Chevrolet Trailblazer Fuel and Emissions Systems

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Essential Chevrolet Trailblazer Fuel and Emissions Systems

Edelbrock – Fuel Injection Fuel Rail #3629, -6 AN Black Anodized For Chevrolet LS Gen III (Part No.3629)

Fuel Injection Fuel Rail #3629, -6 AN Black Anodized For Chevrolet LS Gen III

from

$247.99
All Edelbrock fuel rails are machined from high quality extruded aluminum. Each kit includes fuel rails, stands and mounting hardware. Fuel fittings, crossover line and regulator not included. 3629 Fuel Rail Kit is for LS1 engines with Pro-Flo XT Manifold

Product Features:
  • Black AnodizedFinish
  • High Capacity Fuel Rails
  • For Use W/ Pro-Flo XT Manifold #7139
  • -6 AN Inlet / Outlet
  • Made In The USA
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GM Genuine Parts – Multi-Purpose Relay (Part No.19118886)

Multi-Purpose Relay

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$51.99
GM Genuine Parts Wiring Relays are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These relays help connect or disconnect power to a vehicle accessory when it receives a low voltage signal from a switch. 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:
  • Helps connect or disconnect power to vehicle accessories
  • 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
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Felpro – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.70895)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$2.79
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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GM Genuine Parts – Vapor Canister Vent Valve (Part No.25950499)

Vapor Canister Vent Valve

from

$68.99
ACDelco GM Original Equipment Vapor Canister Vent Valves are GM-recommended replacements for your vehicle’s original components. These valves, when opened, allow air to pass in and out of the vapor canister vent. These original equipment vapor canister vent valves have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Controls fresh air flow to the canister
  • Sends fuel vapors to the engine for re-burn
  • Helps control fuel tank pressure
  • 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
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Carquest Premium – Vapor Canister Purge Solenoid: Includes Mounting Hardware (Part No.CPC1016)

Vapor Canister Purge Solenoid: Includes Mounting Hardware

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$62.99
Maximize your vehicle’s efficiency and emissions control with Carquest Vapor Canister Purge Solenoids. Engineered for precision, these solenoids seamlessly regulate the flow of fuel vapors from the Vapor Canister to the engine for cleaner combustion, reducing harmful emissions. Built to meet and/or exceed OEM standards, Carquest Purge Solenoids offer reliable functionality, long-lasting durability, and easy installation.

Product Features:
  • Enhances overall engine performance by providing proper vapor flow to maintain correct air-fuel mixture.
  • Helps reduce harmful emissions and ensures compliance with environmental regulations by controlling the release of fuel vapors into the engine
  • Ensures precise operation with electromagnetic principles to control the flow of fuel vapors from the carbon canister to the engine
  • Manufactured from high quality engineered materials, resistant to fuel vapors and extreme temperatures, ensuring long lasting performance
  • Meets or exceeds all OEM specifications
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Carquest Premium – Multi-Use Connector (Part No.PTA1424)

Multi-Use Connector

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$74.99
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:
  • 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
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Delphi – Fuel Injection Pressure Regulator (Part No.FP10299)

Fuel Injection Pressure Regulator

from

$121.99
Precision is key for the fuel pressure regulator on any vehicle. At Delphi, we use OE engineering to test our regulators and fuel technologies to ensure the utmost performance and durability. Our Nitrile¿ diaphragms are resilient against high-ethanol fuels, and we utilize two designs to help meet emissions standards while covering a wide array of domestic vehicles. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management. Visit our Resource Center for helpful tips and tricks on fuel pumps technologies and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
  • Quiet operation, no audible regulator noise
  • Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
  • Consistent and predictable fuel pressure throughout system range of control provides great drivability
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GM Genuine Parts – 5-Way Female Gray Multi-Purpose Pigtail (Part No.PT1154)

5-Way Female Gray Multi-Purpose Pigtail

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$45.49
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:
  • 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
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Felpro – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.70947)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$3.79
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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GM Genuine Parts – Fuel Injector Retainer (Part No.12585749)

