1999 Audi A8 Oxygen Sensors

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Keep Your 1999 Audi A8 in Top Shape with Quality Oxygen Sensors

Whether you’re repairing or upgrading your Oxygen Sensor, using high-quality parts is key to keeping your 1999 Audi A8 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Oxygen Sensors. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 1999 Audi A8 Oxygen Sensor at Advance Auto Parts is around $108.37, with a range that starts at $50.99 and goes up to $142.99. With 8 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like "DENSO Oxygen Sensor: 4 Wire, 30.91"" Long, Heated, Exact Fit, 234-4664", "Bosch Oxygen Sensor: 4 Wire, 28.74"" Long, Heated, Exact Fit, 13842", and PowerStop Z17 Evolution Ceramic Brake Pads with Hardware, 17-228 start at just $50.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Oxygen Sensor, don’t forget to check out other key components like Fuel Pumps and Gas Caps. At Advance Auto Parts, we’re here to help you keep your 1999 Audi A8 in peak condition, inside and out.

Essential 1999 Audi A8 Oxygen Sensors

DENSO – "DENSO Oxygen Sensor: 4 Wire, 30.91"" Long, Heated, Exact Fit, 234-4664" (Part No.234-4664)

"DENSO Oxygen Sensor: 4 Wire, 30.91"" Long, Heated, Exact Fit, 234-4664"

from

$102.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.
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NTK – "NTK Switching Oxygen Sensor: 4 Wire, 23.5"" Long, Heated, Direct Fit, 25550" (Part No.25550)

"NTK Switching Oxygen Sensor: 4 Wire, 23.5"" Long, Heated, Direct Fit, 25550"

from

$141.99
NGK 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, 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.
See More

NTK – "NTK Switching Oxygen Sensor: 4 Wire, 33.75"" Long, Heated, Direct Fit, 25643" (Part No.25643)

"NTK Switching Oxygen Sensor: 4 Wire, 33.75"" Long, Heated, Direct Fit, 25643"

from

$142.99
NGK 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, 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.
See More

DENSO – "DENSO Oxygen Sensor: 4 Wire, 11.77"" Long, Heated, Universal Fit, 234-4200" (Part No.234-4200)

"DENSO Oxygen Sensor: 4 Wire, 11.77"" Long, Heated, Universal Fit, 234-4200"

from

$107.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.
See More

Bosch – "Bosch Oxygen Sensor: 4 Wire, 28.74"" Long, Heated, Exact Fit, 13842" (Part No.13842)

"Bosch Oxygen Sensor: 4 Wire, 28.74"" Long, Heated, Exact Fit, 13842"

from

$95.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.
See More

PowerStop – PowerStop Z17 Evolution Ceramic Brake Pads with Hardware, 17-228 (Part No.17-228)

PowerStop Z17 Evolution Ceramic Brake Pads with Hardware, 17-228

from

$50.99
The Z17 Evolution Ceramic Brake Pad and Hardware set is a stock replacement brake pad set for your daily driven vehicle. The ceramic pads’ low-dust formula is validated through on-vehicle 3rd party tests in the USA to keep your wheels looking like new. The pads also feature dual-layer high-temperature rubberized shims that insulate noise for virtually silent braking. If you’re looking to refresh the look and braking performance of your old, worn-out brakes, look no further. Say hello to a smooth, quiet commute with Z17 Evolution Ceramic Brake Pads.
See More

DENSO – "DENSO Oxygen Sensor: 4 Wire, 11.77"" Long, Heated, Universal Fit, 234-4201" (Part No.234-4201)

"DENSO Oxygen Sensor: 4 Wire, 11.77"" Long, Heated, Universal Fit, 234-4201"

from

$111.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.
See More

Bosch – "Bosch Oxygen Sensor: 4 Wire, 24.02"" Long, Heated, Universal, 15738" (Part No.15738)

"Bosch Oxygen Sensor: 4 Wire, 24.02"" Long, Heated, Universal, 15738"

from

$111.99
Bosch SmartLink„¢ Universal Oxygen (O2) sensors combine OE-specification base sensors with a flexible, patented Posi-Lock® connector system designed for fast, reliable installation across a wide range of vehicles. Each sensor uses the same high-quality zirconia ceramic element and heater design found in Bosch OE applications, ensuring accurate air-fuel-ratio feedback and dependable performance. The SmartLink„¢ system features Posi-Lock® connectors that create secure, high-temperature & weather resistant electrical connections without the need for soldering, crimping, or specialty tools €” allowing technicians to adapt the sensor to existing harnesses quickly and confidently. The extended lead length provides added flexibility for vehicles with damaged or shortened wiring, and the connector system can be reopened and reused if adjustments are needed. Engineered to provide an easy, universal installation experience, Bosch SmartLink„¢ Universal Oxygen (O2) sensors deliver professional-grade fit and function with the same OE-proven quality and dependability trusted by vehicle manufacturers.
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Most Popular Oxygen Sensors for 1999 Audi A8s

Enhance your 1999 Audi A8 with one of the 8 Oxygen Sensors we have in stock, starting at just $50.99.

