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O2 Heater Resistor


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  • Model: FST40R50W
  • 5 Units in Stock
  • Manufactured by: Full-Speed Technologies

Is your ECU expecting multiple O2 sensors, but your custom exhaust system only has one? This resistor can prevent O2 Heater Circuit CELs - wire one into a missing O2 Heater circuit, the 40 Ohm 50 Watt resistor will fool the ECU into thinking an O2 heater circuit is available (and has reached operating temperature). 40 Ohms is enough to fool most factory ECUs into thinking the O2 sensor is fully heated. If not... we have some 20 Ohm resistors available as well.

Built-in heatsink (it will get hot!), and solder-lug connections.

Free shipping in the USA; other countries inquire for shipping cost.

This product is for off-road use only. Federal Law prohibits tampering with vehicle emissions equipmen.

This product was added to our catalog on Monday 04 August, 2008.

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