19109-PH1-620 Radiator Coolant Reservoir Overflow Tank Cap Compatible with 1985-1989 2001-2012 2022-2024 Honda Accord Civic CR-V HR-V Prelude Acura EL RDX RSX Replaces # 19109PH1620 54227

When Should I Replace My Engine Coolant Reservoir Cap? - The radiator cap is a sealing cap installed on the radiator or expansion tank filler port, it is not only a simple cap, but also has a pressure regulating function and is an important part of the cooling system. If your car is experiencing problems such as coolant leaks, engine overheating, abnormal cooling system pressure, and a deteriorated or damaged radiator cap, you may need to replace your coolant cap.Replacement Part Numbers - 19109-PH1-620, 19109PH1620, 54227. Please check the detailed description or enter Year/Make/Model to check your compatibility before purchasing this expansion tank cover.Compatible with Select Honda Models - 1986 - 1989 Honda Accord, 2001 - 2005 Honda Civic, 2022 - 2023 Honda Civic, 2002 - 2004 Honda CR-V, 2023 - 2024 Honda HR-V, 1985 - 1987 Honda Prelude.Compatible with Select Acura Models - 2001 - 2005 Acura EL, 2007 - 2012 Acura RDX, 2002 - 2006 Acura RSX.Direct Replacement - Perfect match, direct replacement. This washer fluid tank cap is made from premium materials to ensure superior quality and long-lasting performance. This is not a genuine part, but an aftermarket replacement. We have strict quality control standards to ensure high performance. If you have any questions or concerns, please feel free to contact us.