Order Oil cap. Find Oil filler cap & Engine oil cap. Shop Oil reservoir cap. Discover engine oil cap replacement. Locate oil cap near me. Maintaining your car's oil cap is essential for engine health; a cracked cap or one with a deteriorated seal can lead to oil leakage and contamination. Look for telltale signs such as oil splatter around the engine or a persistent burning oil smell, indicating it's time for a replacement. When choosing a new oil cap, consider compatibility with your vehicle model, the durability of materials like high-quality plastics or metals, and features like easy-grip designs or built-in locks for added security. Correct installation is straightforward—simply twist off the old cap and screw the new one on firmly to ensure a proper seal. Shop our selection of premium oil caps to keep your engine running smoothly.