Replacing an oxygen sensor on a GMC Terrain or Equinox is easy when you know what tools you need. The oxygen sensor replacement is a 15128 and has a really thick body, you will need a hollowed out oxygen sensor socket or oxygen sensor wrench. Upstream oxygen sensor.

oxygen sensor: [ Ссылка ]
oxygen sensor socket: [ Ссылка ]
oxygen sensor wrench: [ Ссылка ]

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