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Fuel Pressure Regulator. Porsche 911 turbo / 928 / 928S ❭ 92811023102
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
Fuel Pressure Damper
High-quality replacement fuel pressure damper designed for Porsche 928, 928S, and 911 turbo models.
This component plays a critical role in stabilising fuel
pressure within the fuel injection system, reducing pressure fluctuations and
ensuring smooth, consistent fuel delivery across the engine.
Fits:
- Porsche 911 1987-1989 3.3L Turbo (930) - (engine type 930.66-S, Option Code M148- Engine with increased power output 930.66)
- Porsche 928 4.5L 1980-82 (engine type M2809, M2810, M2811, M2812)
- Porsche 928S 4.7L 1981-83 (engine type M2811, M2812)
for 928
M 800 0378 >>
M 800 5496 >>
M 820 0233 >>
M 820 5025 >>
Diagram ref no 25
Installed within the engine bay fuel system, the damper helps regulate pressure pulses in the fuel rails, supporting balanced fuel distribution and optimal engine performance.
Manufactured to OEM specifications, this fuel pressure damper ensures precise fitment and reliable operation—ideal for maintenance, diagnostics, or restoration.
Key Features
• Direct replacement fuel pressure damper
• Suitable for Porsche 928, 928S, and 911 Turbo models
• Stabilises fuel pressure across fuel rails
• Reduces pressure fluctuations within the 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 injection system.
It helps to:
• Maintain consistent fuel pressure
• Reduce fluctuations in the fuel rails
• Improve engine smoothness and drivability
• Support balanced fuel delivery across cylinders
Why Replace Your Fuel Pressure Damper
Over time, internal diaphragms can deteriorate or fail.
Common issues include:
• Rough idle or hesitation
• Uneven fuel delivery
• Hard starting
• Fuel pressure instability
• Reduced engine performance
Replacing the damper restores proper fuel system function and performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811023102
The product you are viewing cross references to these numbers
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