Coolant Reservoir Cap for Toyota Sienna 2011-2020, Lexus RX350, RX450h 2010-2015, Highlander 2014-2019, Coolant Radiator Overflow Reservoir Cap Replacement 16405-31070 16405-0P040

Coolant Reservoir Cap Coolant Radiator Overflow Reservoir Cap Replacement 16405-31070 16405-0P040 Coolant Reservoir Cap for 2011-2020 Toyota Sienna, 2010-2015 Lexus RX350, RX450h, Highlander 2014-2019, Engine Coolant Radiator Overflow Reservoir Cap Replacement 16405-31070 16405-0P040 Coolant Reservoir Cap 16405-0P040 Compatible with Lexus Toyota 2011-2020 Sienna,2010-2015 RX350 3.5L,2010-2015 RX450h 3.5L Coolant Overflow Reservoir Cap 16405-31070/16405-0P040,Coolant Reservoir Cap Compatible with Toyota Sienna 2011-2020, and Fit For Lexus RX350, RX450h 2010-2015 16405-0P040 Coolant Reservoir Cap Fit for 2011-2017 Toyota Sienna, 2010-2015 Lexus RX350 RX450h Replaces 16405-31070 Coolant Reservoir Cap for Toyota Sienna 2011-2020, for Lexus RX350 RX450h STD|6 Cyl 3.5L 2010-2015, 16405-31070, 16405-0P040

• 【Precise Fitment】 Engineered for a perfect, leak-free seal on specific models: 2011-2020 Toyota Sienna (all trims including LE, SE, XLE) with 2.7L 4-cylinder or 3.5L V6 engines; 2010-2015 Lexus RX350 & RX450h; and 2014-2019 Toyota Highlander with 3.5L V6. Verify your vehicle for assurance.
• 【OEM Replacement】 Directly replaces OE part numbers 16405-31070 and 16405-0P040. Manufactured to meet strict factory specifications for a reliable, hassle-free swap that restores original system performance.
• 【Critical System Protection】 This pressure-rated radiator overflow reservoir cap is vital for maintaining correct cooling system pressure. It prevents coolant boil-over, protects against engine overheating, and acts as a barrier against contaminants.
• 【Durable & Reliable Construction】 Made from high-quality, temperature-resistant materials designed to withstand engine heat and coolant corrosion. Ensures long-lasting durability, a secure seal, and reduces the need for frequent replacement.
• 【Easy to Install】 No tools or mechanics required. Easily replace your old or failing cap in seconds by hand, making routine maintenance or emergency replacement quick and cost-effective.