TuoLauthon 5" Silicone Straight Coupler — 5in ID 76mm Length, 4‑Ply Reinforced with Stainless T‑Bolt Clamps

TuoLauthon’s 5-inch straight silicone coupler is a heavy-duty, 4-ply reinforced intake hose engineered to join intercooler, air intake and turbo piping with included stainless-steel T-bolt clamps.

This flexible silicone coupler is sized with a 127 mm (5") inner diameter and a compact 76 mm length, built from four layers of polyester reinforcement for strength and durability. Designed to tolerate a broad range of temperatures and pressures, it offers a robust connection for automotive, marine and industrial airflow systems where petroleum-based fluids are not present. The package ships with two corrosion-resistant stainless T-bolt clamps so you can install the coupler without sourcing additional hardware.

How does this silicone coupler handle extreme temperatures?

The TuoLauthon coupler is formulated to remain stable across wide thermal swings, protecting hose integrity in hot engine bays and cold climates. It resists cracking or softening within its rated temperature window so it maintains a consistent seal and shape during normal duty.

• Operating range from -76°F (-60°C) up to +500°F (+260°C)
• Silicone compound resists thermal aging and hardening
• Four-ply reinforcement helps maintain dimensional stability under heat

What pressure and mechanical strength can I expect?

Constructed with a multi-layer polyester reinforcement, this coupler withstands everyday boost and vacuum loads found in forced-induction and ventilation systems. It's rated for working pressures and includes a bursting margin to reduce the risk of sudden failure under transient spikes.

• Working pressure range: 0.3–0.9 MPa (approx. 43.5–130.5 PSI)
• Bursting pressure: 2.0 MPa for added safety margin
• 5 mm wall thickness for improved puncture and collapse resistance

Will it fit my application and what’s included in the box?

The coupler is a universal straight joiner sized at ID 127 mm (5") and 76 mm long, suitable for matching pipe and hose diameters in many aftermarket or replacement scenarios. It’s not compatible with fuels or other petroleum-based liquids, so use only for air, coolant-free systems or non-petroleum fluids as intended.

• Inner diameter: 127 mm (5") and length: 76 mm
• Includes 2 stainless steel T-bolt hose clamps for a secure, leak-resistant seal
• Not for use with oil, gasoline, diesel, or petroleum-based fluids

Who is this for? Enthusiasts, mechanics and fabricators looking for a compact, durable silicone joiner will find the TuoLauthon 5" coupler well suited for intercooler pipes, air intake systems, turbo plumbing and general ducting where high temperature tolerance and pressure capability are required. The included stainless clamps make it a practical choice for quick replacements or custom installations in automotive, marine and light industrial settings that require chemical compatibility with non-petroleum media.