Bosch Fuel Pump Check Valve for Porsche 911/930/924/928/964/993 (1973-1998)

This Bosch fuel pump check valve is a direct-fit replacement for Porsche applications listed in the fitment table below. The check valve helps the fuel system hold residual pressure after shutdown, which can matter for hot starts, restart behavior, and overall CIS or early EFI fuel-system service. 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: 1-587-010-532
• Part type: Fuel pump check valve
• Function: Helps retain fuel pressure after engine shutdown
• Common Bosch cross reference: 1587010532
• Associated OE reference commonly cataloged under 893 906 093
• Often replaced during fuel pump or fuel-pressure service

Fitment & Compatibility

Use the fitment table below to confirm exact year and model before ordering. Early Porsche fuel-system parts can overlap across several generations, so matching by part number keeps the job cleaner.

If you are chasing long crank or hot-start complaints, this is one of the small parts worth checking while the system is apart. We have been helping customers sort Porsche fuel-system pieces for more than 20 years, and the details matter on older cars.