2003 Chevrolet Trailblazer Fuel and Emissions Systems

Essential 2003 Chevrolet Trailblazer Fuel and Emissions Systems

Carquest Premium – Remanufactured Fuel Injector (Part No.A211-2033)

Remanufactured Fuel Injector

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$49.99
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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Carquest – Fuel Tank Straps (Includes 2 Straps) (Part No.578-238)

Fuel Tank Straps (Includes 2 Straps)

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$38.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tank straps meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our expertise
  • Direct fit ensures safe, secure fuel tank installation
  • Product individually packaged and labeled to help reduce product damage prior to installation
  • Industry leading coverage on straps for plastic tanks
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ACDelco – 4-Way Male Gray Multi-Purpose Pigtail (Part No.PT1373)

4-Way Male Gray Multi-Purpose Pigtail

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$67.99
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:
  • 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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ACDelco – Vapor Canister Vent (Part No.B7091703083ACD)

Vapor Canister Vent

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$75.67
Vapor Canister Vent

ACDelco – Vapor Canister Purge Valve (Part No.214-2246)

Vapor Canister Purge Valve

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$62.99
ACDelco Professional Vapor Canister Purge Solenoid is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket solenoid is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations 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

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$274.99
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 – Alternator Connector (Part No.PTA1159)

Alternator Connector

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$13.49
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.

Product Features:
  • Premium quality materials for longer service life
  • 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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Dorman – Fuel Pump Gasket (Part No.911-572)

Fuel Pump Gasket

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$14.49
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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KAI – Fuel Pump Module Assembly (Part No.FMD010460)

Fuel Pump Module Assembly

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$334.99
New Platinum Pro Fuel Module, 05-07 Trailblazer, 05-06 Ssr, Except Long Wheelbase

Product Features:
  • 05-07 Trail Blazer 05-06 SSR Except Long Wheelbase
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

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$12.49
To perform a complete fuel pump replacement, clean the tank every time. Order the Delphi Fuel Tank Cleaning Kit (Part FC01). Remember, the original pump went into a clean fuel tank, to ensure the same level of performance, the new pump should too. 100 ye

Product Features:
  • Helps avoid premature fuel pump failure
  • Lint free towel included
  • Low suds formulation
  • Removes harmful contaminants from the fuel tank
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Carquest – A/C Auto Temperature Control Relay (Part No.R3107)

A/C Auto Temperature Control Relay

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$18.99
Product Features:
  • Our units are all pre-aligned & pre-adjusted to save installation time and ensure proper switching.
  • A lubricated felt pad that lubricates the cam lobes on the vehicles distributor. This reduces wear on the point set rubbing block, extending the usable life of the part.
  • Ventilated where available, tungsten contacts, which run cooler and exhibit less erosion.
  • The copper-alloy shunt provides superior resistance to breakage, due to the flexing of the moving arm on the point set. It also significantly increases current conductivity over typical steel, shunts.
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ACDelco – Evaporation Pres Sensor (Part No.E2070451781ACD)

Evaporation Pres Sensor

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$82.96
ACDelco is a global leader in automotive replacement parts and related services and offers quality aftermarket products for most makes and models, including General Motors, Ford, Chrysler, Toyota and Honda. ACDelco has over 100 years of experience in the automotive industry and is a brand of GM Customer Care and After sales, a division of General Motors.
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Carquest Premium – Fuel Level Sensor (Part No.KBC1001)

Fuel Level Sensor

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$37.99
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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ACDelco – GM Original Equipment Fuel Injector Seal Kit (Part No.C1060205441ACD)

GM Original Equipment Fuel Injector Seal Kit

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$28.49
The ACDelco GM Original Equipment Fuel Injector Seal Kit is a GM-recommended replacement component that provides the same performance, durability, and service life as your factory original equipment.

Product Features:
  • 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 – Ambient Air Temperature Sensor Connector (Part No.PTA1268)

Ambient Air Temperature Sensor Connector

from

$19.99
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.

