Mazda Miata Thermostat Housing keeps your engine running where it belongs by locking the thermostat and directing the coolant quickly and directly to the radiator, making every trip and weekend track driving a reliable and fun ride. This small chamber is fitted between the upper radiator hose and the cylinder head, making a leak-free bridge in the Mazda cooling circuit where coolant passing through the thermostat circulates until the desired operating temperature is achieved, then exits the system to dissipate the excess heat. As it protects the thermostat against road spray, dirt and vibration, it ensures the readings remain constant; therefore timing and fuel delivery remain accurate, which will result in more pronounced throttle response and extend the life of the parts. NB, NC and ND generations all use the housing, which connects directly to factory points, and can be applied with almost all Miatas manufactured since 1989. The Thermostat Housing has two factory models, a tough metallic unit, which features resistance to warping due to millions of heating and cooling cycles, and a high-grade composite one, which is resistant to corrosion and reduced mass to achieve sharper steering action. Each of these forms employs sealing lips that are machined and a hose angle that has been tuned to guarantee rapid fitment and a drip-free connection between two sides that safeguard belts and delicate electronics below. These design options allow every Mazda engine to warm-up quicker, reduce hot spot spikes, and stay in its power band longer, enhancing efficiency and safety in spirited and solo miles. It is tested to high standards of Mazda and sustains extreme changes in temperature without breaking or bending. The Thermostat Housing is truly a unique product in a market of thermostats since it is a space-saving package, versatile in material, and has proven factory life, so far it is a silent but vital protector of the heartbeat of all the spirited Miata roadsters.
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