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Keep your Civic X’s cooling system pressurized and leak-free with this high-quality Radiator Bottle Tee. Specifically engineered for the 2016–2018 Honda Civic, this imported replacement part solves the common issue of the factory plastic connector cracking under high engine heat.
This “T” connector is located in the upper engine compartment. It sits inline with the small rubber overflow hoses that connect the Radiator Filler Neck to the Coolant Reservoir (Expansion Bottle). It is typically secured by small hose clamps and a single mounting bolt (as seen in the mounting hole in the image).
This part acts as a distribution hub for your coolant overflow system:
Directs Flow: It manages the path of excess coolant and air between the engine and the reservoir bottle.
Pressure Regulation: It helps maintain the vacuum needed to pull coolant back into the radiator as the engine cools down.
Secure Mounting: Unlike universal “Ts,” this specific model features a fixed mounting eyelet to keep the hoses from vibrating or rubbing against other engine parts.
Reinforced Heat Resistance: Made from high-temp industrial polymer to withstand the intense heat cycles of the 1.5L Turbo and 2.0L engines.
Direct Fit Replacement: Matches the exact dimensions of the Honda OEM part for a leak-proof connection with your existing hoses.
Corrosion Proof: Unlike metal alternatives, this high-grade plastic won’t rust or react with your antifreeze/coolant.
Preventative Maintenance: Replacing a discolored or brittle Tee now can save you from an expensive engine overheat and breakdown later.
Vehicle Compatibility: Honda Civic (2016, 2017, 2018) – All Trims (Sedan, Coupe, Hatchback).
Material: High-Strength Synthetic Polymer.
Origin: Premium Imported (China).
Design: 3-Way Connector with Integrated Mounting Hole.
The original Honda part is known for becoming fragile after 3–5 years of use. Our Imported China version offers a cost-effective, durable solution that meets or exceeds the performance of the original factory part, ensuring your Civic stays on the road longer for less.
