Straight Reducer Coupler Hose
These reducer hoses feature two different end diameters to connect pipes of different diameters. All sizes are 76mm length. Smaller sizes up to 48mm I.D. are constructed from 4 high grade silicone layers reinforced with 3 layers of tough polyester fabric with a total wall thickness of approx 4.5mm. Sizes 51mm I.D. and larger feature an extra layer of silicone and reinforcing fabric for a total thickness of approx 5.4mm.
Made of quality material for long service life. It improves the flow and performance of the engine cooling system. The hose connects the car's cooling system which makes sure the car engine work well.Universal fit for most automotive cooler engines. Universal application for connecting turbine ducts or intake ducts. 4-layer hose is suitable for the most demanding applications and can withstand high boost pressures. Ideal for use with turbochargers, superchargers, air intake and intercooler system applications. Please note that the silicone hose is not suitable for oil or fuel transfer.
|
Size |
A (mm) |
D (mm) |
D2 (mm) |
|
1"/0.5" |
50.8 |
25.4 |
12.7 |
|
1.5"/0.75" |
76.2 |
38.1 |
19 |
|
1.5"/1.0" |
50.8 |
38.1 |
25.4 |
|
2.0"/1.0" |
101.6 |
50.8 |
25.4 |
|
2.0" /1.5" |
50.8 |
50.8 |
38.1 |
|
2.5"/1.0" |
152.4 |
63.5 |
25.4 |
|
2.5"/1.5" |
101.6 |
63.5 |
38.1 |
|
2.5"/2.0" |
50.8 |
63.5 |
50.8 |
|
3.0"/1.0" |
203.2 |
76.2 |
25.4 |
|
3.0"/1.5" |
152.4 |
76.2 |
38.1 |
|
3.0"/2.0" |
101.6 |
76.2 |
50.8 |
|
3.0"/2.5" |
50.8 |
76.2 |
63.5 |
|
4.0"/1.0" |
304.8 |
101.6 |
25.4 |
|
4.0"/1.5" |
254 |
101.6 |
38.1 |
|
4.0"/2.0" |
203.2 |
101.6 |
50.8 |
|
4.0"/2.5" |
152.4 |
101.6 |
63.5 |
|
4.0"/3.0" |
101.6 |
101.6 |
76.2 |
|
5.0"/3.0" |
127.0 |
127.0 |
76.2 |
|
5.0"/4.0" |
127.0 |
127.0 |
101.6 |
|
6.0"/2.0" |
140.0 |
152.4 |
50.8 |
|
6.0"/2.5" |
140.0 |
152.4 |
63.5 |
|
6.0"/3.0" |
140.0 |
152.4 |
76.2 |
|
6.0"/4.0" |
140.0 |
152.4 |
101.6 |
|
8.0"/3.0" |
152.4 |
203.2 |
76.2 |
|
8.0"/4.0" |
152.4 |
203.2 |
101.6 |
|
8.0"/6.0" |
152.4 |
203.2 |
152.4 |
|
10.0"/6.0" |
177.8 |
254.0 |
152.4 |
|
10.0"/8.0" |
177.8 |
254.0 |
203.2 |
|
12.0"/6.0" |
203.2 |
304.8 |
152.4 |
|
12.0"/8.0" |
203.2 |
304.8 |
203.2 |
|
2"/2.5" |
76 |
63 |
51 |
|
2.5"/3" |
89 |
76 |
63 |
|
2"/3" |
89 |
76 |
51 |
|
3.0"/3.5" |
89 |
9 |
76 |
|
3.5"/4" |
102 |
102 |
89 |
|
3"/4" |
102 |
102 |
76 |
Universal Fit for car or boats exhaust systems, intake or radiator cooling systems, turbocharger or intercooler piping and etc. Advantage: This silicone intercooler tube reducer use for car engine to effectively improves the performance of the engine cooling system. Replace for your old silicone hose reducer or use to DIY intake or radiator cooling system. Made of 4 layers reinforced polyester and silicone material, it's durable with high temperature resistance. Direct replace and install, convenient to use. Kindly Notes: Please carefully confirm the hose dimension before order. Please allow 1-3mm differences due to manual measurement.
Why Choose Our Straight Reducer Coupler Hose
■ Premium Reinforced Silicone Material
Manufactured from high-quality reinforced silicone, our straight reducer coupler hoses provide excellent heat resistance, pressure resistance, flexibility, and long-lasting durability for demanding automotive and industrial applications.
■ Smooth Diameter Transition
The reducer design allows efficient connection between pipes of different diameters while maintaining smooth airflow and stable fluid transfer, helping improve overall system performance.
■ Built for High Performance Applications
Designed for turbocharger systems, intercoolers, air intake systems, radiator connections, and custom piping setups, our hoses deliver reliable performance under high-temperature and high-pressure conditions.
■ Excellent Durability & Reliability
Compared with traditional rubber hoses, silicone reducer couplers offer superior resistance to aging, cracking, deformation, and extreme temperatures, ensuring a longer service life.
■ OEM & ODM Customization Supported
We provide complete customization solutions, including:
- Custom Sizes & Reducer Dimensions
- Multiple Color Options
- 3 Ply / 4 Ply / 5 Ply Reinforcement
- Custom Logo Printing
- Custom Packaging
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