This is a genuine TOYOTA replacement part, specifically the Urea Tank Cap Assembly (ZA). Designed to meet the exact specifications of your TOYOTA vehicle, this cap ensures a proper and secure seal for the urea tank. A faulty or missing urea tank cap can lead to contamination of the diesel exhaust fluid (DEF) or allow evaporation, potentially affecting your vehicle's emissions system performance and triggering warning lights. Replacing your urea tank cap with this OEM part guarantees compatibility and maintains the integrity of your vehicle's selective catalytic reduction (SCR) system, crucial for reducing harmful emissions.
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