5/8" ID hose engineered for...
View full detailsOriginal price $ 2,049.99Original price $ 2,049.99 - Original price $ 2,049.99Original price $ 2,049.99Current price $ 1,639.99$ 1,639.99 - $ 1,639.99Current price $ 1,639.99Save 20% -
Original price $ 1,281.29Original price $ 1,281.29 - Original price $ 1,281.29Original price $ 1,281.29Current price $ 1,024.99$ 1,024.99 - $ 1,024.99Current price $ 1,024.99
Flexfab 5526-062x250, 5/8" ID x 250 ft Spool Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-062x250 standard silicone heater hose — a 250-foot spool of 5/8" ID hose engineered for...
View full detailsOriginal price $ 1,281.29Original price $ 1,281.29 - Original price $ 1,281.29Original price $ 1,281.29Current price $ 1,024.99$ 1,024.99 - $ 1,024.99Current price $ 1,024.99Save 20% -
Original price $ 149.19Original price $ 149.19 - Original price $ 149.19Original price $ 149.19Current price $ 119.39$ 119.39 - $ 119.39Current price $ 119.39
Flexfab 5526-062x25, 5/8" ID x 25 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-062x25 standard silicone heater hose — a 25-foot box of 5/8" ID hose engineered for sup...
View full detailsOriginal price $ 149.19Original price $ 149.19 - Original price $ 149.19Original price $ 149.19Current price $ 119.39$ 119.39 - $ 119.39Current price $ 119.39Save 20% -
Original price $ 2,312.49Original price $ 2,312.49 - Original price $ 2,312.49Original price $ 2,312.49Current price $ 1,849.99$ 1,849.99 - $ 1,849.99Current price $ 1,849.99
Flexfab 5526-050x500, 1/2" ID x 500 ft Spool Blue Silicone Heater Hose, 13mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-050x500 standard silicone heater hose — a 500-foot spool of 1/2" ID hose engineered for...
View full detailsOriginal price $ 2,312.49Original price $ 2,312.49 - Original price $ 2,312.49Original price $ 2,312.49Current price $ 1,849.99$ 1,849.99 - $ 1,849.99Current price $ 1,849.99Save 20% -
Original price $ 1,156.29Original price $ 1,156.29 - Original price $ 1,156.29Original price $ 1,156.29Current price $ 924.99$ 924.99 - $ 924.99Current price $ 924.99
Flexfab 5526-050x250, 1/2" ID x 250 ft Spool Blue Silicone Heater Hose, 13mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-050x250 standard silicone heater hose — a 250-foot spool of 1/2" ID hose engineered for...
View full detailsOriginal price $ 1,156.29Original price $ 1,156.29 - Original price $ 1,156.29Original price $ 1,156.29Current price $ 924.99$ 924.99 - $ 924.99Current price $ 924.99Save 20% -
Original price $ 245.29Original price $ 245.29 - Original price $ 245.29Original price $ 245.29Current price $ 196.29$ 196.29 - $ 196.29Current price $ 196.29
Flexfab 5526-050x50, 1/2" ID x 50 ft Box Blue Silicone Heater Hose, 13mm 350F Radiator Coolant
In stockUpgrade your heater and coolant lines with the Flexfab 5526-050x50 standard silicone heater hose — a 50-foot box of 1/2" ID hose engineered for sup...
View full detailsOriginal price $ 245.29Original price $ 245.29 - Original price $ 245.29Original price $ 245.29Current price $ 196.29$ 196.29 - $ 196.29Current price $ 196.29Save 20%
