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Fuel Pressure Regulator Front. Porsche 928 S2 › 92811020223
- Porsche 928S2 4.7L 1984-86
Fuel Pressure Damper – Fuel Rail Stabiliser
High-quality replacement fuel pressure damper designed specifically for Porsche 928 S2 models.
This component is installed at the front of the engine
compartment and plays a crucial role in stabilising fuel pressure across the
fuel injection system. It reduces pressure fluctuations, ensuring smooth and
consistent fuel delivery to the engine.
Fits:
- Porsche 928S2 4.7L 1984-86 (for engine types M2821, M2822, M2843, M2844, M2845, M2846)
Diagram ref no 5
The fuel supply line connects to the lower port, while the
two horizontal outlets feed the fuel rails, maintaining balanced fuel
distribution across the engine.
Manufactured to OEM specifications, this fuel pressure damper provides precise fitment and reliable performance—ideal for maintenance, troubleshooting, or restoration.
Key Features
• Direct replacement fuel pressure damper
• Designed specifically for Porsche 928S models
• Installed at front of engine bay for easy access
• Lower port for fuel supply, dual outlets to fuel rails
• Stabilises fuel pressure across injection system
• OEM-style fit and performance
• Durable construction for long-term reliability
Function and Purpose
The fuel pressure damper smooths pressure pulses within the fuel system.
It helps to:
• Maintain consistent fuel pressure
• Reduce fluctuations in the fuel rails
• Improve engine smoothness and response
• Support balanced fuel delivery across cylinders
Why Replace Your Fuel Pressure Damper
Over time, internal diaphragms can wear or fail.
Common issues include:
• Rough idle or hesitation
• Uneven fuel delivery
• Hard starting
• Fuel pressure instability
• Engine performance inconsistencies
Replacing the damper restores proper fuel system operation.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811020223
The product you are viewing cross references to these numbers
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