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The Mishimoto silicone radiator hose kit for 2010–2013 Mazdaspeed3 includes upper and lower radiator hoses plus expansion tank hoses and nine worm-gear clamps. Each hose uses five-layer silicone with heat-resistant embedded fibers to improve durability, heat tolerance, and pressure resistance compared with rubber. The kit maintains stock routing and fitment while upgrading long-term reliability.
Mishimoto 10-13 Mazdaspeed 3 2.3L Black Silicone Hose Kit
