Engine coolant temperature sensor to suit a wide range of Toyota Hilux and LandCruiser models. This sensor monitors engine coolant temperature and sends a signal to the ECU or temperature gauge, helping ensure correct fuel delivery, engine operation, and cooling system performance. Common replacement for faulty sensors causing incorrect temperature readings, hard starting, poor running, or warning lights. Suits Toyota models including: Hilux: KDN165 KZN165, KZN185 LN147, LN152, LN167, LN172 RZN148, RZN149, RZN154, RZN168, RZN169, RZN174, RZN180, RZN185 VZN167, VZN172, VZN185 LandCruiser: FZJ70, FZJ75, FZJ78, FZJ79, FZJ80, FZJ100, FZJ105 HDJ78, HDJ79 KZJ90, KZJ120 RZJ90, RZJ95, RZJ120 VZJ90, VZJ95 Features: Engine coolant temperature sensing application Direct replacement fit Restores accurate temperature readings Suitable for gauge or ECU input (model dependent) Correct coolant temperature sensing is critical for engine reliability, fuel efficiency, and preventing overheating.