2003 Chevrolet Blazer Fuel and Emissions Systems

Essential 2003 Chevrolet Blazer Fuel and Emissions Systems

GM Genuine Parts – Fuel Feed Pipe O-Ring (Part No.217-452)

Fuel Feed Pipe O-Ring

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$3.49
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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GM Genuine Parts – Mass Airflow Sensor Kit with Wiring Connector (Part No.213-4527)

Mass Airflow Sensor Kit with Wiring Connector

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$244.99
GM Genuine Parts Mass Air Flow Sensor Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These kits have the necessary parts you need to replace your vehicle’s mass air flow (MAF) sensor. 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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NTK – Air Charge Temperature Sensor (Part No.AJ0003)

Air Charge Temperature Sensor

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$27.99
Building upon a foundation of premium full-line products established under NGK ignition and NTK oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand: NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NTK is the only OE supplier with a full-line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • NTK’s Air Charge Temperature Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper monitoring of air temperature entering the engine.
  • The Air Charge Temperature Sensor is used by the Engine Control Unit (ECU) to measure air density for fuel mixture control, which allows it to make continuous adjustments to the engine’s air / fuel mixture for maximum fuel efficiency.
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Carquest Premium – Remanufactured Fuel Injector (Part No.A511-1043)

Remanufactured Fuel Injector

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$72.99
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 Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECC1028)

Manifold Absolute Pressure Sensor (MAP)

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$36.99
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 – GM Original Equipment Fuel Sender Seal (Part No.E2050295147ACD)

GM Original Equipment Fuel Sender Seal

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$22.89
The ACDelco GM Original Equipment Fuel Sender Seal 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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Delphi – MAP Sensor (Part No.C7044205090DEL)

MAP Sensor

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$78.56
Delphi Manifold Absolute Pressure/Manifold Air Temperature (MAP/MAT) Sensor Delphi Manifold Absolute Pressure/Manifold Air Temperature Sensors feature cutting-edge sensing technology and a patented Delphi Application Specific Integrated Circuit (ASIC) design. They are built in-house and provide highly robust and reliable operation. Delphi Manifold Absolute Pressure/Manifold Air Temperature Sensors are designed to perform in harsh environments such as extreme temperatures and vibration, thermal and mechanical shock, and chemical contamination.

Product Features:
  • Two-in-one design yields cost and space savings, with one less component, wire and connector
  • Electronic compensation for precise measurements in a variety of environments
  • Reliable and robust:
  • Low part count
  • Automotive grade
  • ISO/TS 16949 certified
  • Mounting flexibility
  • Designed for under-hood environments
  • Appropriate for a wide range of automotive and non-automotive applications
  • All-silicon, solid-state microelectronic technology
  • Temperature compensation
  • Electromagnetic interference (EMI) protection
  • Air temperature output
  • Electronically programmable trim to customer specifications
  • MAP sensor precision with reliable thermistor output
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GM Genuine Parts – Central Multi-Port Fuel Injector Mounting Bracket (Part No.88894355)

Central Multi-Port Fuel Injector Mounting Bracket

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$42.99
GM Genuine Parts Fuel Injector Retaining Brackets 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 – Fuel Cap Tester Adapter (Part No.12410)

Fuel Cap Tester Adapter

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$15.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:
  • BAR Certified adapters
  • Adapter check’s a fuel cap’s ability to hold pressure.
  • Adapters meet EPA standards for recommended fleet coverage.
  • Check adapter application chart for specific makes and models
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Delphi – Fuel Injection Pressure Regulator (Part No.FP10075)

Fuel Injection Pressure Regulator

from

$71.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

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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Dorman – 2-Wire Throttle Body Injector (Part No.85139)

2-Wire Throttle Body Injector

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$16.99
This fuel injection harness connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this fuel injection harness connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • 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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Carquest Premium – Vapor Canister Vent Solenoid (Part No.CPA1116)

Vapor Canister Vent Solenoid

from

$82.99
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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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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GM Genuine Parts – Fuel Tank Sending Unit O-Ring (Part No.G48)

Fuel Tank Sending Unit O-Ring

from

$16.99
GM Genuine Parts Fuel Tank Sending Unit O-Rings are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These O-rings help seal out contaminants, and help protect 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 protect 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
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Carquest Premium – Vapor Canister (Part No.CPN1152)

Vapor Canister

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$189.99
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 – 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 – Oil Pressure Switch Connector (Part No.PTA1224)

Oil Pressure Switch Connector

from

$20.99
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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GM Genuine Parts – Rear Fuel Feed Pipe (Part No.15004586)

Rear Fuel Feed Pipe

from

$178.99
GM Genuine Parts Fuel Feed Lines are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These are a hose that transfers fuel from one point in the fuel system to another, this line is fed by the fuel pump and delivers the fuel through a fuel filter to either a carburetor or fuel injector. 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:
  • Directs fuel flow to optimize performance
  • 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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NTK – NTK Oxygen Sensor (Part No.C501066592NTK)

