# NGK Cadillac CTS 2015-2009 Direct Fit Oxygen Sensor

NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

-   ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning

This Part Fits:

Year

Make

Model

Submodel

2009-2015

Cadillac

CTS

V

2008-2010

Chevrolet

Silverado 2500 HD

LT

2008-2010

Chevrolet

Silverado 2500 HD

LTZ

2008-2010

Chevrolet

Silverado 2500 HD

WT

2008-2010

Chevrolet

Silverado 3500 HD

LT

2008-2010

Chevrolet

Silverado 3500 HD

LTZ

2008-2010

Chevrolet

Silverado 3500 HD

WT

2008-2010

GMC

Sierra 2500 HD

SLE

2008-2010

GMC

Sierra 2500 HD

SLT

2008-2010

GMC

Sierra 2500 HD

WT

2008-2010

GMC

Sierra 3500 HD

SLE

2008-2010

GMC

Sierra 3500 HD

SLT

2008-2010

GMC

Sierra 3500 HD

WT

2009

Hummer

H2

Base

## Details

- **Price:** 121.21 CAD
- **Vendor:** NGK
- **Type:** Oxygen Sensors

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 121.21 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - out of package
- Photo - out of package
- Photo - out of package
- Photo - out of package
- Photo - out of package
- Photo - out of package

---

> Source: [Standard Auto Part](https://www.standardautopart.com/products/ngk-cadillac-cts-2015-2009-direct-fit-oxygen-sensor)
> Updated: 2026-06-27