Upgrade your diesel engine's performance with the Simms/Minimec 503673, 512506-53 diesel injection pump element, designed specifically for Minimec and Ford applications. The element features an 8.5mm plunger diameter and is crafted for left-hand rotation, ensuring a precise fit and optimal functionality for your vehicle. Manufactured in the United Kingdom, this genuine Simms/Minimec part, interchangeable with part number 512506-53, is not a universal fitment, which means it's tailored for specific diesel models, ensuring compatibility and reliability. This vital component is essential for maintaining the efficiency and power of your diesel fuel system.