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Flex Technologies HH-050-25 Silicone Heater Hose – 1/2" ID x 25 Foot Roll
Flex Technologies HH-050-25 Silicone Heater Hose – 1/2" ID x 25 Foot Roll
Regular price
$68.83
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The Flex Technologies HH-050-25 is a premium-grade blue silicone heater hose with a 1/2" inside diameter, sold in a 25-foot roll. Reinforced with polyester for durability and flexibility, this SAE J20 R3-compliant hose is engineered to withstand extreme temperatures from -65°F to 350°F. Ideal for coolant and heater line applications on heavy-duty trucks, marine vessels, and industrial equipment where superior heat, ozone, and UV resistance is required.
Signs You Need New Heater Hose
- Visible cracks, splits, or soft spots in the hose wall
- Coolant leaks at hose connections or along the hose length
- Swelling or ballooning of the hose under pressure
- Hardened, brittle hose that has lost flexibility
Specifications
| Manufacturer | Flex Technologies |
|---|---|
| Part Number | HH-050-25 |
| Part Type | Silicone Heater Hose |
| Inside Diameter | 1/2" (13mm) |
| Outside Diameter | 0.83" (21mm) |
| Wall Thickness | 0.165" |
| Length | 25 Feet |
| Color | Blue |
| Material | Silicone, Polyester Reinforced |
| Temperature Range | -65°F to 350°F |
| Standards | SAE J20 R3 |
Applications
This silicone heater hose is used for coolant and heating system lines in a variety of applications including:
- Heavy-duty trucks (Freightliner, Kenworth, Peterbilt, Volvo, Mack)
- School buses and transit buses
- Marine engines and watercraft
- Agricultural and construction equipment
- Industrial machinery and stationary engines
Cut hose clean and square. Use clamps rated for silicone hose. Verify inside diameter matches your application before ordering.