Turbosmart genuine spares and accessories are produced in order to ensure the longest possible service life for your favourite Turbosmart gear. These spares and accessories are not an afterthought, they are the components Turbosmart use in the hand assembly of your product, simply made available as a product you can use yourself to update, service or rebuild your Turbosmart product. Replacement Stainless Steel 44 micron Filter Elemenet, Suitable for OPR Turbosmart Oil Pressure Regulators Turbocharger Oil Supply Filter NOTE: Does not suit Turbosmart OPRt40