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Porsche > Boxster 986/987/981 (1997-2016) > Boxster 986 2.5L 1997-99 > Engine Rebuild Parts > Fuel System Parts >

Fuel Gauge / Level Sender

Fuel Gauge / Level Sender

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DISPLAYING 1 to 3 (of 3 products)
Fuel pump kit. Porsche 996 C2 / 986 Boxster >>2001 - 99662010200, 99662080800
2
Fuel pump kit. Porsche 996 C2 / 986 Boxster >>2001
FUELPUMPKIT996
Product Information
Product Information
Fuel pump kit.
This OE Match Fuel pump kit with MAHLE Fuel Filter is a complete fuel system service solution designed for Porsche 996 Carrera 2 and 986 Boxster models up to 2001. The kit includes a high-quality OE Match fuel pump, OE Match fuel tank level gauge unit, a genuine MAHLE fuel filter, and a OE Match sealing gasket - providing everything required to restore proper fuel delivery and filtration performance.

Fits:
Porsche 996 C2 >>2001
Porsche 986 Boxster >>2001

Diagram ref no 3, 4 and 5

Reliable fuel delivery is critical for maintaining smooth engine performance, consistent power output, and proper combustion. Over time, the in-tank fuel pump can weaken, fuel level senders may fail or give inaccurate readings, and fuel filters can clog due to contamination.

This comprehensive kit includes:
 1× OE Match Fuel Pump – OE ref no 99662010200
 1× OE Match Fuel Tank Gauge (Level Sender) – OE ref no 99662080800
 1× MAHLE Fuel Filter – OE Ref 99611025301
 1× OE Match Gasket – OE ref PAB919133

Replacing these components together ensures optimal fuel system performance, improved reliability, and reduced risk of fuel starvation or pressure inconsistencies.

This kit restores the complete in-tank fuel delivery system by:
•  Providing correct fuel pressure and flow
•  Ensuring accurate fuel level readings
•  Filtering contaminants before reaching injectors
•  Preventing leaks through proper sealing

A properly functioning fuel system supports smooth idle, strong acceleration, and stable engine performance.

Worn fuel pumps and clogged filters can lead to hard starting, hesitation under acceleration, loss of power at higher RPM, and inaccurate fuel gauge readings. Inconsistent fuel delivery may also cause lean running conditions that affect performance and reliability. Replacing the pump, gauge, and filter together as a complete kit restores proper fuel pressure, protects injectors, and ensures smooth, dependable drivability.

Consider replacing this kit if you experience engine hesitation, intermittent stalling, hard starting, excessive fuel pump noise, or incorrect fuel level readings. It is also recommended as preventative maintenance on ageing 996 and 986 models.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

FUELPUMPKIT996
99662010200
99662080800

The product you are viewing cross references to these numbers
Fuel tank gauge. Porsche 986 Boxster / 996 >>2001 - 99662080800, 99664180100
3
Fuel tank gauge. Porsche 986 Boxster / 996 >>2001
Special Order item
99662080800
Product Information
Product Information
Fuel tank gauge (inside tank).

Fits:
Porsche 986 Boxster 1997-01
Porsche 996 C2  >> 2001 (M338)
Porsche 996 GT2 2001-05 LHD Cars
Porsche 996 GT3 1999-05 RHD Cars

Click 'Zoom in' for large parts diagram.
Diagram ref no 5

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99662080800
99662080800
99664180100

The product you are viewing cross references to these numbers
Fuel tank gauge. Porsche 986 Boxster / 996 >>2001 - 99662080800, 99664180100 - URO-015133
6
Fuel tank gauge. Porsche 986 Boxster / 996 >>2001
99662080800/1
Product Information
Product Information
Fuel tank gauge (inside tank).
This Fuel Tank Gauge is an OE Match fuel level sender unit designed for Porsche 986 Boxster and 996 models up to 2001. Installed inside the fuel tank, it measures fuel level and sends accurate data to the dashboard gauge.

Fits:
Porsche 986 Boxster 1997 - 2001
Porsche 996 C2 >>2001 (M338)
Porsche 996 GT2 2001 - 2005 LHD Cars
Porsche 996 GT3 1999 - 2005 RHD Cars

Diagram ref no 5

Accurate fuel level indication is essential for reliable driving and trip planning. The fuel tank gauge (level sender) uses a float mechanism and electrical resistance sensor to monitor the amount of fuel in the tank and communicate that information to the instrument cluster.

