2026 GMC Terrain Fuel and Emissions Systems
Find Your Specific 2026 GMC Terrain Fuel and Emissions Systems
Below you will find various in-demand GMC Fuel and Emissions Systems, components and accessories for your 2026 Terrain. Advance Auto Parts has popular Terrain parts like Vapor Canister Purge Valves, Oxygen Sensors, Air Flow Sensors and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other Terrain model years including
2015,
2016,
2017,
2018,
2019,
2020,
2021,
2022,
2023 and more. Select a category of 2026 GMC Terrain Fuel and Emissions Systems below and start saving instantly.
Popular 2026 GMC Terrain Fuel and Emissions Systems Categories
Essential Fuel and Emissions Systems for 2026 GMC Terrains
Carquest Premium – Vapor Canister Vent Valve: Includes Mounting Hardware (Part No.CPA1649)
from
$37.99
Ensure that your vehicle’s emission control system performs at its best with Carquest premium Vapor Canister Vent Valves. Manufactured for long-lasting performance, these Vent Valves provide reliable operation and help maintain your vehicle’s compliance with environmental regulations. For cleaner emissions, optimal vehicle efficiency and perfomance, trust Carquest Vapor Canister Vent Valves.
Product Features:
See More
Product Features:
- Provides closure for the EVAP system (normally vented) during OBD II test cycle
- Includes integrated filter, where applicable, that captures contaminants and particulates from incoming air, preventing clogging and ensuring clean airflow
- Quick valve response to engine demands, ensuring efficient venting of vapors and optimizing overall engine performance
- Meets or exceeds all OEM specifications
GM Genuine Parts – VALVE (Part No.85123399)
from
$57.37
VALVE
Bosch – Oxygen Sensor: 4 Wire, 12.2" Long, Heated, Exact Fit (Part No.16454)
from
$63.99
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.
Product Features:
See More
Product Features:
- Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
- Direct Fit includes OE Connector for easy installation
- Performance meets or exceeds OE specifications
- True Direct-fit OE connectors and harness
Bosch – Oxygen Sensor: 4 Wire, 22" Long, Heated, Exact Fit (Part No.15128)
from
$58.99
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.
Product Features:
See More
Product Features:
- Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
- Direct Fit includes OE Connector for easy installation
- Performance meets or exceeds OE specifications
- True Direct-fit OE connectors and harness
GM Genuine Parts – Heated Oxygen Sensor (Part No.12634061)
from
$76.99
GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors are special feedback sensors on your vehicle’s exhaust system and measure the proportion of oxygen in exhaust gases. Using this measurement, the engine control module (ECM) can adjust the air/fuel ratio to near the optimal value of 14.7:1. At this ratio, engine performance, emissions, and fuel economy are all optimized. 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:
- This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
- Detects oxygen content in the exhaust gases to help optimize emissions
- 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
DENSO – Oxygen Sensor: Downstream, 4 Wire, 12.40" Long, Heated, Exact Fit (Part No.234-4530)
from
$71.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. 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 poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.
Product Features:
See More
Product Features:
- Specifically designed to meet the increasing demands of today’s engines
- 100 percent checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
- Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
- Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
- Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination
DENSO – Oxygen Sensor: 4 Wire, 21.65" Long, Heated, Exact Fit (Part No.234-4673)
from
$72.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. 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 poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.
Product Features:
See More
Product Features:
- Specifically designed to meet the increasing demands of today’s engines
- 100 percent checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
- Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
- Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
- Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination
Bosch – Oxygen Sensor: 4 Wire, 24.92" Long, Heated, Universal (Part No.15733)
from
$92.99
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.
Product Features:
See More
Product Features:
- Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
- Includes Smart Link Connector, no soldering required
- No special tools required for installation
- Seared protection tube due to 100% functional quality test
- Performance meets or exceeds OE specifications
Bosch – Oxygen Sensor: 4 Wire, 19.88" Long, Heated, Exact Fit (Part No.15283)
from
$115.99
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.
Product Features:
See More
Product Features:
- Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
- Direct Fit includes OE Connector for easy installation
- Performance meets or exceeds OE specifications
- True Direct-fit OE connectors and harness
NTK – Switching Oxygen Sensor: 4 Wire, 14.75" Long, Heated, Direct Fit (Part No.21071)
from
$95.99
NGK is the sensor specialist for import and domestic applications. Established under the NGK product family, oxygen sensors are part of our ongoing commitment to streamlining product types and increasing coverage. A ceramic company at our core, uses cutting-edge technology to control the ceramic used in our oxygen sensors from raw material to finished product. is the world’s largest supplier and manufacturer of OE oxygen sensors. Combining expertise and innovation, oxygen sensors deliver superior fit, form, and function. oxygen sensors undergo extensive testing during manufacturing to ensure quality and reliability that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for comprehensive market support and OE application technology.
