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NTK 21081 Oxygen Sensor - Downstream Left or Downstream Right
| Brand | NTK 21081 |
|---|---|
| Position | Downstream Right and Downstream Left |
| Wiring Harness Length | 14.76 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Thread Diameter | 18.000 |
| Mounting Type | Threaded |
| Product line | Direct Fit Oxygen Sensor |
| Fits | Cadillac and Chevrolet · 4 vehicles |
Direct fit design. Built for specific applications with OE-style fit, form, and function.
Heated sensor. Helps the sensor reach operating temperature quickly for responsive feedback.
OE-level testing. Extensively tested during manufacturing to support quality and reliability.
Cross-references 12643708 for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Direct Fit Oxygen Sensor for 2016 Applications
NTK 21081 is a direct fit heated oxygen sensor built for specific applications and threaded mounting. It is engineered with a 4-wire layout and an 18 mm thread diameter for a precise replacement on supported vehicles.
Key Features
- Direct fit oxygen sensor for specific applications
- Heated sensor design for faster operating response
- 4-wire configuration
- Threaded mounting type with 18 mm thread diameter
- 14.76 in. wiring harness length
Detailed Description
NTK 21081 is part of the Direct Fit Oxygen Sensor line and is built to match OE-style fit, form, and function. NTK is a major original equipment oxygen sensor supplier, and this sensor is manufactured and tested to meet or exceed OE specifications. It is a strong match for 2016 Cadillac CTS and 2016 Chevrolet Camaro applications that require a downstream oxygen sensor in the listed positions. This part cross-references GM 12643708 for the same application.
What It Is Used For
- Replacing a failed oxygen sensor that can trigger emissions-related fault codes
- Restoring proper air-fuel feedback to the engine control system
- Addressing drivability issues tied to inaccurate exhaust oxygen readings
- Correcting emissions test failures caused by sensor degradation
Installation Notes and Tips
Verify the connector, wire count, thread size, and sensor position before installation. This sensor uses a threaded mount and a specific-fit design, so matching the original application details is important for proper installation on the Cadillac CTS and Chevrolet Camaro.
Quality Assurance
NTK manufactures oxygen sensors with OE-level application coverage and extensive in-process testing to support quality and reliability. The brand is part of the NGK family of products and is recognized for original equipment oxygen sensor production.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | Cadillac | CTS | 6.2L | V8 | Downstream Right | Replacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor |
| 2016 | Cadillac | CTS | 6.2L | V8 | Downstream Left | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2016 | Chevrolet | Camaro | 6.2L | V8 | Downstream Right | Replacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor |
| 2016 | Chevrolet | Camaro | 6.2L | V8 | Downstream Left | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
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