Over time, original fuel level senders can suffer from:
•  Electrical wear or internal resistance faults
•  Sticking float mechanisms
•  Corrosion from fuel exposure
•  Inconsistent or inaccurate readings

Common symptoms include fluctuating fuel gauge readings, incorrect fuel level display, or warning lights despite adequate fuel in the tank.

This OE Match fuel tank gauge is manufactured to match original Porsche specifications for fitment, electrical calibration, and tank integration. It installs directly into the factory fuel pump module assembly and restores proper gauge accuracy without modification.

Ideal for replacement during fuel pump service or when diagnosing fuel level display issues.

A faulty fuel tank gauge can cause inaccurate fuel readings, leaving you unsure of remaining range. Inconsistent or incorrect readings increase the risk of running out of fuel unexpectedly. Replacing the sender restores proper gauge function and ensures reliable fuel level monitoring.

Replace the fuel tank gauge if you notice:
•  Fluctuating or erratic fuel gauge readings
•  Gauge stuck on full or empty
•  Incorrect low fuel warning activation
•  Fuel pump service requiring sender replacement
•  Diagnostic fault codes related to fuel level sensor

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99662080800
99662080800
99664180100

The product you are viewing cross references to these numbers
DISPLAYING 1 to 3 (of 3 products)
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About Fuel Gauge / Level Sender

Fuel Level Sender Units – Accurate Fuel Readings for Reliable Porsche Performance

A fuel level sender unit is a critical component in your Porsche’s fuel system, designed to monitor the amount of fuel in the tank and transmit that data to your dashboard gauge. It ensures accurate readings, helping drivers manage fuel efficiency and avoid running dry.

At Design911, we offer a wide selection of fuel level sender units developed for Porsche models across generations — from classic air-cooled icons to modern performance cars. Each unit is crafted to deliver accurate resistance readings, durable performance, and seamless electrical compatibility, ensuring your dashboard gauge provides dependable fuel level information.

Our high-quality sender units are built to withstand fuel exposure, temperature changes, and vibration, restoring accuracy and reliability to your vehicle’s instrumentation.

What Do Fuel Level Sender Units Do?

The sender unit is responsible for measuring fuel level inside the tank and communicating that information to the gauge via a variable resistor or electronic sensor.

Core Functions:

  • Measures fuel level using a float and resistance-based signal.
  • Transmits real-time data to the dashboard fuel gauge.
  • Ensures accurate monitoring for efficient driving and trip planning.
  • Maintains correct communication within the vehicle’s fuel system.

Without a properly functioning sender unit, your Porsche’s fuel gauge can become unreliable — leading to false readings and unnecessary refuelling anxiety.

Why Do Fuel Level Sender Units Fail?

Fuel level sensors operate constantly within harsh conditions — submerged in fuel and exposed to varying temperatures and vibration. Over time, they can deteriorate, resulting in erratic or inaccurate readings.

Common Causes of Failure Include:

  • Wear and corrosion on electrical contacts or float arms.
  • Contaminated or degraded fuel, causing internal residue buildup.
  • Float leakage or disintegration, affecting buoyancy and measurement.
  • Electrical short circuits or open circuits due to connector fatigue.
  • Age-related material breakdown in older Porsche models.

Symptoms of a failing sender include stuck or fluctuating gauges, inaccurate readings, or a fuel light that remains on or off constantly.

Why Replace with Precision-Engineered Sender Units?

Installing a precision-fit replacement fuel sender unit restores the accuracy of your Porsche’s fuel gauge, ensuring dependable readings and maintaining the integrity of your fuel management system.

Key Benefits:

  • Restores accurate dashboard readings for fuel monitoring.
  • Eliminates erratic gauge behaviour or warning light faults.
  • Enhances reliability during long drives and performance use.
  • Crafted from corrosion-resistant, fuel-safe materials.
  • Direct-fit compatibility for quick and precise installation.
  • Designed to match Porsche performance standards.

Whether part of a restoration or routine service, a new sender unit ensures confidence every time you hit the road.

Highlights:

  • High-precision Porsche fuel level sender units for classic and modern models.
  • Durable, corrosion-resistant materials for long-term accuracy.
  • Restores communication between tank and gauge.
  • Direct-fit design for easy installation and reliable operation.
  • Ensures accurate fuel readings and system integrity.
  • Perfect for maintenance, restoration, or upgrades.

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