Fuel Injector Retainer

from

$14.99
GM Genuine Parts Fuel Injector Clips 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:
  • 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
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GM Genuine Parts – Heated Oxygen Sensor (Part No.213-3537)

Heated Oxygen Sensor

from

$126.99
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:
  • 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
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GM Genuine Parts – Mass Airflow Sensor with Intake Air Temperature Sensor (Part No.213-4222)

Mass Airflow Sensor with Intake Air Temperature Sensor

from

$108.99
GM Genuine Parts Mass Air Flow (MAF) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors are key parts of the engine management system, and are GM-recommended replacements for your vehicle’s original components. The MAF sensor measures the amount of air entering the engine so that the engine control module can determine the amount of fuel to inject. This helps ensure the most efficient air/fuel mixture for the best fuel economy and power. 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:
  • Measures the amount of air entering the engine so the ECM can determine the amount of fuel to inject
  • 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
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Dorman – Secondary Air Injection Pump (Part No.306-012)

Secondary Air Injection Pump

from

$211.99
This secondary air injection pump is designed to match the fit and function of the original pump on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this secondary air injection pump is designed to match the fit and function of the original pump on specified applications
  • Restores functionality – reliable replacement for an original part that is leaking or has failed due to internal component failure
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Ambient Air Temperature Sensor (Part No.902-026)

Ambient Air Temperature Sensor

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:
  • 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
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Carquest Premium – Remanufactured Multi Port Fuel Injector (Part No.A211-2193)

Remanufactured Multi Port Fuel Injector

from

$54.99
CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes new O-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
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GM Genuine Parts – Fuel Pressure Relief Valve Cap (Part No.214-1044)

Fuel Pressure Relief Valve Cap

from

$6.29
GM Genuine Parts Fuel Pressure Relief Valve Caps 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:
  • 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
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GM Genuine Parts – Multi-Port Fuel Injector O-Ring Kit with 16 O-Rings (Part No.217-3092)

Multi-Port Fuel Injector O-Ring Kit with 16 O-Rings

from

$41.99
GM Genuine Parts Fuel Injector Seal Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These seals help provide liquid-tight connections between the fuel injector and related components. 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:
  • Helps provide a seal to prevent fuel leaks
  • Helps seal combustion chamber from the elements
  • 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
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Carquest Premium – New Map Sensor (Part No.ECC1011)

New Map Sensor

from

$67.99
CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:
  • CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
  • CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
  • CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.
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ACDelco – Vapor Canister Vent Valve (Part No.22865590)

Vapor Canister Vent Valve

from

$39.99
ACDelco GM Original Equipment Vapor Canister Vent Solenoids are GM-recommended replacements for your vehicle’s original components. These solenoids communicate with the valve to open and close, allowing air to pass in and out of the vapor canister vent. These original equipment vapor canister vent solenoids have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Controls fresh air flow to the canister
  • Sends fuel vapors to the engine for re-burn
  • Helps control fuel tank pressure
  • 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
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Carquest Premium – Secondary Air Injection Pump Check Valve (Part No.ECC1145)

Secondary Air Injection Pump Check Valve

from

$284.99
The Secondary Air Injection system is an emission control device designed to pump fresh air into the engine exhaust system to reduce harmful emissions. The Air Injection Pump Check Valve will allow air flow in one direction only to prevent an engine back-fire condition.

Product Features:
  • Application matched component to ensure the system can be returned to like new condition.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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Carquest Premium – Diverter Valve (Part No.ECC1171)

Diverter Valve

from

$77.99
The Secondary Air Injection system is an emission control device designed to pump fresh air into the engine exhaust system to reduce harmful emissions and convert the emission into harmless water vapor via a chemical reaction. These systems were used heavily in the pre-catalytic converter emission control period but found some application in vehicles with catalytic converter systems.

