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The OHOB-COOL 3.5" to 4" ID Reducer Silicone Coupler is a 4-ply reinforced hose designed for turbo, intercooler, and intake piping. It offers a precise fit with a 3" length and 5mm wall thickness, capable of withstanding extreme temperatures from -76°F to 500°F and pressures up to 0.9MPa. Engineered for industrial hydraulic applications, it combines durability and performance, making it a top choice for automotive enthusiasts and professionals seeking reliable, high-quality hose connections.









| ASIN | B095HNCK8N |
| Best Sellers Rank | #20,400 in Automotive ( See Top 100 in Automotive ) #28 in Automotive Replacement Engine Turbocharger Hoses & Hose Clamps |
| Brand | OHOB-COOL |
| Brand Name | OHOB-COOL |
| Color | Black Reducer |
| Customer Reviews | 4.8 out of 5 stars 526 Reviews |
| Item Length | 3 Inches |
| Item Weight | 0.14 Kilograms |
| Manufacturer | hengxing |
| Material | Silicone |
| Material Type | Silicone |
| Maximum Pressure | 0.9 Kilopascal |
| Nominal Wall Thickness | 5 millimeters |
| Outside Diameter | 94 Millimeters |
| UPC | 645569097735 |
| Unit Count | 1.0 Count |
S**S
Fits perfectly
Now I am able to use new 70mm throttle body and Cai
A**R
Good quality
Exactly what I needed for my intake tube to connect to MAF housing. Quality seems great for the price.
F**.
Great fit for aftermarket charge pipe on n55 bmw
Worked perfect for my charge pipe install on my bmw x5 with a n55 engine
R**R
Very good quality
Very nice construction quality piece
J**Y
Worked well enough
Large side is slightly bigger than 2" but did the job with a clamp, no leaks.
K**K
As expected
As it should be
G**.
Worked As Needed
Used this to connect my dust collection system to a recently acquired Jet bench grinder; it fit as needed, so all good.
J**H
You can see thru it.
Its black and round
Trustpilot
1 day ago
2 weeks ago