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Fuel Pumps
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
This Porsche Genuine OE Fuel Pump is an original factory in-tank electric fuel pump assembly designed for the Porsche 911 (991) Carrera 4 and Turbo models. This component is a key part of the fuel delivery system, supplying fuel from the tank to the engine under controlled pressure.
Fits:
Porsche 991.1 C4 2012 - 2016
Porsche 991 Turbo / Turbo S 2014 - 2018
Diagram ref no 5
Engineered to Porsche’s exact specifications, it ensures correct fuel flow, pressure stability, and seamless integration with modern direct fuel injection systems.
The fuel pump draws petrol from the fuel tank and delivers it to the low-pressure fuel system, feeding the engine-mounted high-pressure pump. This ensures a constant fuel supply required for efficient combustion, power delivery, and smooth engine operation.
In high-performance models like the 991 Turbo, maintaining stable fuel pressure is critical for turbocharged engine efficiency and reliability.
Functions & Technical Role
• Fuel delivery: Pumps fuel from the tank to the engine system
• Pressure stability: Maintains consistent low-pressure supply
• Performance support: Ensures smooth acceleration and engine response
• Integrated assembly: Includes pump, housing, and internal filtration elements
• OEM precision: Designed for exact fitment and correct operating characteristics
Fuel pumps operate continuously under demanding conditions such as heat, pressure, and fuel contamination. Over time, wear or failure can lead to:
• Hard starting or no start
• Loss of power or hesitation
• Engine stalling under load
• Fuel system warning faults
Replacing with a genuine Porsche OE fuel pump restores correct fuel pressure, ensuring reliable performance and protecting the engine.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99162014500
The product you are viewing cross references to these numbers
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
An OE Match in-tank electric fuel pump designed to supply fuel from the tank to the engine, ensuring stable fuel delivery and reliable performance in Porsche 991.1 Carrera 4 and Turbo models.
Fits:
Porsche 991.1 C4 2012 - 2016
Porsche 991 Turbo / Turbo S 2014 - 2018
Diagram ref no 5
This OE Match Fuel Pump is a high-quality replacement component engineered to meet original Porsche specifications for fit, performance, and durability. Installed within the fuel tank, this electric pump is a critical part of the vehicle’s fuel delivery system.
This unit functions as a fuel pump assembly, drawing fuel from the tank and delivering it through the low-pressure system to the engine. It ensures consistent fuel flow and pressure, which is essential for efficient combustion and optimal engine performance—especially in high-performance and turbocharged applications.
Designed specifically for Porsche 991.1 Carrera 4 models (2012–2016) and 991 Turbo / Turbo S models (2014–2018), this pump supports all-wheel-drive configurations and non-GT3 variants.
Manufactured using durable, fuel-resistant materials, the OE Match unit is built to withstand continuous operation, temperature fluctuations, and demanding driving conditions. It is a direct replacement for the original in-tank pump and integrates seamlessly with the vehicle’s fuel system.
This fuel pump delivers fuel from the tank to the engine at the correct pressure and flow rate, ensuring smooth engine operation, strong performance, and reliable drivability.
Function
• Pumps fuel from tank to engine fuel system
• Maintains stable fuel pressure and flow
• Supports efficient combustion and engine performance
• Designed for high-performance and turbocharged engines
• Ensures reliable operation under all driving conditions
A failing fuel pump can result in inconsistent fuel delivery, causing hesitation, reduced performance, or starting issues. In turbocharged engines, maintaining stable fuel pressure is critical for power output and engine safety.
Replacing the pump restores proper fuel flow, improves reliability, and helps prevent strain on injectors and other fuel system components.
When to replace
• Engine struggles to start or fails to start
• Noticeable loss of power or hesitation
• Engine stalling or irregular fuel delivery
• Audible fuel pump noise from tank
• Fault codes related to fuel system pressure
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99162014500
The product you are viewing cross references to these numbers
- Porsche 997 MKII Turbo 2010-13
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
Fits:
Porsche 997.2 Turbo / S 3.8L 2010-13
Porsche 991.1 Turbo 3.8L 2014-16
Click 'Zoom in' for large parts diagram.
Diagram ref no 22
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A111031574
The product you are viewing cross references to these numbers
Fuel Pumps – Precision Fuel Delivery for Peak Porsche Performance
A fuel pump is the heart of your Porsche’s fuel delivery system, responsible for supplying pressurised fuel from the tank to the injectors or carburetors with pinpoint accuracy. It ensures consistent pressure and flow, allowing the engine to achieve smooth idling, rapid acceleration, and optimal fuel economy.
At Design911, we supply a full range of fuel pumps designed to meet the performance and reliability standards of Porsche vehicles — from classic air-cooled models to high-performance modern variants. Built from durable, corrosion-resistant materials with high-efficiency internal motors, our pumps deliver consistent flow rates even under demanding conditions, making them the ideal choice for both restoration and performance applications.
Whether you’re maintaining a 911, upgrading a Cayman GT4, or restoring a vintage 928, our manufacturer-quality fuel pumps ensure reliable performance, smooth starts, and consistent power delivery.
What Does a Fuel Pump Do?
The fuel pump is a critical part of your Porsche’s engine management system, delivering the correct volume and pressure of fuel to match the engine’s demands.
Core Functions:
- Transfers
fuel from the tank to the injectors or carburetors.
- Maintains
constant pressure, ensuring precise combustion.
- Supports
performance and efficiency across all RPM ranges.
- Enables smooth engine starting and stable running.
An efficient fuel pump guarantees proper air-fuel ratios, cleaner combustion, and the signature responsiveness Porsche engines are known for.
Why Do Fuel Pumps Fail?
Fuel pumps are high-stress components that operate continuously under pressure, making them prone to wear and contamination over time.
Common Causes of Failure Include:
- Fuel
contamination from dirt, rust, or moisture in the tank.
- Running
low on fuel, causing overheating or cavitation.
- Electrical
connection issues leading to inconsistent voltage.
- Internal
motor wear or impeller damage from age.
- Clogged filters or blocked lines, reducing pump efficiency.
Symptoms of a failing pump include engine hesitation, poor acceleration, long cranking times, loss of power, or stalling under load.
Why Replace with Precision-Engineered Fuel Pumps?
Replacing a worn or failing fuel pump restores reliable fuel pressure, smoother acceleration, and improved fuel efficiency. Our replacement pumps are built to match Porsche system tolerances, delivering dependable operation and extended lifespan.
Key Benefits:
- Restores consistent fuel pressure and flow.
- Improves performance and throttle response.
- Prevents stalling, misfires, and starting issues.
- Constructed with high-efficiency internal components.
- Direct-fit
design for easy installation and perfect compatibility.
- Corrosion-resistant construction for long service life.
Ideal for both standard replacements and performance upgrades, these pumps ensure your Porsche’s fuel system performs at its absolute best.
Highlights:
- Precision-engineered
Porsche fuel pumps for all models.
- Consistent
fuel pressure for reliable engine operation.
- Durable, corrosion-resistant construction.
- Direct-fit
replacement for easy installation.
- Compatible with classic and modern Porsche vehicles.
- Perfect for rebuilds, upgrades, or preventive maintenance.
