3.5" to 4" Silicone Reducer Hose – 4-Ply Reinforced Straight Coupler (3" Length)

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3.5" to 4" Silicone Reducer Hose – 4-Ply Reinforced Straight Coupler (3" Length)

Connect different diameter piping with our 3.5" to 4" silicone reducer hose. 4-ply reinforced construction handles high boost and temperature. Universal fit for turbo, intercooler, intake, and cooling systems.

⚠️ IMPORTANT – Select Your Size
This listing is for 3.5" ID to 4" ID, 3" length. Please verify your piping dimensions before ordering. We offer a wide range of sizes – see options above.

Key Features:
- Size: 3.5" ID to 4" ID reducer. Length: 3 inches (76mm).
- 4-Ply Reinforcement: Made with 4 layers of high-quality polyester and pure silicone for superior strength and durability.
- High-Temperature Resistance: Working temperature range: -60°F to 350°F (-51°C to 177°C).
- High Burst Pressure: Rated at 140 PSI – handles high-boost turbo applications.
- Universal Application: Ideal for turbocharger, intercooler, intake, exhaust systems, marine, and industrial use.
- Durable Construction: Resists cracking, warping, and heat damage over time.

Product Specifications:
- Inlet ID: 3.5 inches (89mm)
- Outlet ID: 4 inches (102mm)
- Length: 3 inches (76mm)
- Reinforcement: 4-Ply Polyester
- Material: High-Grade Silicone
- Color: Black
- Working Temperature: -60°F to 350°F
- Burst Pressure: 140 PSI

Common Applications:
- Turbocharger to intercooler piping
- Intake system connections
- Exhaust system reducers
- DIY radiator and cooling system projects
- Marine and industrial equipment

Why Choose ETL Industries?
- US Ready Stock: Most orders ship same day from our US warehouse.
- Fast Delivery: 3-5 business days to most US addresses.
- Premium Quality: 4-ply reinforced silicone for durability and performance.
- 1-Year Warranty: We stand behind our products.
- 24/7 Support: Installation help, replacement – we're here to help.

Free shipping on all orders. US stock ready to ship.