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Fuel Gauge / Level Sender
By OE Match
- Porsche 356B 1959-63
Fits:
Porsche 356B T6 1.6L - 08/1961-12/1963
Sender comes with gasket
Click 'Zoom in' for large parts diagram.
Diagram Ref No 41
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64420180106
The product you are viewing cross references to these numbers
- Porsche 356B 1959-63
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
The product you are viewing cross references to these numbers
- Porsche 356B 1959-63
- Porsche 356C 1963-65
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
The product you are viewing cross references to these numbers
OEMatch Fuel Gauge / Level Sender — Fit, Function, Confidence
OEMatch fuel gauge and level sender components are compatible replacements engineered to original-spec dimensions and tolerances — a practical option when genuine or OEM parts are unavailable. They measure tank contents and transmit a proportional electrical signal to the dashboard gauge, helping drivers manage fuel range and avoid unexpected stops.
Available Types
- Resistive float sender units
- Electronic level sensors and transmitters
- In-tank repair modules and float assemblies
Understanding OEMatch Fuel Gauge / Level Sender
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original fuel gauge and level sender.
OE (Original Equipment) refers to parts matching original specifications for the fuel gauge and level sender and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM fuel gauge and level sender engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. In Porsche vehicles these units are typically mounted in or on the fuel tank and use a float linked to a variable resistor or an electronic sensor to convert fuel level into an electrical signal for the instrument cluster.
Benefits Include
- Restores accurate dashboard fuel readings
- Reduces erratic gauge behaviour and false warning indications
- Uses fuel-resistant materials to resist corrosion
Why Fuel Gauge / Level Sender Wear and Fail
- Corrosion and wear on electrical contacts or float arms
- Residue and contamination from degraded or contaminated fuel
- Float leakage, mechanical damage or connector fatigue
The Importance of Replacing with OEMatch Fuel Gauge / Level Sender
Accurate fuel level information is important for trip planning and avoiding unplanned refuelling. Replacing a worn sender restores reliable instrument readings, reduces the risk of stopping unexpectedly and supports correct operation of warning lamps and related systems during road use or restoration projects.
Advantages
- Direct-fit alternatives designed to match original electrical characteristics
- Compatibility with existing gauge wiring and connectors
- Available types to suit classic and modern Porsche tank designs
Support & Advice
Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified.
