Volvo Oxygen Sensor Front (S80) - Bosch 8631643
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Bosch Front Volvo Oxygen Sensor

Your vehicle's oxygen sensor works with your engine control unit to optimize your engine's performance. The oxygen sensor is constantly monitoring your vehicle's exhaust and sending input back to the engine control unit so it can modify the vehicle's air fuel ratio based off of it's current conditions.

If the oxygen sensor is not working properly the result could include:

  • Reduced fuel mileage
  • Failed emissions testing
  • A check engine light
  • Poor Drive-ability


  • This front oxygen sensor has the OE Connector and is a direct fit replacement unit.
  • This Bosch oxygen sensor should be replaced every 100,000 miles or sooner for best performance
  • This is the oxygen sensor located before the catalytic converter there are 2 required per vehicle (upstream)

Fits These Cars:

1999 Volvo S80 Oxygen Sensor
Sub model: 2.9, Position: Upstream
1999 Volvo S80 Oxygen Sensor
Sub model: T6, Position: Upstream
2000 Volvo S80 Oxygen Sensor
Sub model: T6, Position: Upstream
2001 Volvo S80 Oxygen Sensor
Sub model: T6, Position: Upstream
Product match fitment

Volvo Oxygen Sensor Front (S80) - Bosch 8631643

Bosch logoBosch
SKU #:
Oxygen Sensor
OE Numbers:
250-25009, ES10925, 234-5703, 24306, 1275632, 8631643, 8670277, 9202928, 9470408, 9470981, 17036, 0258007036
$91.99 MSRP: $110.99
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