This is a genuine CORTECO oil filler cap, part number 026303P. It is designed to provide a secure and leak-free seal for your vehicle's engine oil system. Properly sealing the oil filler cap is crucial for preventing oil leaks, contamination from external debris, and maintaining optimal engine performance. This cap is manufactured to meet CORTECO's high standards for durability and fitment. Ensure your engine is protected with this quality replacement part. It is a direct fit for compatible models, making installation straightforward.