NTK Oxygen Sensor

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$70.51
NTK is the world’s largest supplier and manufacturer of original equipment oxygen sensors. NTK oxygen sensors meet or exceed original equipment specifications and are equipped with waterproof factory fitted connectors to ensure a perfect fit every time. Every NTK oxygen sensor is individually tested to ensure the highest level of quality and reliability.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • Extensively Tested During Manufacture to Guarantee Quality and Reliability
  • Supplied With a Factory-Fitted OEM Connector for Easy Installation
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Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61036)

Fuel Injection Throttle Body Mounting Gasket

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$7.99
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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Bilstein – B4 OE Replacement – Strut Assembly (Part No.L3000400865BIL)

B4 OE Replacement - Strut Assembly

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$162.10
Finish: Black Paint Bilstein B4 OE Replacement gas pressure shock absorbers and struts are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. These dampers are the ideal choice for the driver looking to restore the original performance and handling of their vehicle, with the added benefit of world-famous Bilstein quality.

Product Features:
  • Constant damping characteristics under any load
  • Consistent performance and handling give the vehicle a new car feel every time
  • Proven BILSTEIN gas pressure technology
  • High OEM quality standards
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Spectra Premium – Fuel Filler Neck (Part No.FN742)

Fuel Filler Neck

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$92.99
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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ACDelco – GM Original Equipment Vapor Canister Purge Valve (Part No.B7080580723ACD)

GM Original Equipment Vapor Canister Purge Valve

from

$69.75
The ACDelco GM Original Equipment Vapor Canister Purge Valve 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 – Diverter Valve (Part No.ECC1171)

Diverter Valve

from

$77.99
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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Dorman – Chrysler, GM Push Rivet (Part No.961-359D)

Chrysler, GM Push Rivet

from

$4.49
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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ACDelco – Ambient Temp Sensor (Part No.P4025600368ACD)

Ambient Temp Sensor

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$12.37
Ambient Temp Sensor

Dorman – Help – Fuel Line Connector (Part No.55180)

Fuel Line Connector

from

$18.99
Replace only the damaged connectors instead of the entire fuel line with these direct-replacement fuel line connectors. Designed for easy installation and a precise fit, they are engineered to withstand extreme underhood conditions.

Product Features:
  • Direct replacement – these fuel line connectors fit and function like the vehicle’s original equipment connectors for reliable, leak-free performance
  • Quality construction – manufactured from premium materials for a long service life
  • Saves money – replace only the part, not the entire assembly
  • Excellent value – original equipment quality at a lower price
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2003 Chevrolet Blazer Fuel and Emissions Systems

You count on your 2003 Chevrolet Blazer 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 97 Fuel and Emissions Systems ranging in price from $2.49 to $318.99, you’re sure to find everything you need for your 2003 Chevrolet Blazer.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 16 different brands like Carquest Premium, Dorman, and ACDelco. 2003 Chevrolet Blazer Fuel and Emissions Systems start as low as $2.49!

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 688 extensive product reviews on 2003 Chevrolet Blazer Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Fuel Injector with 4.4 stars and Locking Fuel Cap: 10506, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack with 4.4 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 Blazer below to get started!

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

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 Blazer running right for years to come. In our inventory you’ll find brands like Carquest Premium, Dorman, ACDelco, and even more.

Popular ACDelco Fuel and Emissions Systems

You’ll find popular ACDelco brand products across Vapor Canister Purge Valves and Fuel Injectors. All are waiting to get your 2003 Chevrolet Blazer back on the road. Some of the top-rated ACDelco products in these categories are:
Vapor Canister Vent Solenoid
from $36.99
(29)
Vapor Canister Vent Solenoid
Vapor Canister Vent Solenoids
Sequential Multi-Port Fuel Injector Assembly
from $156.99
(1)
Sequential Multi-Port Fuel Injector Assembly
Fuel Injectors
Manifold Absolute Pressure (MAP) Sensor
from $89.99
(2)
Manifold Absolute Pressure (MAP) Sensor
Manifold Air Pressure Sensors

Top-Rated Fuel and Emissions Systems


If are what you’re looking for, our inventory holds plenty. We stock brand Fuel and Emissions Systems for your 2003 Chevrolet Blazer, and some of our most reviewed parts include:

FAQs for 2003 Chevrolet Blazer Fuel and Emissions Systems

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

Out of 97 Fuel and Emissions Systems for the 2003 Chevrolet Blazer, the most popular in our inventory are:
Fuel Tank Strap Hardware Kit
from $12.49
(34)
Fuel Tank Strap Hardware Kit
Fuel Tank Attaching Hardware
MAP Sensor
from $67.05
(27)
MAP Sensor
MAP-Barometric Pressures

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

Top-rated Fuel and Emissions Systems for your 2003 Chevrolet Blazer based on customer reviews/ratings are:
Fuel Injector
from $318.99
(37)
Fuel Injector
“No leaks great pressure”