Top 9 4in to 3.5 Coupler – Automotive Replacement Engine Turbocharger Hoses & Hose Clamps

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HEAAEH RACING 90 Degree ID 3.5 Inch to 4.0 Inch 4Ply Reducer Silicone Hose Black 89-102MM

HEAAEH RACING #ad - Thickness=4. 5-5mm, layers=4ply, leg Length=100mm from center point to end. Bursting pressure: 2Mpa(300PSI). Id= 3. 5 inch to 4 inch, 89mm-102 MM. Working temperature: -76 f -60 c to +500 F +260 C. Working pressure: 03mpa to 09mpa.
ManufacturerHEAAEH RACING #ad
Height4 Inches
Length6 Inches
Weight0.36 Pounds
Width6 Inches
Part NumberUSJX01C-BK

2. Taukealugs


Straight Reducer Coupler Silicone Hose ID 3.5inch to 4inch 4-Ply with Stainless Steel T-Bolt Clamp for Turbo/Intercooler/Intake Piping

Taukealugs #ad - 4-ply reinforced high temperature Silicone Coupler and The hose material is high quality silicone, many color and size to choose. Min temperature: -60 c/-140 f. Max temperature: 230 c/428 F. Bursting pressure: 2MPA. Length 3" 76mm, Thickness: 5mm. Perfect for air intake, intercooler piping and other turbo applications. Coupler size: 3. 5 to 4 inches89mm to 102mm, Made of High Temp Reinforced Pure Silicone. Includes 2pcs Stainless Steel T-bolt clamps.
BrandTaukealugs #ad
ManufacturerTaukealugs #ad
Part Number?YHGFDHS0595Z

3. XtremeAmazing


XtremeAmazing 4 Inch to 3.5 Inch Black Silicone Reducer Coupler Turbo Pipe with 2Pcs T-Bolt Clamps

XtremeAmazing #ad - Suitable for air intake, intercooler piping and other turbo applications. Package contents: 1 x reducer Coupler Turbo Pipe, 2 x T-bolt clamps. Coupler size: 3. 5 to 4 inches / 89 to 102mm. Temperature: -40℃ to 260℃. Working pressure: 03 mpa(43. 5 psi)to 09 mpa(1305 psi).
BrandXtremeAmazing #ad
ManufacturerXtremeAmazing #ad
Part NumberXA090762435



3.5 to 4 inch Silicone Reducer Straight Coupler Hose,ID 4″ to 3.5″102-89mm,Length 3″(76mm,4-Ply Reinforced Turbo/Intercooler/Intake Piping Reducer Coupler Industrial Hydraulic Hoses 89-102, Black

OHOB-COOL #ad - Pressure resistance:03mpa to 09mpa43. 5 psi to 1305psi. Temperature resistance: -76F to 500F -60C to 260C. Inner diameter : 3. 5″ to 4″(89-102mm, length: 3″76mm, black. Universal application for 3. 5 to 4 inch silicone Straight Coupler Hose, intercooler piping, turbo inlet/outlets. Thickness: 5. 4mm, layers: 4ply.
BrandOHOB-COOL #ad
Manufacturerhengxing #ad
Part NumberID89-102

5. Spectre


Spectre Performance 9741 Black 4" x 3.5" Intake Coupler

Spectre #ad - Connect any 4 inch outside diameter component or air intake tube with a 3 1/2 inch outside diameter. Available in both red and black PVC. Comes complete with 2 Stainless steel worm gear hose clamps. Not for turbo-charged/supercharged engines.
BrandSpectre #ad
ManufacturerSpectre #ad
Height4 Inches
Length6 Inches
Weight0.5 Pounds
Width4 Inches
Part Number9741
Warranty3 Months

6. Ucreative


Ucreative 4-Ply Straight Coupler Silicone Hose ID 3.5 inch to 4.0 inch 89mm to 102mm Black

Ucreative #ad - Package include: 1x Silicone Hose. Max temperature: 230 C/428 F. Min temperature: -60 c/-140 f. Length: 3 inch76mm. Inner diameter: 3. 5 inch to 4. 0 inch 89mm to 102mm. Silicone 4-Ply 5mm thickness. Universal application for straight connecting turbo piping or intake piping. Bursting pressure: 2MPA.
BrandUcreative #ad
ManufacturerUcreative #ad
Part NumberU-BJ-ZG-5163

7. Mishimoto


Mishimoto MMCP-3540BK 3.5" to 4" Silicone Transition Coupler, Black

Mishimoto #ad - Length: 3” thickness: 4mm id: 3. 5” od: 3. 7” id: 4" od: 4. 2”. High heat and pressure tolerances. 100% silicone construction. Heat-resistant embedded fibers.
BrandMishimoto #ad
ManufacturerMishimoto #ad
Height3 Inches
Length1 Inches
Width2 Inches
Part NumberMMCP-3540BK
WarrantyLifetime Warranty



90 Degree Elbow Reducer Coupler, Universal Automotive Silicone Hose,Black, AC PERFORMANCE ID 3.5" to 4" 89mm to 102mm, 4-Ply Reinforced, Wall Thickness 0.2" 5mm, Leg Length 3.5" 90mm

AC PERFORMANCE #ad - Great for marine and industrial use, custom turbo or intercooler piping fabrication, DIY intake or radiator cooling system UV and ozone resistant. Broad operation temperature : -76F to 374F -60C to 190C. 4-ply polyester reinforcement construction. 02inch 5mm wall thickness. 80 psi maximum pressure rating. No logo, 90 degree elbow reducer, black, id 3.5" to 4" 89mm to 102mm, made of High Temp Reinforced Silicone.
ManufacturerAC PERFORMANCE #ad
Height2 Inches
Length5 Inches
Weight0.02 Pounds
Width5 Inches
Part NumberSP90-350-400_BK

9. TuoLauthon


TuoLauthon 3.5 to 4 inches Black Silicone Reducer Coupler with 2 T-Bolt Clamps 4 Layers of Polyester Reinforcement Suitable High Level Turbo Pipe

TuoLauthon #ad - High performance:Perfect for air intake, intercooler piping and other turbo applications. High quality Coupler:4-ply Polyester Reinforced. Attention:temperature rating of 428 Degrees F 220 Degree C. High quality clamps:Includes 2 T-bolt clamps. Multiple choices: tuoLauthon Couplers have diffrent kinds of Sizes for meeting your needs.
BrandTuoLauthon #ad
ManufacturerTuoLauthon #ad
Part NumberUW-HS3-0595-Z