AotoKoop 90° Reducer 4-Ply Black Silicone Elbow for High-Performance Turbo Intercooler Systems

Precision 90-Degree Silicone Elbow: Features a 3.5" to 4" (89mm-102mm) reducer design with 5" legs for optimal fitment in tight engine bays.
Robust 4-Ply Silicone Construction: Reinforced with 0.2" thick nylon for superior strength, handling 85 PSI working pressure and 245 PSI burst pressure.
Extreme Environment Silicone Hose: Offers excellent temperature resistance from -60°C to 220°C and stability against UV, ozone, and oxidation.
Complete Turbo/Intercooler Solution: Ideal as a high-performance intake hose, intercooler pipe, or radiator tube coupler.

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.

All silicone coupler with T-Bolt Clamps 2pcs

except straight & straight reducer hose.

AotoKoop 4-Ply 90 degree silicone coupler

Include: 90 degree, 90 degree reducer; wall thickness: 4-Ply, 5mm
Leg length: ID 1.5"-3", length 4" (102mm); ID 3.5"-4.5", length 5" (125mm)
Package include:1 coupler + 2 stainless steel clamps
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; Wall thickness: 4-Ply, 5mm
Leg length: ID 1.5"-3", length 4" (102mm); ID 3.5"-4.5", length 5" (125mm)
Package include:1 coupler + 2 stainless steel clamps
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
Package include:1 coupler
Wall thickness: 4-Ply, 5mm
Length: 3" (76mm)
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
Package include:1 coupler
Wall thickness: 4-Ply, 5mm
Length: 3" (76mm)
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 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-temp

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.

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 is the typical application of the AotoKoop 90 Degree Elbow Reducer silicone coupler?

The AotoKoop 90 Degree Elbow Reducer silicone coupler is designed for automotive turbo intercooler, radiator, and intake hose connections. Its 4-ply reinforced silicone coupler construction enables high-temperature and pressure resistance, ideal for turbocharger systems and custom piping in performance vehicles.

Can AotoKoop provide custom sizes or bulk orders for silicone hose fittings?

Yes, AotoKoop supports bulk orders and custom production for various automotive silicone hoses and silicone hose fittings. Customers seeking specific dimensions or configurations for industrial applications are encouraged to contact the company directly to discuss tailored solutions and volume pricing.

What installation accessories come with the 90 Degree Elbow Reducer Black Silicone Coupler Hose?

The product includes two stainless steel clamps designed for secure, leak-free installation. This ensures compatibility with common clamp hardware used in automotive piping, simplifying mounting and maintenance of the silicone coupler under demanding engine bay conditions.

How should the silicone coupler hose be maintained to ensure long-term durability?

The hose’s 4-ply silicone structure offers resistance against UV, ozone, water, and oxygen, which prolongs functional life. Regular inspection for wear and clamp tightness is recommended to prevent leaks. Maintaining proper fitment during engine heating and cooling cycles ensures the durability of the silicone hose fittings and system reliability.