Product Features:
  • Premium quality materials for longer service life
  • 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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Carquest Premium – New MAP SENSOR (Part No.ECE1033)

New MAP SENSOR

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$51.99
The Premium CarQuest Vehicle Solutions line is designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Relief Valve is used in the automotive air conditioning system to prevent unusual over-pressure that may cause damage to critical components within the system or to the system as a whole. By opening it’s valve when the system pressure exceeds the preset pressure levels and closing when the internal pressure decreases to the preset pressure levels, proper factory designated system pressures are maintained.

Product Features:
  • Made to OE spec to ensure a proper fit, form and function.
  • Sensors are engineered for precision performance, durability and a long service life.
  • All units are tested using advanced end-of-line testing equipment that pressurizes the A/C Pressure Relief Valve and checks functionality to ensure each A/C Pressure Relief Valve meets manufacturing specifications before packaging.
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GM Genuine Parts – Oxygen Sensor: 4 Wires, 331 mm Long, Heated, Exact Fit (Part No.213-3908)

Oxygen Sensor: 4 Wires, 331 mm Long, Heated, Exact Fit

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$109.99
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:
  • 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
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GM Genuine Parts – Fuel Pump O-Ring (Part No.G41)

Fuel Pump O-Ring

from

$12.99
GM Genuine Parts Multi Purpose Seals 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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Carquest Premium – Vapor Canister Vent Solenoid (Part No.CPC1007)

Vapor Canister Vent Solenoid

from

$33.99
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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Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61469)

Fuel Injection Throttle Body Mounting Gasket

from

$13.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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ACDelco – Vapor Canister Purge Valve (Part No.214-1680)

Vapor Canister Purge Valve

from

$59.99
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:
  • 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
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GM Genuine Parts – Secondary Air Injection Pump Cover Gasket (Part No.219-351)

Secondary Air Injection Pump Cover Gasket

from

$15.99
GM Genuine Parts Secondary Air Injection Pump Check Valve Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These gaskets help form a gas-tight seal between the check valve and secondary air 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 maintain controlled air flow to proper air injection components
  • 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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Spectra Premium – Fuel Tank Lock Ring (Part No.TR19)

Fuel Tank Lock Ring

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$21.79
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium lock rings meet or exceed the performance of the original equipment they replace.

Product Features:
  • Lock ring should be replaced when changing the fuel tank or fuel module
  • Application specific design ensure a perfect fit guarantee
  • OEM fit, form and function
  • OEM design ensures corrosion resistance and prevents leakage from the fuel tank
  • Manufactured with high quality material, ensuring the durability of this part to prevent costly leaks
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Spectra Premium – Fuel Filler Neck (Part No.FN933)

Fuel Filler Neck

from

$159.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tank filler necks meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
  • Unit is dual coated for enhanced corrosion protection
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
  • Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks
  • Tested with OE fuel cap to prevent evaporative emission and check engine light failure
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DENSO – First Time Fit Oxygen Sensor (Part No.C5010422718ND)

First Time Fit Oxygen Sensor

from

$80.93
Denso First Time Fit oxygen sensors are constructed of the highest quality materials available. High-quality stainless steel, porous polytetrafluoroethylene (PTFE), fluorine rubber, aluminum oxide, high-grade platinum and ceramics are used in each DENSO sensor.

Product Features:
  • SUPERIOR DESIGN – Maximizes engine performance and fuel efficiency while reducing harmful emissions.
  • DOUBLE-PROTECTION COVER – Maintains proper unit temperature for quicker response times and protects the ceramic element against silicone and lead poisoning.
  • ALUMINUM-OXIDE TRAP LAYER – Keeps silicone and lead outside the ceramic element through DENSO’s exclusive design, preventing damage to the platinum electrode.
  • STAINLESS STEEL HOUSING – Resists corrosion and contamination with a rugged, watertight body.
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ACDelco – Fuel Tank Pressure Sensor (Part No.16238399)

