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 $ 165.49Original price $ 165.49 - Original price $ 165.49Original price $ 165.49Current price $ 132.39$ 132.39 - $ 132.39Current price $ 132.39
Flexfab 5581-350, 3.50" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 89mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-350 4-ply silicone coolant hose. A versatile heavy-d...
View full detailsOriginal price $ 165.49Original price $ 165.49 - Original price $ 165.49Original price $ 165.49Current price $ 132.39$ 132.39 - $ 132.39Current price $ 132.39Save 20% -
Original price $ 560.49Original price $ 560.49 - Original price $ 560.49Original price $ 560.49Current price $ 448.39$ 448.39 - $ 448.39Current price $ 448.39
Flexfab 5581-338X12, 3.38" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 86mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-338X12 4-ply silicone coolant hose. A versatile heav...
View full detailsOriginal price $ 560.49Original price $ 560.49 - Original price $ 560.49Original price $ 560.49Current price $ 448.39$ 448.39 - $ 448.39Current price $ 448.39Save 20% -
Original price $ 140.09Original price $ 140.09 - Original price $ 140.09Original price $ 140.09Current price $ 112.09$ 112.09 - $ 112.09Current price $ 112.09
Flexfab 5581-338, 3.38" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 86mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-338 4-ply silicone coolant hose. A versatile heavy-d...
View full detailsOriginal price $ 140.09Original price $ 140.09 - Original price $ 140.09Original price $ 140.09Current price $ 112.09$ 112.09 - $ 112.09Current price $ 112.09Save 20% -
Original price $ 599.59Original price $ 599.59 - Original price $ 599.59Original price $ 599.59Current price $ 479.69$ 479.69 - $ 479.69Current price $ 479.69
Flexfab 5581-325X12, 3.25" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 83mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-325X12 4-ply silicone coolant hose. A versatile heav...
View full detailsOriginal price $ 599.59Original price $ 599.59 - Original price $ 599.59Original price $ 599.59Current price $ 479.69$ 479.69 - $ 479.69Current price $ 479.69Save 20% -
Original price $ 149.89Original price $ 149.89 - Original price $ 149.89Original price $ 149.89Current price $ 119.89$ 119.89 - $ 119.89Current price $ 119.89
Flexfab 5581-325, 3.25" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 83mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-325 4-ply silicone coolant hose. A versatile heavy-d...
View full detailsOriginal price $ 149.89Original price $ 149.89 - Original price $ 149.89Original price $ 149.89Current price $ 119.89$ 119.89 - $ 119.89Current price $ 119.89Save 20% -
Original price $ 468.09Original price $ 468.09 - Original price $ 468.09Original price $ 468.09Current price $ 374.49$ 374.49 - $ 374.49Current price $ 374.49
Flexfab 5581-312X12, 3.13" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 80mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-312X12 4-ply silicone coolant hose. A versatile heav...
View full detailsOriginal price $ 468.09Original price $ 468.09 - Original price $ 468.09Original price $ 468.09Current price $ 374.49$ 374.49 - $ 374.49Current price $ 374.49Save 20% -
Original price $ 116.99Original price $ 116.99 - Original price $ 116.99Original price $ 116.99Current price $ 93.59$ 93.59 - $ 93.59Current price $ 93.59
Flexfab 5581-312, 3.13" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 80mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-312 4-ply silicone coolant hose. A versatile heavy-d...
View full detailsOriginal price $ 116.99Original price $ 116.99 - Original price $ 116.99Original price $ 116.99Current price $ 93.59$ 93.59 - $ 93.59Current price $ 93.59Save 20% -
Original price $ 580.49Original price $ 580.49 - Original price $ 580.49Original price $ 580.49Current price $ 464.39$ 464.39 - $ 464.39Current price $ 464.39
Flexfab 5581-300X12, 3.00" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 76mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-300X12 4-ply silicone coolant hose. A versatile heav...
View full detailsOriginal price $ 580.49Original price $ 580.49 - Original price $ 580.49Original price $ 580.49Current price $ 464.39$ 464.39 - $ 464.39Current price $ 464.39Save 20% -
Original price $ 145.09Original price $ 145.09 - Original price $ 145.09Original price $ 145.09Current price $ 116.09$ 116.09 - $ 116.09Current price $ 116.09
Flexfab 5581-300, 3.00" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 76mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-300 4-ply silicone coolant hose. A versatile heavy-d...
