An Engine Oil Filler Cap is unscrewed from the oil filler opening on the engine block. Once removed, the oil level can be checked using a dipstick. If oil needs to be added, the appropriate amount is poured into the engine through the oil filler opening. After adding oil, the cap is securely screwed back into place, ensuring a tight seal to prevent leaks and contamination.Attributes:• Resistant to oil degradation and deterioration over time.• Designed to securely seal the engine oil reservoir to prevent leaks and contamination.• Capable to withstand the high temperatures and pressure.Applications: An Engine Oil Filler Cap is used to provide a secure and accessible point for adding or replenishing engine oil, ensuring proper lubrication and optimal engine performance.