2 3/4", 2.75" (70mm) Straight Coupler Hump Silicone Hose
Size: ID75/80mm Length142mm
Thickness: 5mm
Shape: hump
Surface: Wrapped or Smooth
Reinforcement: 3-4 Ply Polyester Reinforced
Color: red,blue,black or any other you need
Working temperature: -40 to 260 degree
We enhance product quality in order to continuously meet the growing market demand for high-quality PVC Spiral Hose, Flexible PVC Electrical Conduit Hose, 3 Inch Flexible PVC Spiral Water Pump Suction Hose. Innovation is our eternal corporate culture gene. We consider environmental protection as our responsibility to the society and innovation as the driving force of our sustainable development. For many years, our company adheres to the business tenet of 'people-oriented', establishes the human resource development mechanism of seeking, employing, educating and retaining people, forms a good human resource development and management system and strives to build a learning organization and a combat team. Our company has a broader strategic vision, more energetic technological innovation, leaner production management, and more standardized and efficient business operation.
Product Description:
Characteristic:
1.Good electrical insulating performance
2.No taste, no toxic, eco-friendly.
3.Having physical laziness,Good air permeability
4.We offer OEM/ODM, We can 3D design, produce according to your drawings.
Construction:
Inner:100% High quality silicone Cover:silicone
Reinforcement: 3-4 Ply Polyester Reinforced
Color: red,blue,black or any other you need
Product parameters
Hump Hose Reducer | ||||
| Part No. | Inner Diameter | WALL | PLY(≥) | |
Inch | mm | mm | ||
HK-HS-051 | 2 | 51 | 5±0.2 | 4 |
HK-HS-060 | 2-1/3 | 60 | 5±0.2 | 4 |
HK-HS-064 | 2-1/2 | 64 | 5±0.2 | 4 |
HK-HS-069 | 2-5/7 | 69 | 5±0.2 | 4 |
HK-HS-076 | 3 | 76 | 5±0.2 | 4 |
HK-HS-079 | 3-1/9 | 79 | 5±0.2 | 4 |
HK-HS-080 | 3-1/7 | 80 | 5±0.2 | 4 |
HK-HS-082 | 3-2/9 | 82 | 5±0.2 | 4 |
HK-HS-085 | 3-1/3 | 85 | 5±0.2 | 4 |
HK-HS-089 | 3-1/2 | 89 | 5±0.2 | 4 |
HK-HS-102 | 4 | 102 | 5±0.2 | 4 |
HK-HS-108 | 4-1/4 | 108 | 5±0.2 | 4 |
HK-HS-110 | 4-1/3 | 110 | 5±0.2 | 4 |
HK-HS-120 | 4-5/7 | 120 | 5±0.2 | 4 |
HK-HS-127 | 5 | 127 | 5±0.2 | 4 |
HK-HS-152 | 6 | 152 | 5±0.2 | 4 |
Application: 1.Heating and Cooling Systems 2. CAC Charge-Air-Cooler (Hot & Cold side) 3.Turbo Charger Systems & Custom Compressor, 4.Intercooler or Intake & Inlet Piping for Turbo/Superchargers. etc. | ![]() |
FEATURES:
[High Quality]Our silicone products meet and exceed SAE J20 industry standards, ideal for heavy duty pressure connections and provides excellent resistance for high temperature applications.
[Broad Application] 3-4-Ply Hose for the most demanding applications and is able to withstand high boost pressure.Great for marine and industrial use, custom turbo, DIY intake or radiator cooling system. Perfect for air intake, intercooler hose and other turbo applications
[Great Resistance] Compensates for misalignment and offsets vibration; UV and ozone resistant
[Excellent Service]HAIKUO are dedicated to strict quality control and thoughtful customer service. Your inquiry is warmly welcome. If you have any questions, feel free to contact us. Our professional sale team will reply you within 24 hours.
FAQ
Q: How does your factory do regarding quality control?
A: we have quality control plan to control every step of the production. From material to packing, every step has 2 person together finishes. One do, another inspect.
Q: How can I believe your hose quality is good?
A: Our brand sterling is our mission, we did emphases quality firstly and dedicate to be a high rank brand. From our production details, you can get to know we are like what we did. Furthermore, we can offer you free samples for checking, and after bulk production, we can supply you the production sample.
Q: Can I get a free sample?
A: Yes,we always prepare sample for customer get to know our auto hose quality, the regular piece sample is free.
Q: How can I start to order?
A: Firstly, you can talk online with our sales rep. most of them are very experienced to guide you from your request to a price offer. If the price benefits you, we can offer you samples to test the quality. After, you can discuss delivery time, logo print,package etc, until every details is fine, you can place the order.
Q: How do we check if the goods are in good condition before packing and shipping?
A: Before shipping, we will send the pictures to you. And check that everything is normal, then we pack and ship. This is our responsibility to every customer.


Our overall process of 2 3/4", 2.75" (70mm) Straight Coupler Hump Silicone Hose has reached the world's advanced level, thus the development of related industries will be promoted. The company combines Chinese cultural traditions with market needs, recreates a social concept with Chinese characteristics, and further improves product design in response to customer needs. The company is trusted by many customers for its superior products and high quality after-sales service.
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