High-Temperature Reinforced Silicone Connectors
Silicone couplers offer excellent temperature resistance and flexibility and are primarily used in automotive modifications. As a hose manufacturer, we can produce a wide range of custom silicone hoses in bulk to meet the specific requirements of automotive modification and repair shops.
Silicone Coupler Construction
Strongflex Silicone Couplers are high-performance connectors designed to join pipes and tubes in high-temperature and high-pressure environments. Manufactured from premium multi-ply reinforced silicone.
Tube:100% high quality silicone
Reinforcement: 4 ply polyester/Aramid/glass fiber
Cover: silicone
Silicone Straight Coupler
Straight Hose Coupler Technical Specifications
Sizes Available: ID 6mm–152mm (¼”–6″) , commonly used sizes are 3 inch and 4 inch. Size can be customized.
Termperature: -40°C to +220°C (-40°F to +428°F)
Pressure Rating: up to 4 bar (depends on size and ply)
Length Options: 50mm, 76mm, 100mm, or custom
Shape: Straight, 45°, 90°, Hump coupler, Reducer, Offset
Color Options: Blue / Black / Red / Custom
Standard: Strongflex – silicone hose manufacturer comply with SAE J20 R1/R2 and ISO 2398 standards for automotive and industrial hoses.
| Item Code | I.D. | Layer | Wall Thickness | Length |
| mm | mm | mm | ||
| SSCH025 | 25 | 4 | 4 | 76mm |
| SSCH032 | 32 | 4 | 4 | 76mm |
| SSCH036 | 36 | 4 | 4 | 76mm |
| SSCH045 | 45 | 4 | 5 | 76mm |
| SSCH051 | 51 | 4 | 5 | 76mm |
| SSCH054 | 54 | 4 | 5 | 76mm |
| SSCH057 | 57 | 4 | 5 | 76mm |
| SSCH060 | 60 | 4 | 5 | 76mm |
| SSCH063 | 63 | 4 | 5 | 76mm |
| SSCH070 | 70 | 4 | 5 | 76mm |
| SSCH076 | 76 | 4 | 5 | 76mm |
| SSCH080 | 80 | 4 | 5 | 76mm |
| SSCH083 | 83 | 4 | 5 | 76mm |
| SSCH089 | 89 | 4 | 5 | 76mm |
| SSCH095 | 95 | 4 | 5 | 76mm |
| SSCH0102 | 102 | 4 | 5 | 76mm |
Silicone Coupler Tube Application
These standard silicone couplers typically measure 76mm in length, though custom diameters and lengths are also available. Designed to save installation space, they are primarily used in automotive modifications, industrial piping connections, and fluid handling machinery.
Specific applications and functions include:
Automotive Intake Systems: Widely used for heating and cooling systems, CAC charge-air-cooler (hot & cold side), turbo charger systems & custom compressor, intercooler or intake & inlet piping for turbo/superchargers. etc.. Shorter segments serve to connect various components, acting as transitional and cushioning elements.
Cooling and Heat Dissipation Systems: Used to connect automotive water tanks, radiators, or industrial cooling circulation systems; the silicone material’s high-temperature and aging resistance makes it ideal for such demanding environments.
Fluid Machinery and Vibration Damping: Thanks to the excellent flexibility and elasticity of silicone, these connectors are frequently used with engines or vibrating machinery to prevent rigid pipes from cracking due to vibration.
silicone coupler for automotive modification
Silicone Coupler Hose Features
① Silicone tubing has a wide operating temperature range during continuous use, functioning stably from -40℃ to 220℃.
② Silicone tubing is flexible and possesses excellent ozone resistance, crack resistance, and aging resistance, resulting in a long service life.
③ This silicone coupler tubing can be customized into various specifications according to customer needs.
④ The smooth inner wall facilitates gas or fluid transport.
⑤ Silicone tubing possesses high-pressure resistance and meets environmental standards.
Applicable Refrigerant
Joining your intake pipe to the throttle body assembly, air metering assembly, intercooler, BOV pipe, or turbo inlet/outlet.
Custom compressor, intercooler or inlet piping for turbo/supercharged car.
Custom cold air intake for nonturbo car,Custom cold air intake for nonturbo car.
These silicone parts can be used in trucks, recreational vehicles, boats, or anything else with an engine.
Bulk Supply & OEM Customization
Strongflex provides flexible solutions for bulk buyers and OEM partners. Whether you require standard dimensions or fully customized silicone couplers, our manufacturing capacity and quality control ensure reliable performance for every order.
- MOQ starting from 100 pcs
- Custom logo and color available
- Rapid production and export support
- Global delivery to 40+ countries
- Can be applied in a variety of scenarios.
FAQ About Silicone Coupler
1. What is a coupling for a hose?
A silicone hose is a short, flexible tube used to connect two pipes or conduits, typically found in high-temperature systems such as turbocharger or intercooler piping. It consists of a fiber middle layer and silicone inner and outer layers, providing heat resistance, pressure resistance, and anti-aging properties.
2. What is a silicone coupler made of?
Strongflex silicone joints are made of multi-layered reinforced silicone rubber with four layers of polyester or aramid fabric to enhance strength and pressure resistance.
3. How much heat can a silicone coupler withstand?
Standard reinforced silicone couplers can typically handle temperatures from -40°C to +220°C (-40°F to +428°F). Aramid-reinforced types can go even higher.
4. Can you cut silicone couplers?
We can cut a silicone hose to make a silicone coupler ourselves. Before cutting, you will need the following tools: a ruler to measure the dimensions, a sharp knife, a clamp for neat cuts, and a marker.
First, measure the required length, for example, 76mm. After measuring with the ruler, make a mark with the marker. Place the clamp on the appropriate position of the silicone hose, making sure the mark is visible. After securing the clamp, cut the silicone tubing with the sharp knife. If necessary, you can grind the cut surface appropriately. This will give you a perfect silicone coupler.
If you have a hose cutter, things will be much simpler.
5. How to clean silicone couplers?
We can clean it with soapy water and a sponge, or wipe it with a wet wipe.
6. What is the difference between silicone coupler and rubber coupler?
The biggest difference between silicone and rubber couplers is their heat resistance; they also differ in price.