Product Features:
See More
Product Features:
- OEM QUALITY: is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
- PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, Oxygen Sensors offer superior OE fit, form, function
- OE TECHNOLOGY: Upgraded to the latest OE technologies, Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
- EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
- EASY INSTALLATION: Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
- ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
- ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1221)
from
$10.99
The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.
Product Features:
See More
Product Features:
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
- 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
- 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
- Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
- Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
- Application matched components ensures system operation in like new condition.
Dorman – Ambient Air Temperature Sensor (Part No.902-026)
from
$10.99
This ambient air temperature sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this ambient air temperature sensor is designed to match the fit and function of the original sensor on specified vehicles
- Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
- Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
GM Genuine Parts – Ambient Air Temperature Sensor (Part No.13583411)
from
$12.99
ACDelco GM Original Equipment Ambient Air Temperature Sensors are used with automatic climate control systems. The sensors provide the HVAC system controller with outside air temperature, allowing the controller to modify the climate-control strategy. The sensors may also provide the signal for the outside temperature in the driver information display. This original equipment ambient air temperature sensor is a GM-recommended replacement for your vehicle’s original components and has 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:
- Repairs the outside temperature display function caused by failed ambient temp sensor
- 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
Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1069)
from
$15.99
The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.
Product Features:
See More
Product Features:
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
- 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
- 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
- Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
- Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
- Application matched components ensures system operation in like new condition.
GM Genuine Parts – Ambient Air Temperature Sensor (Part No.15-51150)
from
$16.99
ACDelco GM Original Equipment Ambient Air Temperature Sensors are used with automatic climate control systems. The sensors provide the HVAC system controller with outside air temperature, allowing the controller to modify the climate-control strategy. The sensors may also provide the signal for the outside temperature in the driver information display. This original equipment ambient air temperature sensor is a GM-recommended replacement for your vehicle’s original components and has 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:
- Repairs the outside temperature display function caused by failed ambient temp sensor
- 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
Dorman – Evaporative Emissions Purge Solenoid Valve (Part No.911-734)
from
$27.99
Engineered for a perfect fit and plug-and-play installation, this vapor canister purge valve is a direct replacement for the original equipment purge valve. It is critical to the evaporative emissions system and fulfills government requirements.
Product Features:
See More
Product Features:
- Direct replacement – this vapor canister purge valve fits and functions like original equipment to ensure proper function of your vehicle’s evaporative emissions system
- Quality construction – manufactured from premium materials for a long service life
- Excellent value – original equipment quality at a lower price
- Quality tested – has undergone testing to ensure proper fit and performance
GM Genuine Parts – Evaporative Emission Canister Purge Solenoid Valve (Part No.12737252)
from
$49.99
GM Genuine Parts Vapor Canister Purge Valves 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:
See More
Product Features:
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- 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
GM Genuine Parts – Vapor Canister Purge Valve (Part No.12632174)
from
$66.99
ACDelco GM Original Equipment Vapor Canister Purge Valves are GM-recommended replacements for your vehicle’s original components. The purge valve controls the flow of fuel vapor from the vapor canister to the intake manifold. These original equipment vapor canister purge valves 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:
- Controls vapor flow from canister to engine
- 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 – Vapor Canister Purge Valve (Part No.214-1680)
from
$68.99
Vapor Canister Purge Valves are GM-recommended replacements for your vehicle’s original components. The purge valve controls the flow of fuel vapor from the vapor canister to the intake manifold. These original equipment vapor canister purge valves 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:
- Controls vapor flow from canister to engine
- 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
Upgrade your 2026 GMC Terrain with Top-Quality Fuel and Emissions Systems
When it comes to maintaining or upgrading your 2026 GMC Terrain, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your Terrain functioning at its best. At Advance Auto Parts, we offer a wide selection of 4 Fuel and Emissions Systems for the 2026 GMC Terrain, designed to meet your needs without breaking the bank.
From
Vapor Canister Purge Valve
replacements to
Oxygen Sensors
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Fuel and Emissions Systems for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Fuel and Emissions Systems for your 2026 GMC Terrain at great prices.
