The Volvo 11034026 Diaphragm Sleeve is a genuine OEM part made by Volvo. This diaphragm sleeve is designed to fit specific Volvo models and is considered a new old stock item, meaning it is a rare find for collectors or individuals looking to replace a specific component in their vehicle. Made to the high standards of quality that Volvo is known for, this diaphragm sleeve is sure to provide reliable performance and durability when used in a Volvo vehicle.