1978 GMC C15 Oxygen Sensors

Keep Your 1978 GMC C15 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 1978 GMC C15 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Oxygen Sensor Connectors. 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 1978 GMC C15 Oxygen Sensor at Advance Auto Parts is around $72.99, with a range that starts at $72.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Reducer w/O2 Sensor Fitting start at just $72.99 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 1978 GMC C15 in peak condition, inside and out.

Essential 1978 GMC C15 Oxygen Sensors

Flowtech – Reducer w/O2 Sensor Fitting (Part No.10110FLT)

Reducer w/O2 Sensor Fitting

from

$72.99


Product Features:
  • Reducer With O-Sensor Fitting
  • Made In USA
See More

Flowtech – Reducer w/O2 Sensor Fitting (Part No.10105FLT)

Reducer w/O2 Sensor Fitting

from

$72.99


Product Features:
  • Reducer With O-Sensor Fitting
  • Made In USA
See More

Most Popular Oxygen Sensor Connectors for 1978 GMC C15s

Enhance your 1978 GMC C15 with one of the 2 Oxygen Sensor Connectors we have in stock, starting at just $72.99.

Flowtech – Reducer w/O2 Sensor Fitting (Part No.10105FLT)

Reducer w/O2 Sensor Fitting

from

$72.99


Product Features:
  • Reducer With O-Sensor Fitting
  • Made In USA
See More

Flowtech – Reducer w/O2 Sensor Fitting (Part No.10110FLT)

Reducer w/O2 Sensor Fitting

from

$72.99


Product Features:
  • Reducer With O-Sensor Fitting
  • Made In USA
See More

FAQs for 1978 GMC C15 Oxygen Sensors

What are the best-selling Oxygen Sensors for 1978 GMC C15s?

Out of 2 Oxygen Sensors that fit 1978 GMC C15s, the following parts are the top sellers:

What is the average price of an Oxygen Sensor for a 1978 GMC C15?

The average price for Oxygen Sensors for the 1978 GMC C15 is $72.99. 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 other GMC C15 model years?

Yes, we carry Oxygen Sensors for 2 model years of GMC C15s between 1975 and 1977. The following model years are the most popular for Oxygen Sensor purchases: 1977, 1976, and 1975.

What are the cheapest Oxygen Sensors for my 1978 GMC C15?

The cheapest 1978 GMC C15 Oxygen Sensors we carry are:

Does Advance Auto Parts sell Oxygen Sensors for any other 1978 GMC models?

Yes. We stock Oxygen Sensors for 5 other popular 1978 GMC models. Some of the most popular are 1978 Jimmy Oxygen Sensors, 1978 K25 Oxygen Sensors, 1978 K15 Oxygen Sensors, 1978 C25 Oxygen Sensors, and 1978 C35 Oxygen Sensors.

What are the top-rated Oxygen Sensors that fit the 1978 GMC C15?

The one 1978 GMC C15 Oxygen Sensor we have in stock is the Reducer w/O2 Sensor Fitting. It costs $72.99.

What types of Oxygen Sensors do you sell for my 1978 GMC C15?

We currently have just 1 Oxygen Sensor in stock for a 1978 GMC C15, and as of 11/2/25, it is an Oxygen Sensor Connector.

Can I get help with 1978 GMC C15 Oxygen Sensor orders?

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

What is your return policy for GMC C15 Oxygen Sensors?

Advance Auto Parts keeps returns simple. For new GMC C15 Oxygen Sensors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.