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Porsche > 964 (911) (1989-1994) > 964 (911) C2 1989-93 > Engine Rebuild Parts > Fuel System Parts >

Fuel Gauge / Level Sender

Fuel Gauge / Level Sender

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DISPLAYING 1 to 5 (of 5 products)
Fuel Level Sender Control Unit. Porsche 964 1989-94 - 96464108100
5
Fuel Level Sender Control Unit. Porsche 964 1989-94
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96464108100
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Fuel Level Sender Control Unit. Porsche 964 1989-94


porsche

Fits:
Porsche 964 1989-94

Click pictrue for large parts diagram.
Diagram Ref No 3A.



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96464108100
96464108100

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Fuel level sender unit. Porsche 964 / 993 - 1615800300, 96464180102, 96464180103
3
Fuel level sender unit. Porsche 964 / 993
Special Order item
96464180103
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Product Information
Fuel Level Sender.

porsche

Note: The fuel lever sender changes from the 4 pin connection to the new 2 pin connector so you will also need parts number 96464108100 Fuel Level Sender Control Unit.

Fits:
Porsche 964 3.3L-3.6L 1988-94
Porsche 993 3.6L-3.8L 1993-97

Click 'Zoom in' for large parts diagram.
Diagram Ref No 3

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Related, superseded, cross reference or alternative numbers for comparison.

96464180103
1615800300
96464180102
96464180103

The product you are viewing cross references to these numbers
Fuel level sender unit. Porsche 964 / 993 - 96464180102, 96464180103 - 1615800300
4
Fuel level sender unit. Porsche 964 / 993
96464180103/1
Product Information
Product Information
Fuel level sender unit.

Note: The fuel lever sender changes from the 4 pin connection to the new 2 pin connector so you will also need parts number 96464108100 Fuel Level Sender Control Unit.

Fits:
Porsche 964 3.3L-3.6L 1988 - 1994
Porsche 993 3.6L-3.8L 1993 - 1997

Diagram Ref No 3

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Related, superseded, cross reference or alternative numbers for comparison.

96464180103
96464180102
96464180103

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Fuel tank gauge O-Ring. Porsche 964 / 993 - 99970711540 - URO-010673
2
Fuel tank gauge O-Ring. Porsche 964 / 993
Special Order item
99970711540
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Fuel tank gauge O-Ring. 44 x 4.

porsche

Fits:
Porsche 964 1989-94
Porsche 993 1994-98

Click 'Zoom in' for large parts diagram.
Diagram ref no 2

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

99970711540
99970711540

The product you are viewing cross references to these numbers
Fuel tank gauge O-Ring. Porsche 964 / 993 - 99970711540 - URO-010673
2
Fuel tank gauge O-Ring. Porsche 964 / 993
99970711540/1
Product Information
Product Information

Fuel Tank Level Sender Seal 

Maintain the integrity of your Porsche fuel system with this OE Match Fuel Tank Level Sender Seal for Porsche 964 and Porsche 993 models. This essential sealing gasket sits between the fuel tank and the fuel level sender unit, creating a fuel-tight seal that prevents leaks, fuel vapour escape and contamination from entering the tank.

Fits:

  • Porsche 964 (911) C2 1989-93
  • Porsche 964 (911) C4 1989-93
  • Porsche 964 (911) RS 3.6L 1991-93
  • Porsche 964 (911) RS 3.8L 1991-93
  • Porsche 964 (911) TURBO 3.3L 1991-93
  • Porsche 964 (911) TURBO 3.6L 1991-93
  • Porsche 993 (911) C2 1994-97
  • Porsche 993 (911) C4 1994-97
  • Porsche 993 (911) RS 1994-97
  • Porsche 993 (911) C2S 1994-97
  • Porsche 993 (911) C4S 1994-97
  • Porsche 993 (911) TURBO 1994-96
  • Porsche 993 (911) GT2 1994-97
  • Porsche 993 (911) TURBO S 1994-97

Diagram ref no 2

Although small and inexpensive, the fuel tank level sender seal plays a vital role in the safe and reliable operation of the fuel system. Over time, the original seal can harden, shrink or deteriorate due to constant exposure to fuel, heat and age, increasing the risk of fuel leaks and fuel odours inside the vehicle.

Manufactured to OE Match specifications, this replacement seal provides the correct fit and sealing performance for maintenance, fuel sender replacement and restoration projects.

What Does the Fuel Tank Level Sender Seal Do?

The fuel level sender seal creates a secure seal between the fuel tank and the fuel level sender assembly.

Its primary functions include:

  • Preventing fuel leaks
  • Sealing fuel vapours inside the tank
  • Protecting against contamination
  • Maintaining fuel system integrity
  • Supporting accurate fuel sender operation
  • Reducing fuel odours
  • Helping maintain vehicle safety

Without a properly functioning seal, fuel and vapour can escape from the sender mounting area.

Why Do Fuel Tank Level Sender Seals Fail?

Fuel system seals operate in a harsh environment and are constantly exposed to fuel and temperature changes.

Common causes of failure include:

  • Age-related hardening
  • Fuel exposure
  • Ethanol-blended fuel degradation
  • Heat cycling
  • Compression fatigue
  • Shrinkage over time
  • Incorrect installation
  • Disturbance during sender removal

After many years of service, even an original seal that appears intact may no longer provide an effective seal.

Symptoms of a Failing Fuel Sender Seal

Common warning signs include:

  • Fuel smell inside or around the vehicle
  • Dampness around the sender unit
  • Visible fuel seepage
  • Fuel stains near the sender mounting area
  • Vapour leaks
  • Deteriorated or flattened seal
  • Leaks after sender replacement

These symptoms should never be ignored, as fuel leaks present both safety and reliability concerns.

When Should the Fuel Tank Level Sender Seal Be Replaced?

Replacement is recommended when:

  • Removing the fuel level sender
  • Replacing the fuel sender unit
  • Servicing the fuel tank
  • Fuel odours are present
  • Fuel leaks are discovered
  • Carrying out preventative maintenance
  • Restoring a Porsche 964 or 993
  • The original seal shows signs of ageing

Most Porsche specialists recommend replacing the seal whenever the sender unit is removed.

Why Replacement Matters

Replacing an ageing sender seal helps protect the fuel system and vehicle.

Benefits include:

  • Prevention of fuel leaks
  • Reduced fuel vapour escape
  • Improved safety
  • Protection against contamination
  • Elimination of fuel smells
  • Reliable fuel system sealing
  • Low-cost preventative maintenance
  • Long-term peace of mind

For such an inexpensive component, replacing the seal can prevent far more costly repairs and fuel system issues.



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

99970711540
99970711540

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DISPLAYING 1 to 5 (of 5 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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