Genuine OEM Porsche Rear Axle Joint Gasket, part number 90133229700. This gasket is specifically designed to seal the rear axle joint, playing a critical role in preventing lubricant leaks and protecting the joint from external contaminants. Its precise fit and material composition are essential for the durability and performance of the drivetrain. Using a genuine OEM gasket ensures the exact specifications required for optimal sealing and longevity.