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Pressure Valves / Sensors / Dampers / Regulators
By OE Match
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 928S2 4.7L 1984-86
Fuel Pressure Damper – Fuel System Stabiliser
This component plays a vital role in stabilising fuel
pressure within the fuel injection system, reducing pressure fluctuations and
ensuring smooth, consistent fuel delivery to the engine.
Fits:
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 928S2 4.7L 1985-86 (engine codes M2843, M2844, M2845, M2846)
Diagram ref no 15
Manufactured to OEM specifications, this fuel pressure damper ensures precise fitment and reliable performance—ideal for restoring proper engine operation and resolving fuel system irregularities.
Key Features
• Direct replacement fuel pressure damper
• Suitable for Porsche 911 3.2 Carrera and 928 S2 models
• Stabilises fuel pressure within injection system
• OEM-style fit and performance
• Durable construction for long-term reliability
• Ideal for maintenance, repair, or restoration
Function and Purpose
The fuel pressure damper smooths pressure pulses in the fuel system.
It helps to:
• Maintain consistent fuel pressure
• Reduce fuel pressure fluctuations
• Improve engine smoothness and drivability
• Support proper fuel injection performance
Why Replace Your Fuel Pressure Damper
Over time, internal diaphragms can wear or fail.
Common issues include:
• Rough idle or hesitation
• Inconsistent fuel delivery
• Hard starting
• Fuel system noise or pressure instability
Replacing the damper restores proper fuel system operation.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93011060230
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 928S2 4.7L 1984-86
Fits:
Porsche 911 Carrera 1984 - 1989
Porsche 928 1984 - 1986
Diagram ref no. 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811019826
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
A fuel supply hose that carries pressurised fuel from the fuel pressure regulator to the diaphragm damper (fuel accumulator / damper) in the L-Jetronic injection system of certain classic Porsche 911 models. The damper helps smooth fuel pressure pulses and supply consistent fuel pressure to the injectors.
Fits:
Porsche 911 Carrera 1984 - 1989
Diagram ref no 19
This fuel line delivers a consistent, pressurised flow of fuel from the regulator to the damper without leaks or pressure loss. Its modern fuel-resistant construction ensures durability against petrol, vapour, and ethanol-blended fuels while maintaining stable fuel pressure for reliable injector performance and preventing issues such as hesitation or lean running. By replacing old, hardened, or cracked hoses, it restores the safety and efficiency of the fuel system. Designed with the correct internal diameter and fittings, it provides proper fuel delivery, smooths pressure fluctuations, and offers long-term resistance to heat, vibration, and chemical exposure for dependable operation on 911 engines.
Over time, fuel hoses deteriorate: rubber hardens, cracks or swells; internal layers degrade; fittings loosen. On a fuel-line this can lead to:
• Fuel leaks - hazard to engine bay and fire risk
• Pressure loss or instability - causing poor fuel delivery, misfires or rough running
• Permeation or fuel vapour leakage - potentially causing poor cold start, smell, or regulatory issues
Replacing the old hose with a fresh line ensures safe, leak-free fuel flow, correct pressure regulation, and reliable injector performance - essential for performance, reliability, and safety on an air-cooled Porsche 911.
You should replace this fuel line if:
• The original hose is cracked, swollen, hardened, or leaking
• There are signs of fuel smell or seepage around the regulator / damper area
• You’re performing fuel system maintenance, pressure regulator overhaul or damper replacement
• You are upgrading to modern fuels (higher ethanol content or aggressive blends)
• You notice fuel delivery issues - hesitation, poor idle, uneven fuel pressure
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93011041104
The product you are viewing cross references to these numbers
OEMatch Pressure Valves / Sensors / Dampers / Regulators — Fit, Function, Confidence
OEMatch supplies a focused selection of pressure valves, sensors, dampers and regulators for Porsche models. These fuel system parts control rail pressure, smooth pulsations and provide the inputs the engine management system needs to keep fuel delivery and throttle response consistent across load and temperature ranges.
Available Types
- Fuel pressure regulator (mechanical and vacuum-controlled)
- Fuel rail pressure sensor
- Fuel damper and accumulator
- Pressure relief and pressure-limiting valves
Understanding OEMatch Pressure Valves / Sensors / Dampers / Regulators
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original pressure valves, sensors, dampers and regulators.
OE (Original Equipment) refers to parts matching original specifications for the pressure valves, sensors, dampers and regulators and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM pressure valves, sensors, dampers and regulators engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Fuel pressure regulators, sensors and dampers work together to maintain the correct pressure in the fuel rail, to smooth transient pulses from the pump and injectors, and to report pressure to the engine control unit. Regulators adjust flow to match demand, sensors provide feedback for closed-loop control, and dampers reduce pressure spikes that can affect injector timing and pump life.
Benefits Include
- Restores stable fuel pressure for consistent combustion and throttle response
- Reduces pressure fluctuations that can accelerate wear on pumps and injectors
- Helps maintain fuel metering accuracy for smoother running
Why Pressure Valves / Sensors / Dampers / Regulators Wear and Fail
- Contamination and clogging from dirty or degraded fuel
- Diaphragm or internal seal deterioration due to age and heat
- Corrosion from moisture or ethanol-containing fuels and electrical faults in sensors
The Importance of Replacing with OEMatch Pressure Valves / Sensors / Dampers / Regulators
Replacing worn or faulty units restores accurate pressure regulation and sensor feedback, which supports drivability and can prevent secondary damage to fuel pumps or injectors. OEMatch parts are supplied alongside comprehensive cross-reference data to help identify the correct component for each Porsche model and application.
Advantages
- Range selected for Porsche applications, including fuel pressure regulators, dampers and sensors
- Catalogued cross-references and wide part coverage to aid correct identification; OEMatch has catalogue records covering thousands of part numbers and many OE cross-references
- Components finished in corrosion-resistant materials and with electrical connectors matched to factory interfaces where applicable
Support & Advice
Fitting can appear straightforward but may require procedures such as correct torque settings and careful routing of hoses. If you lack the correct tools or model-specific knowledge, we recommend professional installation. Recheck fasteners and connections after initial running and observe for any diagnostic codes or fuel odours.