Product Features:
  • Application matched component to ensure the system can be returned to like new condition.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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GM Genuine Parts – Fuel Tank Sending Unit Lock Ring (Part No.TR14)

Fuel Tank Sending Unit Lock Ring

from

$23.99
GM Genuine Parts Fuel Tank Sending Unit Lock Rings are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These rings help seal out contaminants, and help retain your vehicle’s fuel tank sending unit. 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:
  • Help seal out contaminants
  • Help retain fuel tank sending unit
  • 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
See More

Dorman – Fuel Pump Gasket (Part No.911-572)

Fuel Pump Gasket

from

$16.99
This fuel pump tank seal is designed to match the fit and function of the original seal on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this fuel pump tank seal is designed to match the fit and function of the original seal on specified vehicles
  • Restores functionality – reliable replacement for an original part that has failed due to fatigue or due for replacement during fuel pump tank service
  • Durable construction – recommended for replacement when the fuel pump or sensor is replaced
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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GM Genuine Parts – Mass Airflow Sensor Gasket (Part No.15813321)

Mass Airflow Sensor Gasket

from

$11.99
GM Genuine Parts Mass Air Flow Sensor Gaskets 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:
  • 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
See More

Felpro – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.72755)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$7.49
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Chevrolet Trailblazer Fuel and Emissions Systems Categories

Helping You Find the Right Fuel and Emissions Systems for Your Chevrolet Trailblazer

You love your Trailblazer. So we’ve made it easier than ever to help you find Chevrolet Trailblazer Fuel and Emissions Systems in our online catalog. Our inventory holds 192 aftermarket and OEM Fuel and Emissions Systems for your Chevrolet Trailblazer, ranging from $1.49 to $2,754.99.

We offer parts from 21 brands trusted to make quality Fuel and Emissions Systems for your Chevrolet Trailblazer. Before you buy, take some time to read through customer reviews. We currently have 9,703 reviews of Chevrolet Trailblazer Fuel and Emissions Systems from previous customers. Some of the top rated parts include Non-Locking Fuel Tank Cap with 4.4 stars and Locking Fuel Tank Cap with 4.4 stars.

Find your Trailblazer Fuel and Emissions Systems here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Chevrolet Trailblazer part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Fuel and Emissions Systems Brands for Your Chevrolet Trailblazer

Our inventory holds Fuel and Emissions Systems for your Chevrolet Trailblazer from 21 trusted brands. You’ll find OEM and aftermarket parts from brands like Carquest Premium, Bosch, and GM Genuine, all of which can keep that Chevrolet happy.
We have ACDelco parts available for your Chevrolet Trailblazer in categories like Air Flow Sensors. Some of the top-rated ACDelco parts in these categories are:
Manifold Absolute Pressure (MAP) Sensor
from $89.99
(2)
Manifold Absolute Pressure (MAP) Sensor
MAP-Barometric Pressures

Top-Rated DENSO Fuel and Emissions Systems

Leading DENSO Fuel and Emissions Systems

We carry DENSO brand parts for your Chevrolet Trailblazer across several catalog categories, including Oxygen Sensors. Some of our most reviewed DENSO parts include:

FAQs for Chevrolet Trailblazer Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the Chevrolet Trailblazer?

Out of 192 Fuel and Emissions Systems for the Chevrolet Trailblazer, the most popular in our inventory are:
Non-Locking Fuel Tank Cap
from $20.99
(37)
Non-Locking Fuel Tank Cap
Gas Caps
Vapor Canister Purge Valve
from $68.99
(18)
Vapor Canister Purge Valve
Vapor Canister Purge Valves

What are the top-rated Chevrolet Trailblazer Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your Chevrolet Trailblazer based on customer reviews/ratings are:
Non-Locking Fuel Tank Cap
from $7.99
(139)
Non-Locking Fuel Tank Cap
“it worked”
Locking Fuel Tank Cap
from $24.99
(36)
Locking Fuel Tank Cap
“It’s the best product. Great price!”
Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack
from $14.99
(31)
Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack
“solved check engine light”