Bosch – "Bosch Oxygen Sensor: 4 Wire, 24.02"" Long, Heated, Universal, 15738" (Part No.15738)

"Bosch Oxygen Sensor: 4 Wire, 24.02"" Long, Heated, Universal, 15738"

from

$111.99
Bosch SmartLink„¢ Universal Oxygen (O2) sensors combine OE-specification base sensors with a flexible, patented Posi-Lock® connector system designed for fast, reliable installation across a wide range of vehicles. Each sensor uses the same high-quality zirconia ceramic element and heater design found in Bosch OE applications, ensuring accurate air-fuel-ratio feedback and dependable performance. The SmartLink„¢ system features Posi-Lock® connectors that create secure, high-temperature & weather resistant electrical connections without the need for soldering, crimping, or specialty tools €” allowing technicians to adapt the sensor to existing harnesses quickly and confidently. The extended lead length provides added flexibility for vehicles with damaged or shortened wiring, and the connector system can be reopened and reused if adjustments are needed. Engineered to provide an easy, universal installation experience, Bosch SmartLink„¢ Universal Oxygen (O2) sensors deliver professional-grade fit and function with the same OE-proven quality and dependability trusted by vehicle manufacturers.
See More

DENSO – "DENSO Oxygen Sensor: 4 Wire, 30.91"" Long, Heated, Exact Fit, 234-4664" (Part No.234-4664)

"DENSO Oxygen Sensor: 4 Wire, 30.91"" Long, Heated, Exact Fit, 234-4664"

from

$102.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.
See More

Bosch – "Bosch Oxygen Sensor: 4 Wire, 28.74"" Long, Heated, Exact Fit, 13842" (Part No.13842)

"Bosch Oxygen Sensor: 4 Wire, 28.74"" Long, Heated, Exact Fit, 13842"

from

$95.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.
See More

NTK – "NTK Switching Oxygen Sensor: 4 Wire, 33.75"" Long, Heated, Direct Fit, 25643" (Part No.25643)

"NTK Switching Oxygen Sensor: 4 Wire, 33.75"" Long, Heated, Direct Fit, 25643"

from

$142.99
NGK 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, 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.
See More

NTK – "NTK Switching Oxygen Sensor: 4 Wire, 23.5"" Long, Heated, Direct Fit, 25550" (Part No.25550)

"NTK Switching Oxygen Sensor: 4 Wire, 23.5"" Long, Heated, Direct Fit, 25550"

from

$141.99
NGK 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, 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.
See More

DENSO – "DENSO Oxygen Sensor: 4 Wire, 11.77"" Long, Heated, Universal Fit, 234-4201" (Part No.234-4201)

"DENSO Oxygen Sensor: 4 Wire, 11.77"" Long, Heated, Universal Fit, 234-4201"

from

$111.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.
See More

DENSO – "DENSO Oxygen Sensor: 4 Wire, 11.77"" Long, Heated, Universal Fit, 234-4200" (Part No.234-4200)

"DENSO Oxygen Sensor: 4 Wire, 11.77"" Long, Heated, Universal Fit, 234-4200"

from

$107.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.
See More

PowerStop – PowerStop Z17 Evolution Ceramic Brake Pads with Hardware, 17-228 (Part No.17-228)

PowerStop Z17 Evolution Ceramic Brake Pads with Hardware, 17-228

from

$50.99
The Z17 Evolution Ceramic Brake Pad and Hardware set is a stock replacement brake pad set for your daily driven vehicle. The ceramic pads’ low-dust formula is validated through on-vehicle 3rd party tests in the USA to keep your wheels looking like new. The pads also feature dual-layer high-temperature rubberized shims that insulate noise for virtually silent braking. If you’re looking to refresh the look and braking performance of your old, worn-out brakes, look no further. Say hello to a smooth, quiet commute with Z17 Evolution Ceramic Brake Pads.
See More

FAQs for 1999 Audi A8 Oxygen Sensors

What are the best-selling Oxygen Sensors for 1999 Audi A8s?

Out of 8 Oxygen Sensors that fit 1999 Audi A8s, the following parts are the top sellers:

What’s the price range for 1999 Audi A8 Oxygen Sensors?

The prices of Oxygen Sensors for the 1999 Audi A8 range from $50.99 up to $142.99 for the most premium parts.

What is the average price of an Oxygen Sensor for a 1999 Audi A8?

The average price for Oxygen Sensors for the 1999 Audi A8 is $108.37. Keep in mind the variety of part types within our Oxygen Sensor category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Oxygen Sensors for any other 1999 Audi models?

Yes. We stock Oxygen Sensors for 4 other popular 1999 Audi models. Some of the most popular are 1999 A4 Quattro Oxygen Sensors, 1999 A4 Oxygen Sensors, 1999 A6 Quattro Oxygen Sensors, 1999 A6 Oxygen Sensors, and 1999 A8 Quattro Oxygen Sensors.

What are the top-rated Oxygen Sensors that fit the 1999 Audi A8?

The one 1999 Audi A8 Oxygen Sensor we have in stock is the PowerStop Z17 Evolution Ceramic Brake Pads with Hardware, 17-228. It costs $50.99.

What types of Oxygen Sensors do you sell for my 1999 Audi A8?

We currently have just 1 Oxygen Sensor in stock for a 1999 Audi A8, and as of 8/2/26, it is an Oxygen Sensor.

Can I get help with 1999 Audi A8 Oxygen Sensor orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Audi Oxygen Sensors and more.

What is your return policy for Audi A8 Oxygen Sensors?

Advance Auto Parts keeps returns simple. For new Audi A8 Oxygen Sensors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.