1999 GMC C6500 Topkick Oxygen Sensors
Keep Your 1999 GMC C6500 Topkick 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 GMC C6500 Topkick 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 1999 GMC C6500 Topkick Oxygen Sensor at Advance Auto Parts is around $50.99, with a range that starts at $41.99 and goes up to $59.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Multi-Use Connector and Multi-Use Connector start at just $41.99 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 Air Flow Sensors and Fuel Pumps. At Advance Auto Parts, we’re here to help you keep your 1999 GMC C6500 Topkick in peak condition, inside and out.
Find Your Specific 1999 GMC C6500 Topkick Oxygen Sensors
Looking for the perfect Oxygen Sensor for your 1999 GMC C6500 Topkick? You’re in the right place. Below, you’ll find links to various types of Oxygen Sensors that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Oxygen Sensors, ensuring durability and a precise fit for your GMC C6500 Topkick. Whether you’re driving a 1999 model or another popular model year like
2001,
2002,
2003,
2004,
2005,
2006,
2007,
2008, and
2009, we’ve got you covered. Purchasing Oxygen Sensors from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Oxygen Sensors that fit your vehicle.
Essential 1999 GMC C6500 Topkick Oxygen Sensors
Carquest Premium – Multi-Use Connector (Part No.PTA1685)
from
$34.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
See More
Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Carquest Premium – Multi-Use Connector (Part No.PTA2022)
from
$54.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
See More
Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Carquest Premium – Multi-Use Connector (Part No.PTA3163)
from
$43.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
See More
Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Carquest Premium – Multi-Use Connector (Part No.PTA1761)
from
$59.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
See More
Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Carquest Premium – Multi-Use Connector (Part No.PTA1397)
from
$41.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
See More
Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- Product constructed to meet all design and operating characteristics as intended by the manufacturer.
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Carquest Premium – Multi-Use Connector (Part No.PTA1687)
from
$47.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
See More
Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Popular 1999 GMC C6500 Topkick Oxygen Sensors Categories
Most Popular Oxygen Sensor Connectors for 1999 GMC C6500 Topkicks
Enhance your 1999 GMC C6500 Topkick with one of the 2 Oxygen Sensor Connectors we have in stock, starting at just $41.99.
Carquest Premium – Multi-Use Connector (Part No.PTA1397)
from
$41.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
See More
Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- Product constructed to meet all design and operating characteristics as intended by the manufacturer.
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Carquest Premium – Multi-Use Connector (Part No.PTA1761)
from
$59.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
See More
Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
FAQs for 1999 GMC C6500 Topkick Oxygen Sensors
What are the best-selling Oxygen Sensors for 1999 GMC C6500 Topkicks?
Out of 2 Oxygen Sensors that fit 1999 GMC C6500 Topkicks, the following parts are the top sellers:
- Multi-Use Connector (12435944) – $41.99
- Multi-Use Connector (12435848) – $59.99
What’s the price range for 1999 GMC C6500 Topkick Oxygen Sensors?
The prices of Oxygen Sensors for the 1999 GMC C6500 Topkick range from $41.99 up to $59.99 for the most premium parts.
What is the average price of an Oxygen Sensor for a 1999 GMC C6500 Topkick?
The average price for Oxygen Sensors for the 1999 GMC C6500 Topkick is $50.99. 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 C6500 Topkick model years?
What are the cheapest Oxygen Sensors for my 1999 GMC C6500 Topkick?
The cheapest 1999 GMC C6500 Topkick Oxygen Sensors we carry are:
- Multi-Use Connector (12435944) – $41.99
- Multi-Use Connector (12435848) – $59.99
Does Advance Auto Parts sell Oxygen Sensors for any other 1999 GMC models?
Yes. We stock Oxygen Sensors for 18 other popular 1999 GMC models. Some of the most popular are 1999 Yukon Oxygen Sensors, 1999 Sierra 1500 Oxygen Sensors, 1999 Savana 1500 Oxygen Sensors, 1999 Savana 2500 Oxygen Sensors, and 1999 Jimmy Oxygen Sensors.
What types of Oxygen Sensors do you sell for my 1999 GMC C6500 Topkick?
We currently have just 1 Oxygen Sensor in stock for a 1999 GMC C6500 Topkick, and as of 11/2/25, it is an Oxygen Sensor Connector.
Can I get help with 1999 GMC C6500 Topkick 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 C6500 Topkick Oxygen Sensors?
Advance Auto Parts keeps returns simple. For new GMC C6500 Topkick Oxygen Sensors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.