Applicable Models:Replacement for Ram 2500 1998-2015. Fit Vehicles:Compatible with Ram 3500 1998-2015. Product Advantages :Sianxaido Coolant Temperature Sensor are manufactured from qualitative materials to ensure reliability, durability and performance. Installation method: Directly replace the original parts, easy to operate, convenient installation. Note: Please check the vehicle model, corresponding year, reference number is correct, and the corresponding plug interface part before purchasing. If you have any questions, please tell us. CAUTIONS Pls carefully verify your year & make & model in the product details or check your parts pictures,parts No with ours before purchasing so as to prevent wrong purchasement and unnecessary expenses. If you have any questions,please let us know,we will reply you in 24 hours and offer the solve way for you.