• Made of industrial aluminum material, durable and hardness.
  • Combines a radiator cap with a temperature gauge. Measure coolant temperature to tell if it is safe to open the radiator cap.
  • Prevent leakage while adjusting the pressure balance for the water tank to keep the water level balance.
  • With silicone seal for better adaptation, 100% won’t leak. Direct bolt-on installation. Free you of the worries of engine damage by high water temperature.
  • SIZE: Diameter of Rubber: 29mm; Diameter of Head: 45mm; Height: 21mm. Suitable for trucks.