Original Porsche Part Genuine Porsche part 64420189106

Code: 64420189106

Genuine Porsche part

Original Porsche Part

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• This part is brand new and unused.
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Fuel level sender (Top mounted). Porsche 356B T5 1.6L 01/1959-08/1961

64420180100/1

Product Information

Fuel Level Sender - Top mounted
This Fuel Level Sender is an OE-style top-mounted fuel tank sending unit designed for Porsche 356B T5 models. It measures the fuel level inside the tank and sends the corresponding signal to the dashboard fuel gauge.

Fits:
Porsche 356B T5 1.6L 01/1959 - 08/1961

Diagram Ref No 37

Manufactured to OE specifications, it is engineered to provide accurate fuel level readings while maintaining factory-correct fitment and electrical compatibility.

Installed vertically into the top of the fuel tank, the sender unit uses a float-operated internal mechanism that rises and falls with the fuel level. As the float moves, the sender changes electrical resistance values, transmitting an accurate fuel level signal to the dashboard gauge. Proper operation is essential for reliable fuel level indication and preventing inaccurate readings or unexpected fuel shortages.

This component is ideal for restoration projects, fuel system refurbishment, or replacement of worn or faulty original sender units.

The fuel level sender monitors the fuel level inside the fuel tank and transmits an electrical signal to the dashboard fuel gauge. This allows the driver to accurately monitor remaining fuel while driving.

Function
•  Measures fuel level within the fuel tank
•  Sends electrical signal to dashboard fuel gauge
•  Provides accurate fuel level indication
•  Supports reliable fuel monitoring while driving
•  Maintains compatibility with original gauge system

Over time, fuel level senders can wear internally due to corrosion, fuel contamination, electrical contact deterioration, or float failure. A faulty sender may cause inaccurate fuel readings, erratic gauge movement, or complete fuel gauge failure. Replacing the sender restores reliable fuel level indication and helps prevent unexpected fuel shortages or incorrect gauge readings.

When to replace
• Inaccurate or fluctuating fuel gauge readings
• Fuel gauge remains empty or full constantly
• Intermittent fuel gauge operation
• Corrosion or damage to sender unit
• During fuel tank restoration or fuel system servicing

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

64420180100

64420180100

The product you are viewing cross references to these numbers

3 3 3

Fuel level sender (Top mounted). Porsche 356B T6/C 1.6L 09/1961-12/1965

64420180108/1

Product Information

Fuel level sender - Top mounted
A top-mounted fuel level sending unit that measures the amount of fuel in the tank and communicates that level to the dash gauge through an electrical resistance signal.

Fits:
Porsche 356B T6 / 356 C 1.6L 09/1961 - 12/1965

The fuel sender accurately measures the fuel level using a calibrated float and rheostat, delivering stable and precise readings to the dashboard gauge. It restores proper gauge function when readings become inaccurate or erratic, and ensures a secure, leak-free seal at the tank opening to maintain overall fuel-system integrity.

Original senders often fail due to:
• Float saturation or sinking
• Corroded rheostat contacts
• Broken or worn internal resistance wires
• Sticking float arms Poor sealing causing fuel odour or seepage
• A faulty sender leads to inaccurate readings, gauge fluctuation, or a non-functional fuel gauge - a significant inconvenience on a classic car.

Replacing it restores reliable fuel-level monitoring and helps maintain driving confidence.

When to Replace - Install a new sender if:
•  The gauge reads empty or full constantly
•  Fuel level fluctuates or behaves erratically
•  The float has become saturated or deteriorated
•  The sender shows corrosion or internal wear
•  You are restoring or servicing the fuel tank

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

64420180108

64420180107

64420180108

The product you are viewing cross references to these numbers

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Original Porsche Part Genuine Porsche part 64420189106