2021 GMC Terrain Electrical Connectors
Keep Your 2021 GMC Terrain in Top Shape with Quality Electrical Connectors
Whether you’re repairing or upgrading your Electrical Connector, using high-quality parts is key to keeping your 2021 GMC Terrain looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Oil Pressure Switch and Senders, Forward Lamp Harness Connectors, and Ignition Knock (Detonation) 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 2021 GMC Terrain Electrical Connector at Advance Auto Parts is around $49.29, with a range that starts at $37.49 and goes up to $81.99. With 5 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Engine Oil Pressure Sensor, Engine Oil Pressure Sensor, and Black Multi-Purpose Pigtail start at just $37.49 and offer a great balance of form and function.
Find Your Specific 2021 GMC Terrain Electrical Connectors
Looking for the perfect Electrical Connector for your 2021 GMC Terrain? You’re in the right place. Below, you’ll find links to various types of Electrical Connectors that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Electrical Connectors, ensuring durability and a precise fit for your GMC Terrain. Whether you’re driving a 2021 model or another popular model year like
2012,
2013,
2014,
2015,
2016,
2017,
2018,
2019, and
2020, we’ve got you covered. Purchasing Electrical Connectors 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 Electrical Connectors that fit your vehicle.
Essential 2021 GMC Terrain Electrical Connectors
GM Genuine Parts – Engine Oil Pressure Sensor (Part No.12727099)
from
$37.99
GM Genuine Parts Engine Oil Pressure Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).
Product Features:
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Product Features:
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
Dorman – Engine Oil Pressure Sensor (Part No.926-397)
from
$42.99
This engine oil pressure sensor is designed to match the function of an original sensor on specified vehicles. It is engineered to help accurately monitor oil pressure when an original sensor has failed from heat or internal component damage.
Product Features:
See More
Product Features:
- Direct replacement – this engine oil pressure sensor is designed to match the fit and function of an original sensor on specified vehicles
- Ideal solution – engineered to help accurately monitor oil pressure when an original sensor has failed from heat or internal component damage
- Durable construction – designed and manufactured to strict specifications for reliable performance
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Carquest Premium – Engine Oil Pressure Switch (Part No.SBC1011)
from
$49.99
Carquest Premium oil pressure sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium oil pressure sensors and switches are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium oil pressure sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. They are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered, and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- Manufactured with high quality materials, industry-leading electronic components and strict quality controls
- O-rings, seals or thread sealant are included if required
- Extensive design validation testing and 100% end-of-line tested
Carquest Premium – Engine Oil Pressure Switch (Part No.SBA1021)
from
$22.49
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Oil Pressure Sensor/Switch monitors the engine¿s oil pressure, providing critical feedback to the driver and engine control unit to prevent potential damage from low oil pressure conditions. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.
Product Features:
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Product Features:
- Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
- Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
- Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
- Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.
Carquest Premium – Engine Oil Pressure Sensor (Part No.SBC1007)
from
$88.99
Carquest Premium oil pressure sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium oil pressure sensors and switches are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium oil pressure sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. They are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered, and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- Manufactured with high quality materials, industry-leading electronic components and strict quality controls
- O-rings, seals or thread sealant are included if required
- Extensive design validation testing and 100% end-of-line tested
GM Genuine Parts – Engine Oil Pressure Sensor (Part No.25202591)
from
$112.99
GM Genuine Parts Engine Oil Pressure Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors provide electrical oil pressure signals to the engine control module. They measure the oil pressure in your vehicle’s engine and are designed to alert you through the oil pressure gauge or warning lamp if the oil pressure falls below recommended levels. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).
Product Features:
See More
Product Features:
- Designed to alert the vehicle operator to oil related malfunctions
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
Carquest Premium – Engine Oil Pressure Switch (Part No.SBA1778)
from
$66.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Multi-Use Connector (Part No.PTA1178)
from
$44.99
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.PTA1413)
from
$38.99
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
GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT2550)
from
$37.49
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
Product Features:
See More
Product Features:
- Protective outer coverings help provide long-lasting durability
- Color-coded wires allow for easy installation
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
GM Genuine Parts – Black Multi-Purpose Pigtail Kit with Splices (Part No.PT2897)
from
$84.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
Product Features:
See More
Product Features:
- Protective outer coverings help provide long-lasting durability
- Color-coded wires allow for easy installation
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
Popular 2021 GMC Terrain Electrical Connectors Categories
Most Popular Oil Pressure Switch and Senders for 2021 GMC Terrains
Enhance your 2021 GMC Terrain with one of the 2 Oil Pressure Switch and Senders we have in stock, starting at just $42.99.
