Set up in 1995, Tonglu Valves Manufactring Co.,Ltd. is one of the leading China radiator hose manufacturer and supplier in Yongjia County of Zhejiang Province. We manufacture all products strictly conforming to the API, JIS, ANSI, BS, GB, NF and DIN standards. Our oem radiator hoses are available to users on request and are used for municipal works, petroleum, chemical industry, power station, metallurgy, national defense, and scientific research fields.

An oil cooler and a radiator hose are combined in an all polymer structure. Generally concentric hoses provide two coolant paths with the wall of the inner hose providing heat transfer from one fluid to the other. The hoses are flexible or can be formed to conform to desired radiator hose routing. The hoses have deflectable vanes extending from their walls into the fluids to flex according to flow rate. The vanes induce turbulence to improve the thermal transfer especially at low flow rates but deflect at high flow rates to minimize pressure drop due to the vanes.
Greddy Water Temp Radiator Hose Adapter allows the use of Greddy's temperature gauges without major modifications. The adapter is installed inline to your radiator hose and the Greddy sensor screws on to the side to read the water temperature. There is no known application list, so please measure the inner diameter of your hose before ordering. Also, this adapter works with Greddy sensors only. It is possible to retap the adapter to fit larger sensors.

Keeping your Subaru WRX and STI engine bay dressed up is just as important as having the engine running cool. Agency Power has just released their 2 piece silicone radiator hose kit for the 2002 and up WRX or STI cars. These silicone radiator hoses are designed to add powerful style to your engine bay in blue or red. This silicone hose kit is much more durable then your factory rubber hoses and will last the life of your car. Factory rubber hose crack and deteriorate over time. These radiator hoses will keep your coolant flowing properly and the engine temps down as they are thicker and insulate better then the factory ones. In addition, all Agency Power silicone hoses include new hose clamps for a secure and easy fit instead of the factory clamps. Hoses work with factory or aftermarket radiators.

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