Silicone Hose – Coupling Hose (Performance Reinforced Hose)
The obp Motorsport silicone coupling hose is engineered for air and fluid transfer applications, offering superior flexibility, strength, and long-term reliability. Perfect for cooling systems, intercooler setups, and custom automotive projects, this hose delivers consistent performance in both motorsport and high-performance road vehicles.
Constructed from premium reinforced silicone, each coupling hose meets or exceeds SAE J20 standards, providing excellent resistance to heat, pressure, and wear under demanding conditions.
Specifications:
Bore (ID): Dimensions refer to internal diameter
Type: Coupling hose
Length: 76mm
Working Temperature Range: -60°C to +220°C
Burst Pressure: 218 – 348 PSI (depending on ply reinforcement)
Finish: Black silicone, ply reinforcement varies by application
Compliance: Meets or exceeds SAE J20 standards
The obp Motorsport coupling silicone hose is a professional-grade, high-performance solution for connecting and extending coolant or intercooler lines, offering durable, reliable, and affordable performance for all automotive applications.
| Part Number | Description | PLY | Working Pressure (Bar) | Burst Pressure (Bar) | Weight (KG) | Length (mm) |
| Silicone Couplings – 76mm Long |
| OBPSH-C-6 | 6mm Bore Coupling | 3 | 12 | 36 | 0.015 | 76 |
| OBPSH-C-8 | 8mm Bore Coupling | 3 | 11.5 | 34.5 | 0.018 | 76 |
| OBPSH-C-10 | 10mm Bore Coupling | 3 | 11.5 | 34.5 | 0.020 | 76 |
| OBPSH-C-12 | 12mm Bore Coupling | 3 | 9 | 27 | 0.025 | 76 |
| OBPSH-C-14 | 14mm Bore Coupling | 3 | 8 | 24 | 0.026 | 76 |
| OBPSH-C-16 | 16mm Bore Coupling | 3 | 7 | 21 | 0.027 | 76 |
| OBPSH-C-18 | 18mm Bore Coupling | 3 | 6 | 18 | 0.031 | 76 |
| OBPSH-C-20 | 20mm Bore Coupling | 3 | 8 | 24 | 0.032 | 76 |
| OBPSH-C-22 | 22mm Bore Coupling | 3 | 8 | 24 | 0.030 | 76 |
| OBPSH-C-25 | 25mm Bore Coupling | 3 | 8 | 24 | 0.035 | 76 |
| OBPSH-C-28 | 28mm Bore Coupling | 3 | 8 | 24 | 0.040 | 76 |
| OBPSH-C-30 | 30mm Bore Coupling | 3 | 8 | 24 | 0.040 | 76 |
| OBPSH-C-32 | 32mm Bore Coupling | 3 | 7 | 21 | 0.043 | 76 |
| OBPSH-C-35 | 35mm Bore Coupling | 3 | 7 | 21 | 0.046 | 76 |
| OBPSH-C-38 | 38mm Bore Coupling | 3 | 7 | 21 | 0.050 | 76 |
| OBPSH-C-41 | 41mm Bore Coupling | 4 | 7 | 21 | 0.053 | 76 |
| OBPSH-C-45 | 45mm Bore Coupling | 4 | 7 | 21 | 0.061 | 76 |
| OBPSH-C-48 | 48mm Bore Coupling | 4 | 7 | 21 | 0.063 | 76 |
| OBPSH-C-51 | 51mm Bore Coupling | 4 | 6 | 18 | 0.088 | 76 |
| OBPSH-C-55 | 55mm Bore Coupling | 4 | 6 | 18 | 0.090 | 76 |
| OBPSH-C-57 | 57mm Bore Coupling | 4 | 5 | 15 | 0.091 | 76 |
| OBPSH-C-60 | 60mm Bore Coupling | 4 | 5 | 15 | 0.100 | 76 |
| OBPSH-C-63 | 63mm Bore Coupling | 4 | 5 | 15 | 0.105 | 76 |
| OBPSH-C-65 | 65mm Bore Coupling | 4 | 5 | 15 | 0.111 | 76 |
| OBPSH-C-68 | 68mm Bore Coupling | 4 | 5 | 15 | 0.108 | 76 |
| OBPSH-C-70 | 70mm Bore Coupling | 4 | 5 | 15 | 0.114 | 76 |
| OBPSH-C-76 | 76mm Bore Coupling | 4 | 4 | 15 | 0.131 | 76 |
| OBPSH-C-80 | 80mm Bore Coupling | 4 | 4 | 12 | 0.135 | 76 |
| OBPSH-C-83 | 83mm Bore Coupling | 4 | 4 | 12 | 0.
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