Skip to content
Fall Ready Sale15% off everything through Nov 7FALLREADY15Tap to apply at checkout →
15% off through Nov 7FALLREADY15Tap to apply →

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.

Filters

Flexfab 5526-125, 1-1/4" x 50 ft Blue Silicone Heater Hose, 1.25" Save 30% Save %
$ 9,909.00
$ 9,909.00 - $ 9,909.00
$ 9,909.00
$ 6,936.00
$ 6,936.00 - $ 6,936.00
$ 6,936.00

Flexfab 5526-125, 1-1/4" x 50 ft Blue Silicone Heater Hose, 1.25"

Product Details The Flexfab 5526-125 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, crack...

View full details
$ 9,909.00
$ 9,909.00 - $ 9,909.00
$ 9,909.00
$ 6,936.00
$ 6,936.00 - $ 6,936.00
$ 6,936.00
Save 30% Save %
Flexfab 5526-087, 7/8" x 50 ft Blue Silicone Heater Hose, .88" Save 30% Save %
$ 5,119.00
$ 5,119.00 - $ 5,119.00
$ 5,119.00
$ 3,583.00
$ 3,583.00 - $ 3,583.00
$ 3,583.00

Flexfab 5526-087, 7/8" x 50 ft Blue Silicone Heater Hose, .88"

Product Details The Flexfab 5526-087 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, crack...

View full details
$ 5,119.00
$ 5,119.00 - $ 5,119.00
$ 5,119.00
$ 3,583.00
$ 3,583.00 - $ 3,583.00
$ 3,583.00
Save 30% Save %
Flexfab 5526-075, 3/4" x 300 ft Blue Silicone Heater Hose, .75" (Reel) Save 30% Save %
$ 30,066.00
$ 30,066.00 - $ 30,066.00
$ 30,066.00
$ 21,046.00
$ 21,046.00 - $ 21,046.00
$ 21,046.00

Flexfab 5526-075, 3/4" x 300 ft Blue Silicone Heater Hose, .75" (Reel)

Product Details The Flexfab 5526-075 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, crack...

View full details
$ 30,066.00
$ 30,066.00 - $ 30,066.00
$ 30,066.00
$ 21,046.00
$ 21,046.00 - $ 21,046.00
$ 21,046.00
Save 30% Save %
Flexfab 5515-100, 1.00" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 25mm Save 20% Save %
$ 1,121.00
$ 1,121.00 - $ 1,121.00
$ 1,121.00
$ 897.00
$ 897.00 - $ 897.00
$ 897.00

Flexfab 5515-100, 1.00" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 25mm

Product Details The Flexfab 5515-100 is a blue silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, c...

View full details
$ 1,121.00
$ 1,121.00 - $ 1,121.00
$ 1,121.00
$ 897.00
$ 897.00 - $ 897.00
$ 897.00
Save 20% Save %
Flexfab 5521-062, 5/8" x 25 ft Green Premium Silicone Heater Hose, .63"
Save 20% Save %
$ 3,569.00
$ 3,569.00 - $ 3,569.00
$ 3,569.00
$ 2,855.00
$ 2,855.00 - $ 2,855.00
$ 2,855.00

Flexfab 5521-062, 5/8" x 25 ft Green Premium Silicone Heater Hose, .63"

Product Details The Flexfab 5521-062 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resists...

View full details
$ 3,569.00
$ 3,569.00 - $ 3,569.00
$ 3,569.00
$ 2,855.00
$ 2,855.00 - $ 2,855.00
$ 2,855.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 436.00
$ 436.00 - $ 436.00
$ 436.00
$ 349.00
$ 349.00 - $ 349.00
$ 349.00

Flexfab 2582-0008 Lined Worm Gear Clamp, Size 8, 0.63"–1.00" Dia (16–25 mm), 300 SS, 10 Per Box

Clamp silicone hose securely with the Flexfab 2582-0008 Lined Worm Gear Clamp — a box of 10 300-grade stainless clamps that fit hose 0.63"–1.00" ou...

