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- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1978-1989 3.3L Turbo (930)
Fuel pump and fuel sender kit for Porsche 911 3.0L SC 1978-83 / 3.3L Turbo (930) , combines key fuel delivery and level-sensing components in one package.
What This Product Does
This kit brings together a replacement fuel pump and sender unit to deliver fuel from the tank at the correct pressure while providing a matching level signal to the gauge. It is intended to support reliable running, consistent fuel supply, and accurate tank level indication on Porsche 911 3.0L SC 1978-83 / 3.3L Turbo (930)
Functions
- Draws fuel from the tank and feeds it towards the engine
- Helps maintain appropriate fuel pressure within the system envelope
- Measures fuel level within the tank for the dashboard gauge
- Supports smooth starting and running by stabilising fuel delivery
- Assists in preventing fuel starvation when the tank level is low
Symptoms of Fault
- Long cranking, intermittent no-start or cutting out under load
- Hesitation, surging or loss of power at higher revs
- Whining or humming noises from the pump area
- Fuel gauge reading erratically, stuck full/empty or inconsistent with actual level
- Hot-start issues or stalling at junctions
Why Replacement Matters
Age, fuel contamination and electrical wear can cause a pump to become noisy or weak, and sender units can suffer from worn tracks or sticking floats. Replacing tired components helps restore stable fuel flow and more predictable gauge readings, which is particularly relevant on older Porsche 911 3.0L SC 1978-83 / 3.3L Turbo (930) where many original parts are still in service. Addressing pump and sender issues together can reduce repeat visits into the tank area and supports methodical maintenance on classic 911s.
Fits
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1978-1989 3.3L Turbo (930)
FAQs
- Q: Can a weak fuel pump still allow the car to run?
A: Yes, a tired pump may run the engine at light load but struggle to maintain pressure during hard acceleration or higher revs, showing up as hesitation or cutting out. - Q: Do fuel pump problems always trigger obvious noise?
A: Not always, but increasing whining or humming from the tank area is a common early sign, especially if performance has started to deteriorate. - Q: Could a relay or wiring fault mimic pump failure?
A: Yes, low voltage, poor earths or a failing relay can cause similar no-start or intermittent running symptoms, so basic electrical checks are sensible before condemning the pump. - Q: Why does low fuel level sometimes make symptoms worse?
A: With little fuel in the tank, the pump can run hotter and may ingest more debris or air, which makes any underlying weakness more noticeable. - Q: Should the fuel filter be checked when replacing a pump?
A: It is common practice to inspect or renew the fuel filter at the same time, as restriction can overload a new pump and affect pressure.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91160810203
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
