2012 GMC Sierra 2500 HD Oxygen Sensors
2012 GMC Sierra 2500 HD Oxygen Sensors
Genuine GM oxygen sensors for the 2012 GMC Sierra 2500 HD, at wholesale prices. Sensor part numbers differ by bank and by upstream or downstream position, and the connectors are not interchangeable. GMT900 HD through 2014, K2XX HD from 2015 to 2019, and the T1XX HD from 2020.
What sends people here
A check engine light with a fuel trim or catalyst efficiency code. On a heavy duty pickup, trim, tow package and drivetrain each move part numbers within one model year.
Buying OEM, briefly
- GM stands behind it. The oxygen sensors warranty comes from the manufacturer, not from us.
- Priced below the dealer. Oxygen Sensors at up to 40 percent off list, with no membership.
- Factory sourced. These oxygen sensors are built to GM's own drawing by the supplier GM contracted.
- No guessing. Our VIN lookup resolves the near-identical oxygen sensors numbers for you.
- Ships from Dallas. Oxygen Sensors ordered by 3pm Central go out the same business day.
Before you order
Original tooling means original fit, which matters most on anything that has to align with a neighboring part. Our VIN lookup is more accurate than any public catalog. Use it before you check out. In stock orders placed by 3pm Central ship the same business day from our Dallas warehouse.
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