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Home  »  Electrical systems, Instruments etc.  »  INSTRUMENTS  »  FUEL, AMPS, TEMP & OIL INSTRUMENTS  »  EXCHANGE ORIGINAL INSTRUMENTS  »  FUEL GAUGE TR3A-B FG2530/20

FUEL GAUGE TR3A-B FG2530/20

Part No:
106964BEX
Price
£243.05
Price Ex VAT @ 20%
£202.54
Deposit *
£100.00

IN STOCK This part is immediately available

* Deposit Required: A deposit is required for this part. This will be refunded in full or in part on receipt of exchange item, depending on the condition of the part received. Vat at the prevailing rate will be added to the deposit if applicable.
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TR3A-B Fuel Gauge (with FG2530/20 printed on the face) supplied reconditioned on an exchange basis. This gauge was originally paired with sender unit part number 203610 (marked FT3331/02 on the top face) but works best with our high quality units having a resistive value of 3Ώ empty to 80Ώ full, typically our adjustable sender unit part number RTR8514 which has the same resistive value.

This gauge will work in positive or negative earth cars. A deposit applies until a rebuildable old unit is returned to us. This instrument does not need to be fed via a voltage regulator 


There were two fuel gauges used on TR2-3B. Confusingly there are two part numbers for the sender unit mounted on top of the fuel tank, but only one part number (106964) for the gauge. To make some sense of this we have created two discrete part numbers for the gauge and rely on the original part numbers for the sender units. Fortunately both gauges and both sender units whist looking the same, do have makers part numbers visible which ensures you can identify what you have. We can supply both gauges and sender units on an exchange basis (identified by the suffix EX in the part number) and can supply new gauges to work with the original or RTR8514 senders. Our preferred solution is to provide a matched set of a new gauge and sender unit, order RTR8564NK or RTR8564PK NK and PK standing for Negative or Positive earth Kits. The gauge looks identical to an original gauge when mounted in the dashboard. See below for details.   

In general 106964AEX was fitted up to TR3 and 106964BEX was fitted to later TR3A's onwards however as these cars are 60+ years old there is no guarantee that what was fitted in the factory is still there today. 

Having identified two gauges with the same Triumph part number but different part references on the gauge and two separate fuel gauge sender part numbers, difficulties have arisen in the past when early gauges have been mixed with later sender units and vis versa but as the general characteristics of both gauges and sender units are the same we do not have an explanation for this.

The two standard gauges and sender units are: -

 

  • Gauge 106964AEX (with PG163 on face) works best with sender unit part number 202137 (marked ST-202137R 80085/1 on the top) 
  • Gauge 106964BEX (with FG2530/20 printed on the face) works best with sender unit part number 203610 (marked FT3331/02 on the top face)

Revington TR added the suffix A or B to the gauges to differentiate between them. These gauges are not polarity sensitive.

For those interested in the technical issues surrounding the compatibility of fuel gauges and sender units, please see information sheet IS0011 which is downloadable from the 'Further Reading' tab. 

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