Straight Silicone Coupler Hose for Automotive Engine Turbo Radiator Intercooler Intake Hose

Size: Inner Diameter 2 inch Straight Coupler Hose; Length 3” (76mm), red automotive high performance 2 inch intercooler silicone hose; Size tolerance: +/- 0.5MM
Reinforcement: 4-Ply Nylon 0.2” (5mm) thickness; working pressure 85 PSI / burst pressure 245 PSI
Material stability: Superb resistant to UV, water, ozone, oxygen and high temperature automotive pure silicone hose
Temperature resistance: -60 to 220 C (-76 to 428 F) high temperature silicone hose
AotoKoop silicone product series: include general car silicone hose, different types of radiator tube hose, Coupler & Turbo intercooler pipe, Intake piping, etc

SKU: ST-34bk

Description

Automotive Modification Part Center.

AotoKoop 4-Ply High Performance Silicone Hose

We have a universal automotive silicone hose manufacture factory, and have production experiences. we prove car modification replacement part for car modification fans.

Silicone hose include 3/4 layers car turbo engines silicone products, and customize universal automotive replacement parts. Our products include general car silicone tube, different types of radiator silicone tube, Coupler & Turbo intercooler pipe, etc.

Car modification replacement parts include: automotive engine replacement parts, engine room replacement parts (include air filter, sandwich adapter plate kit, etc.), wheel lug nuts, wheel spacers, car oil pipe adapter, cab replacement parts (Gear Shift Extender Kit etc.); and car decoration Accessories, etc.

Coupler spec as below:

Size (mm)	Size in inch	Ply	Thickness (mm)
34	1-3/8	4	5 Length:76mm
38	1.5
45	1.75
51	2
57	2.25
60	2-3/8
64	2.5
70	2.75
76	3
80	3-1/8	4	5 Length:102mm
84	3.3
89	3.5
102	4
114	4.5

AotoKoop Products Advantage:

4-Ply Strong structure

Protect the hose from abrasion

100% High quality silicone tube & cover with 4-Ply polyester/aramid/glass fiber reinforcement High abrasion and temperature resistance.

high tem

Mutipile types

Choose various sizes and colors

There are optional inner diameter, thickness, length & bending degree in terms of size.

You can also choose different colors to match your cars.

T silicone

Superior ability

Work well in cars systems

The hose has lasting physical laziness and good air permeability, which can ensure air transmission with high efficiency and long-term operation.

All silicone coupler product with T-Bolt Clamps 2pcs. (except straight & straight reducer hose)

High performance-A+

High performance for most car

AotoKoop silicone elbow hose is usually used for Heating and Cooling Systems, CAC Charge-Air-Cooler (Hot & Cold side) Turbo Charger Systems and Custom Compressor, Intercooler or Intake & Inlet Piping for turbo / Superchargers and so on.

AotoKoop 4-Ply 90 degree silicone coupler

Include: 90 degree, 90 degree reducer
Three colors: blue, black, red
90 degree size include: ID 1.5" / ID 2" / ID 2.5" / ID 3" / ID 3.5" / ID 4" / 4.5"
90 degree reducer size include: ID 1.5" to 2" / ID 1.5" to 2.5" / ID 2" to 2.5" / ID 2" to 3" / ID 2.5" to 3" / ID 2.5" to 3.5" / ID 3" to 4"

AotoKoop 4-Ply 45 degree silicone coupler

Include: 45 degree, 45 degree reducer
Three colors: blue, black, red
45 degree size include: ID 1.5" / ID 2" / ID 2.5" / ID 3" / ID 3.5" / ID 4" / 4.5"
45 degree reducer size include: ID 1.5" to 2" / ID 1.5" to 2.5" / ID 2" to 2.5" / ID 2" to 3" / ID 2.5" to 3" / ID 2.5" to 3.5" / ID 3" to 4"

AotoKoop straight silicone coupler hose

Three colors: blue, black, red
Straight hose size include: ID 1.5" / ID 2" / ID 2.5" / ID 3" / ID 3.5" / ID 4" / 4.5"

AotoKoop straight reducer silicone coupler hose

Three colors: blue, black, red
Straight reducer hose size include: ID 1.5" to 2" / ID 1.5" to 2.5" / ID 2" to 2.5" / ID 2" to 3" / ID 2.5" to 3" / ID 2.5" to 3.5" / ID 3" to 4"

90 degree silicone elbow

45 degree silicone elbow

Straight silicone hose

Straight reducer silicone hose

AotoKoop straight silicone hose

Include: straight silicone, straight reducer hose, straight hump hose.

Silicone hose feature:

AotoKoop silicone hoses are handcrafted engineering silicone with 4-ply reinforced polyester. It is far more superior than original (stock) rubber hoses in terms of reinforcement, temperature resistance, burst pressure tolerance, and material stability.

Reinforcement : 4-ply polyester mesh construction (5mm wall thickness); or for smaller diameter hoses is 3-ply polyester mesh construction (4mm wall thickness)
Temperature resistance : -60 to 220 Celsius ( -76 to 428 F)
Burst pressure tolerance : 6 Bar (88 psi)
Material stability : Superb resistant to UV, water, ozone and oxygen
AotoKoop Silicone Coupler length more longer than normal product, make the installation more steady and safely

FAQ

What materials are used in AotoKoop’s silicone couplers?

AotoKoop’s silicone coupler hoses are made from 4-ply reinforced silicone with polyester layering, ensuring durability, high temperature tolerance (-60 to 220°C), and resistance to UV, ozone, and water—ideal for demanding automotive environments requiring reliable silicone coupler fittings.

Can I request custom sizes or colors for the silicone hose couplers?

Yes, AotoKoop offers multiple inner diameter, length, and bend degree options for our silicone coupler products. Color choices include blue, black, and red, allowing buyers to tailor hoses for specific engine bay configurations and performance requirements.

Are clamps included with the straight silicone coupler hose purchase?

Most silicone couplers from AotoKoop include 2 pieces of T-bolt clamps for secure installation; however, straight and straight reducer variants typically do not come with clamps. Confirm clamp inclusion when ordering to ensure compatibility with your setup.

How should I maintain the silicone hose couplers for long-term performance?

To maintain optimal function of the silicone hose couplers, regularly inspect for physical damage or leaks. Their 4-ply reinforced construction resists abrasion and heat cycles, but proper installation with included clamps and avoidance of sharp bends will extend service life and performance reliability.