View full detailsOriginal price $ 145.09Original price $ 145.09 - Original price $ 145.09Original price $ 145.09Current price $ 116.09$ 116.09 - $ 116.09Current price $ 116.09Save 20% -
Original price $ 489.49Original price $ 489.49 - Original price $ 489.49Original price $ 489.49Current price $ 391.59$ 391.59 - $ 391.59Current price $ 391.59
Flexfab 5581-287X12, 2.88" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 73mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-287X12 4-ply silicone coolant hose. A versatile heav...
View full detailsOriginal price $ 489.49Original price $ 489.49 - Original price $ 489.49Original price $ 489.49Current price $ 391.59$ 391.59 - $ 391.59Current price $ 391.59Save 20% -
Original price $ 122.39Original price $ 122.39 - Original price $ 122.39Original price $ 122.39Current price $ 97.89$ 97.89 - $ 97.89Current price $ 97.89
Flexfab 5581-287, 2.88" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 73mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-287 4-ply silicone coolant hose. A versatile heavy-d...
View full detailsOriginal price $ 122.39Original price $ 122.39 - Original price $ 122.39Original price $ 122.39Current price $ 97.89$ 97.89 - $ 97.89Current price $ 97.89Save 20% -
Original price $ 524.29Original price $ 524.29 - Original price $ 524.29Original price $ 524.29Current price $ 419.39$ 419.39 - $ 419.39Current price $ 419.39
Flexfab 5581-275X12, 2.75" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 70mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-275X12 4-ply silicone coolant hose. A versatile heav...
View full detailsOriginal price $ 524.29Original price $ 524.29 - Original price $ 524.29Original price $ 524.29Current price $ 419.39$ 419.39 - $ 419.39Current price $ 419.39Save 20% -
Original price $ 131.09Original price $ 131.09 - Original price $ 131.09Original price $ 131.09Current price $ 104.89$ 104.89 - $ 104.89Current price $ 104.89
Flexfab 5581-275, 2.75" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 70mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-275 4-ply silicone coolant hose. A versatile heavy-d...
View full detailsOriginal price $ 131.09Original price $ 131.09 - Original price $ 131.09Original price $ 131.09Current price $ 104.89$ 104.89 - $ 104.89Current price $ 104.89Save 20% -
Original price $ 390.59Original price $ 390.59 - Original price $ 390.59Original price $ 390.59Current price $ 312.49$ 312.49 - $ 312.49Current price $ 312.49
Flexfab 5581-262X12, 2.63" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 67mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-262X12 4-ply silicone coolant hose. A versatile heav...
View full detailsOriginal price $ 390.59Original price $ 390.59 - Original price $ 390.59Original price $ 390.59Current price $ 312.49$ 312.49 - $ 312.49Current price $ 312.49Save 20% -
Original price $ 97.69Original price $ 97.69 - Original price $ 97.69Original price $ 97.69Current price $ 78.09$ 78.09 - $ 78.09Current price $ 78.09
Flexfab 5581-262, 2.63" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 67mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-262 4-ply silicone coolant hose. A versatile heavy-d...
View full detailsOriginal price $ 97.69Original price $ 97.69 - Original price $ 97.69Original price $ 97.69Current price $ 78.09$ 78.09 - $ 78.09Current price $ 78.09Save 20% -
Original price $ 484.89Original price $ 484.89 - Original price $ 484.89Original price $ 484.89Current price $ 387.89$ 387.89 - $ 387.89Current price $ 387.89
Flexfab 5581-250X12, 2.50" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 64mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-250X12 4-ply silicone coolant hose. A versatile heav...
View full detailsOriginal price $ 484.89Original price $ 484.89 - Original price $ 484.89Original price $ 484.89Current price $ 387.89$ 387.89 - $ 387.89Current price $ 387.89Save 20% -
Original price $ 121.19Original price $ 121.19 - Original price $ 121.19Original price $ 121.19Current price $ 96.99$ 96.99 - $ 96.99Current price $ 96.99
Flexfab 5581-250, 2.50" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 64mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-250 4-ply silicone coolant hose. A versatile heavy-d...