View full details
$ 436.00
$ 436.00 - $ 436.00
$ 436.00
$ 349.00
$ 349.00 - $ 349.00
$ 349.00
Save 20% Save %
Flexfab 5526-075, 3/4" x 250 ft Blue Silicone Heater Hose, .75" (Reel)
Save 30% Save %
$ 25,055.00
$ 25,055.00 - $ 25,055.00
$ 25,055.00
$ 17,538.00
$ 17,538.00 - $ 17,538.00
$ 17,538.00

Flexfab 5526-075, 3/4" x 250 ft Blue Silicone Heater Hose, .75" (Reel)

Product Details The Flexfab 5526-075 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, crack...

View full details
$ 25,055.00
$ 25,055.00 - $ 25,055.00
$ 25,055.00
$ 17,538.00
$ 17,538.00 - $ 17,538.00
$ 17,538.00
Save 30% Save %
Flexfab 5500-187, 1.88" X 3 ft, 3-Ply Green Silicone Coolant Hose, 48mm
Save 20% Save %
$ 1,255.00
$ 1,255.00 - $ 1,255.00
$ 1,255.00
$ 1,004.00
$ 1,004.00 - $ 1,004.00
$ 1,004.00

Flexfab 5500-187, 1.88" X 3 ft, 3-Ply Green Silicone Coolant Hose, 48mm

Product Details The Flexfab 5500-187 is a green silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, ...

View full details
$ 1,255.00
$ 1,255.00 - $ 1,255.00
$ 1,255.00
$ 1,004.00
$ 1,004.00 - $ 1,004.00
$ 1,004.00
Save 20% Save %
Flexfab 5515-175, 1.75" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 44mm
Save 20% Save %
$ 1,612.00
$ 1,612.00 - $ 1,612.00
$ 1,612.00
$ 1,290.00
$ 1,290.00 - $ 1,290.00
$ 1,290.00

Flexfab 5515-175, 1.75" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 44mm

Product Details The Flexfab 5515-175 is a blue silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, c...

View full details
$ 1,612.00
$ 1,612.00 - $ 1,612.00
$ 1,612.00
$ 1,290.00
$ 1,290.00 - $ 1,290.00
$ 1,290.00
Save 20% Save %
Flexfab 5521-075, 3/4" x 25 ft Green Premium Silicone Heater Hose, .75"
Save 20% Save %
$ 4,602.00
$ 4,602.00 - $ 4,602.00
$ 4,602.00
$ 3,681.00
$ 3,681.00 - $ 3,681.00
$ 3,681.00

Flexfab 5521-075, 3/4" x 25 ft Green Premium Silicone Heater Hose, .75"

Product Details The Flexfab 5521-075 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resists...

View full details
$ 4,602.00
$ 4,602.00 - $ 4,602.00
$ 4,602.00
$ 3,681.00
$ 3,681.00 - $ 3,681.00
$ 3,681.00
Save 20% Save %
Flexfab 5521-062, 5/8" x 50 ft Green Premium Silicone Heater Hose, .63"
Save 20% Save %
$ 6,606.00
$ 6,606.00 - $ 6,606.00
$ 6,606.00
$ 5,285.00
$ 5,285.00 - $ 5,285.00
$ 5,285.00

Flexfab 5521-062, 5/8" x 50 ft Green Premium Silicone Heater Hose, .63"

Product Details The Flexfab 5521-062 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resists...

View full details
$ 6,606.00
$ 6,606.00 - $ 6,606.00
$ 6,606.00
$ 5,285.00
$ 5,285.00 - $ 5,285.00
$ 5,285.00
Save 20% Save %
Flexfab 5521-050, 1/2" x 50 ft Green Premium Silicone Heater Hose, .50"
Save 20% Save %
$ 5,662.00
$ 5,662.00 - $ 5,662.00
$ 5,662.00
$ 4,530.00
$ 4,530.00 - $ 4,530.00
$ 4,530.00

Flexfab 5521-050, 1/2" x 50 ft Green Premium Silicone Heater Hose, .50"

Product Details The Flexfab 5521-050 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resists...

