The Auto Meter Sump Plug Adaptors are designed to convert sump plugs for compatibility with oil temperature gauge sender units. These adaptors are available in multiple sizes, ensuring a reliable fit for various applications.Discover the key features of these adaptors:1/8 NPT Female Thread: This universal thread design ensures compatibility with a wide range of oil temperature gauge sender units, enabling seamless integration and accurate temperature monitoring.Variety of Male Thread Options: Available in M12x1.5, M12x1.75, M12x1, M14x1.5, M10x1, and M16x1.5 threads, these adaptors provide flexibility to suit different vehicle requirements, ensuring a secure and reliable connection to your sump plug.The Auto Meter Sump Plug Adaptors are a practical addition to your vehicle maintenance toolkit, providing a reliable solution for monitoring oil temperature with ease. Their robust construction and range of sizes make them a dependable choice for enhancing your engine's performance setup.