# NGK Audi A4 1999-1996 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

1998

Audi

A4

Avant

1996-1999

Audi

A4

Base

1998-1999

Audi

A4 Quattro

Avant

1996-1999

Audi

A4 Quattro

Base

1998-1999

Audi

A6

Base

1998-1999

Audi

A6 Quattro

Avant

1998-1999

Audi

A6 Quattro

Base

1998-1999

Volkswagen

Passat

GLS

1998-2000

Volkswagen

Passat

GLX

## Details

- **Price:** 199.5 CAD
- **Vendor:** NGK
- **Type:** Oxygen Sensors

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 199.50 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-audi-a4-1999-1996-direct-fit-oxygen-sensor)
> Updated: 2026-06-27