2014 GMC Sierra 2500 HD Oxygen Sensors
2014 GMC Sierra 2500 HD Oxygen Sensors
Genuine GM oxygen sensors for the 2014 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.
Signs it is time
A check engine light with a fuel trim or catalyst efficiency code. On a heavy duty pickup, two trucks with the same badge can take different parts once cab style and drivetrain are accounted for.
Buying OEM, briefly
- Factory warranty. Genuine oxygen sensors carry GM coverage aftermarket cannot match.
- Dealer parts, not dealer prices. Compare our oxygen sensors pricing against a counter quote.
- Genuine GM only. Every oxygen sensors listing carries the original factory part number.
- Fitment checked by a person. Send the VIN and we verify the oxygen sensors before the box leaves.
- Central shipping origin. Dallas keeps oxygen sensors transit times short nationwide.
Making sure it fits
Factory parts are built to the tolerances the vehicle was engineered around, not copied from a worn sample. A photo is rarely enough to order from. The VIN takes seconds and removes the guesswork. Freight is quoted at what it actually costs, not inflated to subsidize a headline discount.
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