6mm ID Silicone 2 Ply Heater Radiator Hose 20 Metre Length Black

📏 6MM (1/4") BORE, 20M LENGTH – 6mm internal diameter, 14mm outside diameter and 4mm wall, supplied as one continuous 20 metre length (65.6ft, approx. 3.12 kg), ideal for bulk workshop or fleet use with the fewest joins. 🔧 SILICONE HEATER AND RADIATOR HOSE – for cars, vans, motorbikes, classics and kit cars. The 6mm bore suits heater bypass, overflow, breather, vacuum and small coolant bleed lines. 🛡️ 2-PLY POLYESTER REINFORCED – smooth extruded silicone inner, 2-ply polyester braid and a silicone outer layer, made to SAE J20 R3. Resists ozone, ageing, cracking and coolant additives far longer than rubber. Trim the length with a sharp blade for a square, leak-free end. 🌡️ -30°C TO +200°C RATED – continuous operating range -30°C to +200°C with peaks to +220°C. This 6mm bore is rated 8 bar working and 24 bar burst pressure, with a 70mm minimum bend radius. ⚫ BLACK SILICONE – black finish that keeps its colour under bonnet heat. For coolant, water and air only – not suitable for fuel or oil. Use hose clips sized for the 14mm outside diameter.