[REPLACEMENT RADIATOR CAP ] The radiator cap holds the coolant inside the radiator, but it also works as a two-way valve that keeps the right pressure inside so the radiator does it work correctly. Symptoms of a Bad Radiator Cap: air enters the system, low coolant level, coolant leaks, overflowing reservoir, overheating engine. [FITS THESE VEHICLES ] Honda, Acura - Accord, Civic, CRV, Elements, Fit, Odyssey, Pilot, Ridgeline, S2000, MDX, TL, RDX, RL, RLX, TLX, TSX, ZDX [REPLACES PART ] 19045-RAA-003, 19045RAA003, 19045 RAA 003 radiator cap. Professional, style and meet or exceed all equipment performance replacement radiator cap. Constructed with premium materials for durability. [FRIENDLY NOTE ] It is extremely important to always make sure to allow the engine to cool down before removing the radiator cap, as removing the cap from a hot system can cause sudden coolant spray and severe burns. Manufacturer Part Number: 19045-RAA-003 Compatible with the Following Vehicles for: Acura 2013-2014 Acura ILX 2007-2019 Acura MDX 2007-2018 Acura RDX 2006-2012 Acura RL 2014-2019 Acura RLX 2006-2014 Acura TL 2015-2019 Acura TLX 2005-2014 Acura TSX 2010-2013 Acura ZDX Honda 2005-2019 Honda Accord 2010-2011 Honda Accord Crosstour 2006-2015 Honda Civic 2012-2015 Honda Crosstour 2006-2018 Honda CR-V 2007-2011 Honda Elements 2015-2019 Honda Fit 2016-2019 Honda HR-V 2008-2019 Honda Odyssey 2009-2019 Honda Pilot 2009-2014 Honda Ridgeline 2017-2019 Honda Ridgeline 2006-2009 Honda S2000 Material:metal colour:Silver Package Contents: 1 x Radiator Cap Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.