View full details
$ 5,662.00
$ 5,662.00 - $ 5,662.00
$ 5,662.00
$ 4,530.00
$ 4,530.00 - $ 4,530.00
$ 4,530.00
Save 20% Save %
Flexfab 5526-050, 1/2" x 5 ft Blue Silicone Heater Hose, .50"
Save 30% Save %
$ 485.00
$ 485.00 - $ 485.00
$ 485.00
$ 340.00
$ 340.00 - $ 340.00
$ 340.00

Flexfab 5526-050, 1/2" x 5 ft Blue Silicone Heater Hose, .50"

Product Details The Flexfab 5526-050 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, crack...

View full details
$ 485.00
$ 485.00 - $ 485.00
$ 485.00
$ 340.00
$ 340.00 - $ 340.00
$ 340.00
Save 30% Save %
Flexfab 5526-062, 5/8" x 250 ft Blue Silicone Heater Hose, .63" (Reel)
Save 30% Save %
$ 23,215.00
$ 23,215.00 - $ 23,215.00
$ 23,215.00
$ 16,250.00
$ 16,250.00 - $ 16,250.00
$ 16,250.00

Flexfab 5526-062, 5/8" x 250 ft Blue Silicone Heater Hose, .63" (Reel)

Product Details The Flexfab 5526-062 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, crack...

View full details
$ 23,215.00
$ 23,215.00 - $ 23,215.00
$ 23,215.00
$ 16,250.00
$ 16,250.00 - $ 16,250.00
$ 16,250.00
Save 30% Save %
Flexfab 5515-275, 2.75" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 70mm
Save 20% Save %
$ 2,248.00
$ 2,248.00 - $ 2,248.00
$ 2,248.00
$ 1,799.00
$ 1,799.00 - $ 1,799.00
$ 1,799.00

Flexfab 5515-275, 2.75" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 70mm

Product Details The Flexfab 5515-275 is a blue silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, c...

View full details
$ 2,248.00
$ 2,248.00 - $ 2,248.00
$ 2,248.00
$ 1,799.00
$ 1,799.00 - $ 1,799.00
$ 1,799.00
Save 20% Save %
Flexfab 5515-225, 2.25" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 57mm
Save 20% Save %
$ 1,922.00
$ 1,922.00 - $ 1,922.00
$ 1,922.00
$ 1,537.00
$ 1,537.00 - $ 1,537.00
$ 1,537.00

Flexfab 5515-225, 2.25" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 57mm

Product Details The Flexfab 5515-225 is a blue silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, c...

View full details
$ 1,922.00
$ 1,922.00 - $ 1,922.00
$ 1,922.00
$ 1,537.00
$ 1,537.00 - $ 1,537.00
$ 1,537.00
Save 20% Save %
Flexfab 5515-200, 2.00" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 51mm
Save 20% Save %
$ 1,776.00
$ 1,776.00 - $ 1,776.00
$ 1,776.00
$ 1,421.00
$ 1,421.00 - $ 1,421.00
$ 1,421.00

Flexfab 5515-200, 2.00" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 51mm

Product Details The Flexfab 5515-200 is a blue silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, c...

View full details
$ 1,776.00
$ 1,776.00 - $ 1,776.00
$ 1,776.00
$ 1,421.00
$ 1,421.00 - $ 1,421.00
$ 1,421.00
Save 20% Save %
Flexfab 5515-150, 1.50" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 38mm
Save 20% Save %
$ 1,463.00
$ 1,463.00 - $ 1,463.00
$ 1,463.00
$ 1,170.00
$ 1,170.00 - $ 1,170.00
$ 1,170.00

Flexfab 5515-150, 1.50" X 3 ft, 3-Ply Blue Silicone Coolant Hose, 38mm

Product Details The Flexfab 5515-150 is a blue silicone, 3-ply polyester hose engineered for demanding engine environments. It resists hardening, c...

View full details
$ 1,463.00
$ 1,463.00 - $ 1,463.00
$ 1,463.00
$ 1,170.00
$ 1,170.00 - $ 1,170.00
$ 1,170.00
Save 20% Save %
Flexfab 5521-050, 1/2" x 25 ft Green Premium Silicone Heater Hose, .50"
Save 20% Save %
$ 3,096.00
$ 3,096.00 - $ 3,096.00
$ 3,096.00
$ 2,476.00
$ 2,476.00 - $ 2,476.00
$ 2,476.00

Flexfab 5521-050, 1/2" x 25 ft Green Premium Silicone Heater Hose, .50"

Product Details The Flexfab 5521-050 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resists...

