SUBARU DENSO TYPE FRONT 4 WIRES OXYGEN / LAMBDA SENSOR 22641-AA381

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  • ID: #4265
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  • Availability: 1 In Stock
  • R2250

Please read before buying! Important!

Subaru oxygen sensor 4 wire direct fit

The best way to buy this part is to get the number from your existing unit.

Please make sure your existing part number matches one of the numbers listed above. If the number(s) do not match, then the part will not work with your vehicle.

Connector 4 wires
Ref part number:  22641-AA381 / 192400-2120

Will fit: Subaru / Impreza/ Liberty/ Outback

Symptoms of defective oxygen sensor

The signs of a faulty oxygen sensor include increased exhaust emissions due to poor air fuel mixture, engine hesitations, engine misfires, stalling, rough idling and increased fuel consumption. The oxygen sensor is a crucial component of a vehicle’s electronic fuel injection and emission system, and it relays information to an on-board engine management computer that regulates fuel delivery to the engine. The will be an engine check light on to indicate a fault. Diagnostic test is very important to determine if the o2 sensor is faulty.


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