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Porsche // 996 (911) (1997-2005) // 996 C2 3.4L 1997-08/01
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Click 'Zoom in' for large parts diagram.
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A710931100
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche 996 C2 3.4L 1997-08/01
Fits:
Porsche 996 C2 3.4L up to >>2001
Porsche Boxster 986 up to >>2001
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99662010200
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche 996 C2 3.4L 1997-08/01
OE Match Fuel Pump is an OEM equivalent in-tank electric fuel pump designed to deliver consistent fuel pressure and flow to the engine under all operating conditions. Manufactured to match Porsche factory specifications, this fuel pump ensures reliable engine performance, smooth acceleration, and correct fuel delivery.
Fits:
Porsche 996 C2 3.4L up to >>2001
Porsche Boxster 986 up to >>2001
This OE Match replacement is engineered to mirror the original Porsche unit in fitment, electrical connections, fuel output, and operating noise levels. It installs directly into the fuel tank without modification and is suitable for both routine replacement and fault repair caused by fuel pump failure, pressure loss, or starting issues. Offering OEM-level performance at a more cost-effective price point, this fuel pump is an ideal alternative to genuine Porsche parts while maintaining factory-correct functionality and reliability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99662010200
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche Carrera GT 2003-06
The fuel pump relay is a precision replacement relay for the fuel-pump control circuit in the Porsche 986 Boxster and 996 911 (including Turbo and early Carrera GT) models. This relay controls the activation of the in-tank fuel pump, providing the necessary current to ensure correct fuel delivery under demand - making it vital for engine start-up, steady fuel pressure and safe operation.
Fits:
Porsche 986 Boxster 1997 - 2004
Porsche 996 C2 / C4 / C4S 1998 - 2005
Porsche 996 Turbo 2001 - 2005
Porsche 996 GT3
Porsche Carrera GT 2004 - 2006
* Please check and match the part number of your relay in your car before ordering.
• Position: Mounted in the front luggage compartment fuse/relay panel or subsystems - controls power feed to the fuel pump relay circuit.
• Function: When the ignition is turned on or engine is running, the signal from ECU or shift lever energises this relay, sending current to the fuel pump so fuel pressure builds before engine cranking - crucial for proper fuel system operation.
• Applications: Ideal when the original relay has failed, is intermittent, shows corrosion on contacts, causes fuel-pump drop-outs, engine stumbling, or fails the self-check.
The fuel pump relay is a critical yet often overlooked part of the fuel delivery system.
A failing relay may manifest as:
• Engine cranks but won’t start (fuel pump never powers)
• Fuel pump prime is silent when ignition is turned on
• Engine stalls at random after start due to loss of pump voltage
• Intermittent “no-fuel pressure” faults or ECU logged errors
Replacing the relay with a correct unit ensures the fuel pump receives the proper current, realises full system pressure, and avoids mis-diagnosis of fuel pump or ECU faults.
When to replace:
• Original relay is over 10 years old, exposed to heat or aftermarket modifications
• You’ve installed a new fuel pump but issue persists (relay may be the culprit)
• You’re diagnosing no-start or stall symptoms that point to fuel pressure drop-out
• You’re restoring or prepping your vehicle and want to replace all wear-prone electrical relays
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99661510100
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche 996 C2 3.4L 1997-08/01
OE Match Fuel Pump is an OEM equivalent in-tank electric fuel pump designed to deliver consistent fuel pressure and flow to the engine under all operating conditions. Manufactured to match Porsche factory specifications, this fuel pump ensures reliable engine performance, smooth acceleration, and correct fuel delivery.
Fits:
Porsche 996 C2 3.4L up to >>2001
Porsche Boxster 986 up to >>2001
This OE Match replacement is engineered to mirror the original Porsche unit in fitment, electrical connections, fuel output, and operating noise levels. It installs directly into the fuel tank without modification and is suitable for both routine replacement and fault repair caused by fuel pump failure, pressure loss, or starting issues. Offering OEM-level performance at a more cost-effective price point, this fuel pump is an ideal alternative to genuine Porsche parts while maintaining factory-correct functionality and reliability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99662010200
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
