This is a genuine VICTOR REINZ oil filler cap, part number 71-10838-00. Designed to provide a secure and leak-free seal for your engine's oil system, this cap is essential for maintaining optimal engine health and preventing oil loss. Crafted with quality materials, this cap ensures durability and a long service life, even under demanding engine conditions. Proper sealing of the oil filler neck is crucial to prevent dirt, debris, and moisture from entering the engine, which can lead to premature wear and costly repairs. Replacing a worn or damaged oil filler cap with this VICTOR REINZ component will help maintain the integrity of your engine's lubrication system. It is a straightforward replacement that offers peace of mind and contributes to the overall performance and longevity of your vehicle.