This replacement German Seal fits Porsche 911/930 (1978–1989) applications listed in the fitment table below. It seals the mating surfaces to help prevent fluid, air, or vacuum leaks after the repair.Use it when old rubber, paper, or sealing surfaces have hardened, flattened, or begun to leak.Technical Details Manufacturer part number: 99911321840 Type: Seal Application range: Porsche 911/930 (1978–1989) Fitment & CompatibilityUse the fitment table below to confirm year, model, submodel, and application notes before ordering.If you are comparing similar parts, send us your VIN and we will help sort out the correct application. PMB Performance has been working with Porsche parts for more than two decades. Year Make Model Submodel Notes 1989 Porsche 911 Speedster 1987 Porsche 911 Turbo Carrera 1988 Porsche 911 Turbo Carrera 1989 Porsche 911 Turbo Carrera 1978 Porsche 930 1979 Porsche 930