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The Mishimoto thermostatic oil cooler kit for 2023+ Toyota GR Corolla pairs a 14-row dual-pass bar-and-plate cooler with a thermostatic sandwich plate for controlled temperature management. It mounts in the upper grille with direct-fit brackets, adds 0.76 quarts of oil, and includes pre-assembled -10AN braided stainless lines. Dyno-proven to lower oil temps by about 13°F on average and covered by Mishimoto’s Lifetime Warranty.
Mishimoto 2023+ Toyota GR Corolla Oil Cooler Kit - Thermostatic - Black
