Proton Exora, Saga BLM, Preve, Suprima S, Persona, Iriz, Inspira and Gen-2 Washer Tank Cap (PW990539), Penutup Tangki Air Wiper is designed to securely seal the washer fluid tank to prevent leakage, dirt, and contamination. A properly fitted cap helps maintain clean washer fluid for effective windshield cleaning during rain, dust, or road dirt conditions. Manufactured according to OEM specifications, this washer tank cap is made from high-quality automotive-grade plastic for durability and resistance to heat, vibration, and daily engine bay conditions. It provides a tight and secure fit to ensure the washer system remains properly sealed. The direct-fit design allows easy installation without modification. Suitable for Proton Exora, Saga BLM, Preve, Suprima S, Persona, Iriz, Inspira and Gen-2 models. Direct replacement washer tank cap designed to match original factory specifications for reliable sealing performance and long service life. A missing or damaged cap can cause washer fluid contamination, evaporation, or leakage, reducing washer system efficiency and affecting driving safety. Replacing it helps restore proper sealing and ensures clean washer fluid for consistent spray performance. Please verify your vehicle model before purchase to ensure compatibility. Warranty coverage is limited to manufacturing defects only. Damage caused by improper installation, misuse, or wear and tear is not covered. Professional installation is recommended if you are unsure about fitment. Keep your Proton washer system in top condition with a quality OEM Washer Tank Cap from ATM Auto. Contact us today for stock availability and support.