Fuel Tank Pressure Sensor

from

$69.99
ACDelco GM Original Equipment Fuel Tank Pressure Sensors are GM-recommended replacements for your vehicle’s original components. These sensors help measure pressure changes within your vehicle’s fuel tank. They also help alert your vehicle’s engine management computer if a leak occurs in your vehicle’s fuel system. These original equipment sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Help measure pressure changes within fuel tank
  • Help alert engine management computer if a leak occurs in fuel system
  • 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 – Body Wiring Harness Connector (Part No.PTC2256)

Body Wiring Harness Connector

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$72.99
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.
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Carquest Premium – Air Bag Module Connector (Part No.PTC2528)

Air Bag Module Connector

from

$138.99
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.

Product Features:
  • Premium quality materials for longer service life
  • 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
See More

2003 Chevrolet Trailblazer Fuel and Emissions Systems

You count on your 2003 Chevrolet Trailblazer to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Fuel and Emissions Systems. With 118 Fuel and Emissions Systems ranging in price from $2.99 to $380.99, you’re sure to find everything you need for your 2003 Chevrolet Trailblazer.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 20 different brands like Carquest Premium, Dorman, and NTK. 2003 Chevrolet Trailblazer Fuel and Emissions Systems start as low as $2.99!

One of the best ways to find top quality OEM or aftermarket Fuel and Emissions Systems is by asking professionals. Short of that, you can shop with confidence thanks to our 1,884 extensive product reviews on 2003 Chevrolet Trailblazer Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Locking Fuel Cap: 10506, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack with 4.4 stars and Oxygen Sensor: 4 Wire, 16.54" Long, Heated, Exact Fit with 4.9 stars.

Did we mention you can order your Fuel and Emissions Systems from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Fuel and Emissions Systems inventory for your 2003 Chevrolet Trailblazer below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 2003 Chevrolet Trailblazer

Trusted Fuel and Emissions Systems OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Chevrolet Trailblazer running right for years to come. In our inventory you’ll find brands like Carquest Premium, Dorman, NTK, and even more.

Popular Carquest Fuel and Emissions Systems

You’ll find popular Carquest brand products across Fuel Tanks and Emission Controls. All are waiting to get your 2003 Chevrolet Trailblazer back on the road. Some of the top-rated Carquest products in these categories are:
Steel Fuel Tank Lock Ring
from $24.99
(5)
Steel Fuel Tank Lock Ring
Fuel Tank Lock Rings
A/C Auto Temperature Control Relay
from $18.99
(1)
A/C Auto Temperature Control Relay
Emission Control Relays
Fuel Injection Pressure Regulator
from $114.99
(1)
Fuel Injection Pressure Regulator
Pressure Regulators

FAQs for 2003 Chevrolet Trailblazer Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 2003 Chevrolet Trailblazer?

Out of 118 Fuel and Emissions Systems for the 2003 Chevrolet Trailblazer, the most popular in our inventory are:
Mass Air Flow Sensor (MAF) - 100% NEW
from $89.99
(2)
Mass Air Flow Sensor (MAF) – 100% NEW
Air Flow Meters and Mass Air
Body Bolt - M6-1.0 X 25mm
from $4.49
This product is not rated
Body Bolt – M6-1.0 X 25mm
Secondary Air Injection Pump Bolts

What are the top-rated 2003 Chevrolet Trailblazer Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 2003 Chevrolet Trailblazer based on customer reviews/ratings are:
Locking Fuel Cap: 10506, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack
from $24.99
(36)
Locking Fuel Cap: 10506, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack
“It’s the best product. Great price!”
Oxygen Sensor: 4 Wire, 16.54" Long, Heated, Exact Fit
from $56.99
(10)
Oxygen Sensor: 4 Wire, 16.54" Long, Heated, Exact Fit
“it has been 3 days since it was installed, and no trouble codes have returned”
Fuel Tank Lock Ring
from $17.99
(9)
Fuel Tank Lock Ring
“Worked on a 03 GMC Yukon 5.3L FlexFuel Vin Z.”