Our Fuel and Emissions Systems inventory for this model
ranges from just $12.99 to $87.99, with
an average price of $56.34.
Our 4 Fuel and Emissions Systems in stock come from trusted brands, so you’re sure to find the right part for your 2026 GMC Terrain without overspending.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Fuel and Emissions System upgrades. Explore related part types like Wheels and Tires, Electrical Parts
and more to make sure your 2026 GMC Terrain is always ready to roll. We’re committed to providing you with everything you need to keep your Terrain in top shape, all in one place.
Start shopping confidently below for your 2026 GMC Terrain!
Best-Selling Vapor Canister Purge Valves for 2026 GMC Terrains
Enhance the driving experience in your GMC with 2 quality Vapor Canister Purge Valve components, starting at $57.37.
GM Genuine Parts – Vapor Canister Purge Valve (Part No.12632174)
from
$66.99
ACDelco GM Original Equipment Vapor Canister Purge Valves are GM-recommended replacements for your vehicle’s original components. The purge valve controls the flow of fuel vapor from the vapor canister to the intake manifold. These original equipment vapor canister purge valves 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:
- Controls vapor flow from canister to engine
- 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 – VALVE (Part No.85123399)
from
$57.37
VALVE
Most Popular 2026 GMC Terrain Oxygen Sensors
Customize your GMC with 1 Oxygen Sensors products
like Oxygen Sensors, all
priced under $87.99.
GM Genuine Parts – Heated Oxygen Sensor (Part No.12701634)
from
$87.99
GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors are special feedback sensors on your vehicle’s exhaust system and measure the proportion of oxygen in exhaust gases. Using this measurement, the engine control module (ECM) can adjust the airfuel ratio to near the optimal value of 14.7:1. At this ratio, engine performance, emissions, and fuel economy are all optimized. 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:
- This part requires programming andor special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
- Detects oxygen content in the exhaust gases to help optimize emissions
- 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
Top Picks for 2026 GMC Terrain Air Flow Sensors
Upgrade GMC Terrains with top-quality Air Flow Sensors parts, including 1 OEM and aftermarket selections for your 2026 model.
GM Genuine Parts – Ambient Air Temperature Sensor (Part No.13583411)
from
$12.99
ACDelco GM Original Equipment Ambient Air Temperature Sensors are used with automatic climate control systems. The sensors provide the HVAC system controller with outside air temperature, allowing the controller to modify the climate-control strategy. The sensors may also provide the signal for the outside temperature in the driver information display. This original equipment ambient air temperature sensor is a GM-recommended replacement for your vehicle’s original components and has 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:
- Repairs the outside temperature display function caused by failed ambient temp sensor
- 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
FAQs for 2026 GMC Terrain Fuel and Emissions Systems
Which Fuel and Emissions Systems are best-sellers for 2026 GMC Terrains?
Out of 4 Fuel and Emissions Systems that fit 2026 GMC Terrains, the following parts are the top sellers:
- Ambient Air Temperature Sensor (12111479) – $12.99
- Vapor Canister Purge Valve (12044716) – $66.99
- VALVE (50217479) – $57.37
What’s the price range for 2026 GMC Terrain Fuel and Emissions Systems?
Fuel and Emissions System prices for the 2026 GMC Terrain start at $12.99 and go up to $87.99 for the most premium parts.
What’s the average price of a Fuel and Emissions System for a 2026 GMC Terrain?
The average price for Fuel and Emissions Systems for the 2026 GMC Terrain is $56.34. Keep in mind the variety of part types within our Fuel and Emissions System category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Fuel and Emissions Systems for other GMC Terrain model years?
What are the cheapest Fuel and Emissions Systems for my 2026 GMC Terrain?
The cheapest 2026 GMC Terrain Fuel and Emissions Systems we carry in stock are:
- Ambient Air Temperature Sensor (12111479) – $12.99
- VALVE (50217479) – $57.37
- Vapor Canister Purge Valve (12044716) – $66.99
- Heated Oxygen Sensor (50089853) – $87.99
What types of Fuel and Emissions Systems do you sell for my 2026 GMC Terrain?
As of 11/2/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2026 GMC Terrain:
Can I get help with 2026 GMC Terrain Fuel and Emissions System orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Fuel and Emissions Systems and more.
What is your return policy for GMC Terrain Fuel and Emissions Systems?
Advance Auto Parts keeps returns simple. For new GMC Terrain Fuel and Emissions Systems and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