View full details
$ 3,096.00
$ 3,096.00 - $ 3,096.00
$ 3,096.00
$ 2,476.00
$ 2,476.00 - $ 2,476.00
$ 2,476.00
Save 20% Save %
Flexfab 5521-038, 3/8" x 25 ft Green Premium Silicone Heater Hose, .38"
Save 20% Save %
$ 2,788.00
$ 2,788.00 - $ 2,788.00
$ 2,788.00
$ 2,230.00
$ 2,230.00 - $ 2,230.00
$ 2,230.00

Flexfab 5521-038, 3/8" x 25 ft Green Premium Silicone Heater Hose, .38"

Product Details The Flexfab 5521-038 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resists...

View full details
$ 2,788.00
$ 2,788.00 - $ 2,788.00
$ 2,788.00
$ 2,230.00
$ 2,230.00 - $ 2,230.00
$ 2,230.00
Save 20% Save %
Flexfab 5521-025, 1/4" x 50 ft Green Premium Silicone Heater Hose, .25"
Save 20% Save %
$ 4,424.00
$ 4,424.00 - $ 4,424.00
$ 4,424.00
$ 3,539.00
$ 3,539.00 - $ 3,539.00
$ 3,539.00

Flexfab 5521-025, 1/4" x 50 ft Green Premium Silicone Heater Hose, .25"

Product Details The Flexfab 5521-025 is a green cover/red liner silicone, 1-ply nylon hose engineered for demanding engine environments. It resists...

View full details
$ 4,424.00
$ 4,424.00 - $ 4,424.00
$ 4,424.00
$ 3,539.00
$ 3,539.00 - $ 3,539.00
$ 3,539.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 483.00
$ 483.00 - $ 483.00
$ 483.00
$ 387.00
$ 387.00 - $ 387.00
$ 387.00

Flexfab 2582-0020 Lined Worm Gear Clamp, Size 20, 1.13"–1.75" Dia (29–44 mm), 300 SS, 10 Per Box

Clamp silicone hose securely with the Flexfab 2582-0020 Lined Worm Gear Clamp — a box of 10 300-grade stainless clamps that fit hose 1.13"–1.75" ou...

View full details
$ 483.00
$ 483.00 - $ 483.00
$ 483.00
$ 387.00
$ 387.00 - $ 387.00
$ 387.00
Save 20% Save %
Flexfab 5526-062x50, 5/8" ID x 50 ft Box Blue Silicone Heater Hose, 16mm 350F Radiator Coolant
Save 20% Save %
$ 414.00
$ 414.00 - $ 414.00
$ 414.00
$ 331.00
$ 331.00 - $ 331.00
$ 331.00

Flexfab 2582-0006 Lined Worm Gear Clamp, Size 6, 0.50"–0.88" Dia (13–22 mm), 300 SS, 10 Per Box

Clamp silicone hose securely with the Flexfab 2582-0006 Lined Worm Gear Clamp — a box of 10 300-grade stainless clamps that fit hose 0.50"–0.88" ou...

View full details
$ 414.00
$ 414.00 - $ 414.00
$ 414.00
$ 331.00
$ 331.00 - $ 331.00
$ 331.00
Save 20% Save %
Flexfab 5526-075, 3/4" x 100 ft Blue Silicone Heater Hose, .75"
Save 30% Save %
$ 10,532.00
$ 10,532.00 - $ 10,532.00
$ 10,532.00
$ 7,372.00
$ 7,372.00 - $ 7,372.00
$ 7,372.00

Flexfab 5526-075, 3/4" x 100 ft Blue Silicone Heater Hose, .75"

Product Details The Flexfab 5526-075 is a blue silicone, 1-ply nylon hose engineered for demanding engine environments. It resists hardening, crack...

View full details
$ 10,532.00
$ 10,532.00 - $ 10,532.00
$ 10,532.00
$ 7,372.00
$ 7,372.00 - $ 7,372.00
$ 7,372.00
Save 30% Save %

Request a Quote

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