1 in I.D. Blue Heater Hose | 50 Foot Roll
Regular price
$244.99
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Flex Technologies HH-100-50 silicone heater hose, 1.00 in inside diameter, sold as a 50-foot roll in blue. Polyester-reinforced silicone construction rated for −65°F to 350°F continuous service — built as a replacement for standard rubber heater hose where high underhood temperatures, ozone exposure, or oil splash shorten rubber hose life on heavy-duty trucks, buses, and stationary engines.
Signs You Need New Heater Hose
- Visible cracks, splits, or pinholes along the run
- Soft, swollen, or oil-saturated rubber that compresses under finger pressure
- Coolant weeping at clamps or leaks at the heater core / cab pass-through
- Hose hardened and brittle, especially after years of heat soak
Specifications
| Manufacturer | Flex Technologies |
|---|---|
| Part Number | HH-100-50 |
| Part Type | Silicone Heater Hose (bulk roll) |
| Inside Diameter | 1.00 in |
| Roll Length | 50 ft |
| Wall Thickness | 0.17 in |
| Burst Pressure | 175 PSI |
| Material | Silicone with polyester fabric reinforcement |
| Temperature Range | −65°F to 350°F continuous |
| Resistance | Ozone & oil-splash resistant |
| Standards | SAE J20 R3 (heater hose) compliant |
| Color | Blue |
Applications
This silicone heater hose is used for coolant and heater-line bulk runs in:
- Heavy-duty trucks (Freightliner, Kenworth, Peterbilt, International, Volvo, Mack)
- School buses and transit buses with extended heater-hose runs
- Marine, agricultural, construction, and stationary diesel engines
- Industrial machinery and back-of-cab heater plumbing
Cut hose clean and square at installation. Use silicone-rated worm-gear or T-bolt clamps; standard worm-gear clamps will eventually cut into silicone. Verify inside diameter and length match your application before ordering.