This Car Water Tank Radiator Cap regulates coolant pressure and provides a built‑in temperature gauge for quick checks without starting the engine. It operates within a 0.9–1.3 bar range to balance coolant levels.
Use this cap to manage coolant expansion and contraction during operation. When coolant heats up and expands, the cap vents excess fluid to a secondary tank; as the system cools, the cap allows return flow to restore the water level and prevent vacuum.
- Pressure release at 1.3 bar prevents overflow
- Built‑in temperature gauge shows coolant temperature without engine run
- Silicone inner stopper improves heat resistance and seal
- Universal fit for most car water tanks
- Compact design supports reliable, ongoing cooling management
Specifications: Pressure range 0.9–1.3 bar; Temperature gauge; Silicone inner stopper for heat resistance and sealing.
Fit: Suitable for most standard car coolant reservoirs.
