16405-0P040 Coolant Reservoir Cap Fit for 2011-2017 Toyota Sienna, 2010-2015 Lexus RX350 RX450h Replaces 16405-31070

Replacement Part Number: 16405-0P040,16405-31070 Fitment: Compatible with 2011-2017 Toyota Sienna LE, SE, STD, XLE|4 Cyl 2.7L, 6 Cyl 3.5L Compatible with 2010-2015 Lexus RX350 STD|6 Cyl 3.5L Compatible with 2010-2015 Lexus RX450h STD|6 Cyl 3.5L

• 【Replace Part number】16405-0P040,16405-31070. Build to factory original quality OE specifications, Make sure you use it for durable and reliable. Direct replacement, easy to install.
• 【Wide Compatibility】Coolant Reservoir Cap Fit for 2010-2015 Lexus RX350 STD|6 Cyl 3.5L, 2010-2015 Lexus RX450h STD|6 Cyl 3.5L. Fit for 2011-2017 Toyota Sienna LE, SE, STD, XLE|4 Cyl 2.7L, 6 Cyl 3.5L.
• 【Premium Material】16405-0P040 Coolant Overflow Reservoir Cap is made of high-quality materials with good sealing performance, effectively preventing coolant leakage and ensuring the regular operation of the cooling system, thus prolonging the engine's service life.
• 【Maintain cooling system pressure】This coolant reservoir cap can regulate the internal pressure, effectively preventing the coolant from boiling and damage to the cooling system due to excessive pressure, ensuring that the engine runs at the optimal temperature and improving overall performance.
• 【High-Performance】The 16405-0P040 Coolant Overflow Reservoir Cap prevents coolant from spilling out due to sloshing or evaporation, ensuring the coolant remains at the proper level and as a barrier against dirt, debris, and other contaminants, keeping the coolant clean and maintaining the system’s integrity.Regular maintenance,is essential to ensure its proper function,ensure a secure, airtight connection.