This aftermarket-exclusive valve maintains a continuous flow of coolant through the engine block. Symptoms of a failed coolant bypass valve include small leaks and internal electronic failure, resulting in illumination of the check engine light. This part restores optimal vehicle performance. Product Features:Direct replacement for original equipmentIdeal replacement part for protecting your vehicle from costly engine damageThe valve prevents slow engine warm-up, keeping the vehicle in proper working orderThis part has undergone extensive vehicle try-on and durability testing to ensure strength, fitment and longevity