| Management number | 254646732 | Release Date | 2026/11/07 | List Price | US$29.04 | Model Number | 254646732 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
Features<li>None</li><li>None</li>NTK Oxygen Sensors 21571 OE Type Oxygen Sensor Oxygen (O2) Sensors are used in modern automobiles to control the fuel and ignition systems to optimize a car’s performance in the areas of emissions and fuel economy. Sensors are located before and after the catalytic converter to check on the amount of oxygen in the exhaust. The sensor sends signals to the car’s on-board computer, which then can adjust several variables, including air/fuel ratio and timing, in order to bring the engine into the optimum operating range.Each NTK Oxygen (O2) Sensor isExtensively Tested During Manufacture to Guarantee Quality and ReliabilitySupplied With a Factory-Fitted OEM Connector for Easy InstallationPrecision manufactured with a sensing element incorporating NTK’s premier technical ceramicsOxygen (O2) Sensors should be tested at each tune-up. Failed or worn out oxygen sensors can causeFailed Emission TestsIncreased Fuel ConsumptionFailed Catalytic ConvertersPoor DriveabilityIncreased Emissions
None| Manufacturer part number | 21571 |
|---|---|
| Automotive oxygen sensor type | Electrochemical Oxygen Sensor |
| Compatible cars | 2012-2015 Buick Enclave |
| Vehicle fitment type | Universal |
| Manufacturer | NTK |
| Vehicle mount location | Engine |
| Vehicle make | Cadillac |
| Vehicle model | 21571 |
| Vehicle year | 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
| Assembled product weight | 1.88 lb |
| Count per pack | 1 |
| Vehicle type | Car, Truck, Light Truck, Sport Utility Vehicle, CUV |
| Dimensions | 5.75 x 2.19 x 1.88 in |
| Automotive parts division | BFPZ |
| Model | 21571 |
If you notice any omissions or errors in the product information on this page, please use the correction request form below.
Correction Request Form