View full detailsOriginal price $ 121.19Original price $ 121.19 - Original price $ 121.19Original price $ 121.19Current price $ 96.99$ 96.99 - $ 96.99Current price $ 96.99Save 20% -
Original price $ 466.49Original price $ 466.49 - Original price $ 466.49Original price $ 466.49Current price $ 373.19$ 373.19 - $ 373.19Current price $ 373.19
Flexfab 5581-238X12, 2.38" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 60mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-238X12 4-ply silicone coolant hose. A versatile heav...
View full detailsOriginal price $ 466.49Original price $ 466.49 - Original price $ 466.49Original price $ 466.49Current price $ 373.19$ 373.19 - $ 373.19Current price $ 373.19Save 20% -
Original price $ 116.59Original price $ 116.59 - Original price $ 116.59Original price $ 116.59Current price $ 93.29$ 93.29 - $ 93.29Current price $ 93.29
Flexfab 5581-238, 2.38" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 60mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-238 4-ply silicone coolant hose. A versatile heavy-d...
View full detailsOriginal price $ 116.59Original price $ 116.59 - Original price $ 116.59Original price $ 116.59Current price $ 93.29$ 93.29 - $ 93.29Current price $ 93.29Save 20% -
Original price $ 463.89Original price $ 463.89 - Original price $ 463.89Original price $ 463.89Current price $ 371.09$ 371.09 - $ 371.09Current price $ 371.09
Flexfab 5581-225X12, 2.25" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 57mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-225X12 4-ply silicone coolant hose. A versatile heav...
View full detailsOriginal price $ 463.89Original price $ 463.89 - Original price $ 463.89Original price $ 463.89Current price $ 371.09$ 371.09 - $ 371.09Current price $ 371.09Save 20% -
Original price $ 115.99Original price $ 115.99 - Original price $ 115.99Original price $ 115.99Current price $ 92.79$ 92.79 - $ 92.79Current price $ 92.79
Flexfab 5581-225, 2.25" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 57mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-225 4-ply silicone coolant hose. A versatile heavy-d...
View full detailsOriginal price $ 115.99Original price $ 115.99 - Original price $ 115.99Original price $ 115.99Current price $ 92.79$ 92.79 - $ 92.79Current price $ 92.79Save 20% -
Original price $ 385.89Original price $ 385.89 - Original price $ 385.89Original price $ 385.89Current price $ 308.69$ 308.69 - $ 308.69Current price $ 308.69
Flexfab 5581-212X12, 2.13" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 54mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-212X12 4-ply silicone coolant hose. A versatile heav...
View full detailsOriginal price $ 385.89Original price $ 385.89 - Original price $ 385.89Original price $ 385.89Current price $ 308.69$ 308.69 - $ 308.69Current price $ 308.69Save 20% -
Original price $ 96.49Original price $ 96.49 - Original price $ 96.49Original price $ 96.49Current price $ 77.19$ 77.19 - $ 77.19Current price $ 77.19
Flexfab 5581-212, 2.13" x 3 ft, 4-Ply Blue Silicone Coolant Hose, 54mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-212 4-ply silicone coolant hose. A versatile heavy-d...
View full detailsOriginal price $ 96.49Original price $ 96.49 - Original price $ 96.49Original price $ 96.49Current price $ 77.19$ 77.19 - $ 77.19Current price $ 77.19Save 20% -
Original price $ 414.79Original price $ 414.79 - Original price $ 414.79Original price $ 414.79Current price $ 331.79$ 331.79 - $ 331.79Current price $ 331.79
Flexfab 5581-200X12, 2.00" x 12 ft, 4-Ply Blue Silicone Coolant Hose, 51mm
In stockKeep your cooling system sealed and reliable in the harshest engine bays with the Flexfab 5581-200X12 4-ply silicone coolant hose. A versatile heav...
View full detailsOriginal price $ 414.79Original price $ 414.79 - Original price $ 414.79Original price $ 414.79Current price $ 331.79$ 331.79 - $ 331.79Current price $ 331.79Save 20%