Carquest Premium – Engine Oil Pressure Sensor (Part No.SBC1225)
from
$81.99
Carquest Premium oil pressure sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium oil pressure sensors and switches are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium oil pressure sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. They are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered, and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- Manufactured with high quality materials, industry-leading electronic components and strict quality controls
- O-rings, seals or thread sealant are included if required
- Extensive design validation testing and 100% end-of-line tested
Dorman – Engine Oil Pressure Sensor (Part No.926-397)
from
$42.99
This engine oil pressure sensor is designed to match the function of an original sensor on specified vehicles. It is engineered to help accurately monitor oil pressure when an original sensor has failed from heat or internal component damage.
Product Features:
See More
Product Features:
- Direct replacement – this engine oil pressure sensor is designed to match the fit and function of an original sensor on specified vehicles
- Ideal solution – engineered to help accurately monitor oil pressure when an original sensor has failed from heat or internal component damage
- Durable construction – designed and manufactured to strict specifications for reliable performance
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Best-Selling 2021 GMC Terrain Forward Lamp Harness Connector
Upgrade your Terrain with our best-selling Forward Lamp Harness Connector.
GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT2550)
from
$37.49
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
Product Features:
See More
Product Features:
- Protective outer coverings help provide long-lasting durability
- Color-coded wires allow for easy installation
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
Top-Quality Ignition Knock (Detonation) Sensor Connectors for 2021 GMC Terrains
Choose a high-quality OEM or aftermarket Ignition Knock (Detonation) Sensor Connector for GMC Terrains and enjoy top-notch performance from $44.99.
Carquest Premium – Multi-Use Connector (Part No.PTA1178)
from
$44.99
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
Our Top Pick for a 2021 GMC Terrain Engine Oil Level Sensor Connector
Invest in a
durable Engine Oil Level Sensor Connector for your 2021 GMC, knowing you’re getting trusted brands and expert craftsmanship.
Carquest Premium – Multi-Use Connector (Part No.PTA1413)
from
$38.99
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 2021 GMC Terrain Electrical Connectors
What are the best-selling Electrical Connectors for 2021 GMC Terrains?
Out of 5 Electrical Connectors that fit 2021 GMC Terrains, the following parts are the top sellers:
- Engine Oil Pressure Sensor (12450593) – $81.99
- Engine Oil Pressure Sensor (12505359) – $42.99
- Black Multi-Purpose Pigtail (11895054) – $37.49
What’s the price range for 2021 GMC Terrain Electrical Connectors?
The prices of Electrical Connectors for the 2021 GMC Terrain range from $37.49 up to $81.99 for the most premium parts.
What is the average price of an Electrical Connector for a 2021 GMC Terrain?
The average price for Electrical Connectors for the 2021 GMC Terrain is $49.29. Keep in mind the variety of part types within our Electrical Connector category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Electrical Connectors for other GMC Terrain model years?
What are the cheapest Electrical Connectors for my 2021 GMC Terrain?
The cheapest 2021 GMC Terrain Electrical Connectors we carry are:
- Black Multi-Purpose Pigtail (11895054) – $37.49
- Multi-Use Connector (12441328) – $38.99
- Engine Oil Pressure Sensor (12505359) – $42.99
- Multi-Use Connector (12447040) – $44.99
- Engine Oil Pressure Sensor (12450593) – $81.99
Does Advance Auto Parts sell Electrical Connectors for any other 2021 GMC models?
Yes. We stock Electrical Connectors for 9 other popular 2021 GMC models. Some of the most popular are 2021 Sierra 1500 Electrical Connectors, 2021 Sierra 2500 HD Electrical Connectors, 2021 Savana 2500 Electrical Connectors, 2021 Sierra 3500 HD Electrical Connectors, and 2021 Savana 3500 Electrical Connectors.
What types of Electrical Connectors do you sell for my 2021 GMC Terrain?
As of 11/2/25, these are some of the most in-demand types of Electrical Connectors for a 2021 GMC Terrain:
Can I get help with 2021 GMC Terrain Electrical Connector orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Electrical Connectors and more.
What is your return policy for GMC Terrain Electrical Connectors?
Advance Auto Parts keeps returns simple. For new GMC Terrain Electrical Connectors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.