This Bosch relay is a direct-fit electrical service part for Porsche 356A, 356B, 356C, and 356SC applications listed in the fitment table below. Bosch has been a global leader in automotive technology since 1886, pioneering innovations like electronic fuel injection and oxygen (lambda) sensors that shaped modern engine management. Today, Bosch supplies OEM-quality sensors, engine electronics, ignition components, and braking parts found in vehicles worldwide. Known for precision engineering and reliable performance, Bosch parts are built to factory specifications for dependable fitment and long-term durability.Technical Details Manufacturer part number: 0-986-AH0-611 Type: 6V / 20 Amp / 5-pin relay Cross reference: PCG61510100 Service note: Commonly referenced as a hard-start or horn relay depending on application Fitment & CompatibilityUse the fitment table below to confirm year and model coverage before ordering. Check trim-specific notes and compare the cleaned manufacturer part number if your car has mid-year changes.If you want a second set of eyes on the fitment, send us your VIN. We have been handling Porsche parts and brake work for over 20 years, and we still treat fitment questions like they matter. Year Make Model Submodel Notes 1956 Porsche 356A 1956 Porsche 356A 1957 Porsche 356A 1957 Porsche 356A 1958 Porsche 356A 1958 Porsche 356A 1959 Porsche 356A 1959 Porsche 356A 1960 Porsche 356B 1961 Porsche 356B 1962 Porsche 356B 1963 Porsche 356B 1964 Porsche 356C 1965 Porsche 356C 1964 Porsche 356SC 1965 Porsche 356SC
