2003 Chevrolet Trailblazer Ext Air Flow Sensors

Essential 2003 Chevrolet Trailblazer Ext Air Flow Sensors

NTK – Manifold Absolute Pressure Sensor (Part No.MA0097)

Manifold Absolute Pressure Sensor

from

$75.99
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 Manifold Absolute Pressure Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper manifold pressure, fuel metering and ignition timing.
  • The Manifold Absolute Pressure Sensor (MAP) provides manifold pressure information to the Engine Control Unit (ECU). The data is used to determine the air mass flow rate and required fuel for optimum combustion and ignition timing.
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Driveworks – MAP Sensor (Part No.31424)

MAP Sensor

from

$67.05
Driveworks® offers a line of aftermarket parts and accessories that are commercially acceptable and competitively priced, which provides professional technicians and DIYers with an affordable alternative for repairs.

Product Features:
  • Direct-fit OE replacement ensures ease of installation
  • Designed to meet OE performance
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
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NTK – Manifold Absolute Pressure Sensor (Part No.MA0090)

Manifold Absolute Pressure Sensor

from

$89.99
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 Manifold Absolute Pressure Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper manifold pressure, fuel metering and ignition timing.
  • The Manifold Absolute Pressure Sensor (MAP) provides manifold pressure information to the Engine Control Unit (ECU). The data is used to determine the air mass flow rate and required fuel for optimum combustion and ignition timing.
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Carquest – Air Charge Temperature Sensor (Part No.31A1016)

Air Charge Temperature Sensor

from

$18.99
WVE is a leading source of advanced vehicle electronics components for replacement applications in the automotive aftermarket and original equipment applications. WVE offers high-technology manufacturing along with innovative solutions and improvements to
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Delphi – Air Charge Temperature Sensor (Part No.TS10072)

Air Charge Temperature Sensor

from

$19.79
Delphi temperature sensors are built with the latest OE technology; Delphi temperature sensors use durable, one-piece design; Delphi temperature sensors are impervious to electrical noise and interference.

Product Features:
  • Delphi temperature sensors are built with the latest OE technology
  • Delphi temperature sensors are impervious to electrical noise and interference
  • Part is validated, tested and matched to the right vehicle application
  • Delphi temperature sensors feature a one-piece lead-frame design from sensing element tip to connector terminals to help eliminate internal connectors and failure points
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Delphi – Air Temperature Sensor (Part No.C6000175619DEL)

Air Temperature Sensor

from

$22.52
Delphi’s Air Temperature Sensors are continuous function devices that change resistance inversely to temperature. They measure engine intake air temperature in the manifold, intake air duct, and air cleaner. A signal is then sent to the powertrain control module.

Product Features:
  • High-temperature thermoplastic shell for durability
  • Patented, lightweight, and cost-effective pre-mold subassembly
  • Design flexibility to match calibration criteria, meet mounting and packaging requirements, and integrate with systems
  • Customized packaging of mounting features, sealing options, connection system, and resistance output
  • Crimpless conductive path to the negative temperature coefficient thermistor and calibration certification for enhanced reliability and accuracy; also eliminates an electrical interface
  • 100 percent resistance calibration verification helps ensure quality and reliability
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NTK – Air Charge Temperature Sensor (Part No.AJ0003)

Air Charge Temperature Sensor

from

$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 – Manifold Absolute Pressure Sensor (MAP) (Part No.ECC1012)

Manifold Absolute Pressure Sensor (MAP)

from

$83.99
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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Delphi – Manifold Absolute Pressure Sensor (Part No.PS10002)

Manifold Absolute Pressure Sensor

from

$79.99
Delphi MAP sensors use the latest OE technology; Internally protected against moisture intrusion and vibration; Manufactured to meet or exceed OE requirements for 100,000 miles.

Product Features:
  • Insulated with silicone gel over the integrated circuit chip to protect against shock and vibration for increased durability
  • Internally protected against moisture intrusion and vibration
  • Long lasting and durable
  • Designed and engineered with Delphi expertise
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Autopart International Inc – MAP Sensor (Part No.C70441969794API)

MAP Sensor

from

$47.29
MAP Sensor

Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECC1011)

Manifold Absolute Pressure Sensor (MAP)

from

$65.99
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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Vemo – Vemo MAP Sensor (Part No.C7044374585VMO)

Vemo MAP Sensor

from

$100.69
Vemo Manifold Absolute Pressure/Manifold Air Temperature Sensors are designed to perform in harsh environments such as extreme temperatures and vibration, thermal and mechanical shock. Acts as an input to the ECU to correct fuel delivery in response to changing atmospheric pressure.

Product Features:
  • Designed for under-hood environments
  • All-silicon, solid-state microelectronic technology
  • Temperature compensation
  • Electromagnetic interference (EMI) protection
  • Air temperature output
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ACDelco – Black Multi-Purpose Pigtail (Part No.PT1274)

Black Multi-Purpose Pigtail

from

$51.99
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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Dorman – Cam, Crank, Mass Air Flow Sensor Connector (Part No.645-785)

Cam, Crank, Mass Air Flow Sensor Connector

from

$37.99
Our multi-purpose pigtail connectors are engineered with extra long leads and include all necessary butt connectors for a complete repair.

Product Features:
  • Direct replacement for a proper fit every time
  • No special tools required for installation
  • Easy to install
  • Manufactured to strict engineering quality standards
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Carquest – Exhaust Gas Recirculation (EGR) Valve Motor Connector (Part No.PT5511)

Exhaust Gas Recirculation (EGR) Valve Motor Connector

from

$38.99
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our distributor caps are made of high dielectric strength, glass/mineral reinforced polyester resin for less carbon tracking, greater resistance to electrical breakdown, and superior performance
  • Solid brass terminals (where available) make better connections and greater resistance to electrical pitting and corrosion
  • RFI resistors where specified to eliminate radio static and potential ECU-damaging spikes
  • With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
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ACDelco – Ambient Temp Sensor (Part No.P4025360720ACD)

Ambient Temp Sensor

from

$30.00
Ambient Temp Sensor

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1034)

Ambient Air Temperature Sensor

from

$11.99
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 – Ambient Air Temperature Sensor (Part No.WTA1537)

Ambient Air Temperature Sensor

from

$10.99
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 – Ambient Air Temperature Sensor (Part No.WTC1157)

Ambient Air Temperature Sensor

from

$30.99
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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NTK – Ambient Air Temperature Sensor (Part No.AN0115)

Ambient Air Temperature Sensor

from

$12.99
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 Ambient Air Temperature Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper reading of outside air temperature.
  • The Ambient Air Temperature Sensor measures outside air temperature and is used by the heating and cooling control system, along with other vehicle cabin sensors, to control temperature and blower speed.
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DENSO – First Time Fit Oxygen Sensor (Part No.C5010331601ND)

First Time Fit Oxygen Sensor

from

$75.54
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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DENSO – First Time Fit Oxygen Sensor (Part No.C5010137267ND)

First Time Fit Oxygen Sensor

from

$79.27
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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Walker – Walker Oxygen Sensor (Part No.C5010380972WKR)

Walker Oxygen Sensor

from

$75.89
Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet and exceed all original equipment specification and test requirements.

Product Features:
  • Improved Engine Response and Performance
  • Lower Emissions
  • Improved Fuel Economy
  • Longer Sensor Life
  • Meets OEM Specifications Installation Notes: Vehicles equipped with Air Fuel Ratio Sensors may look very similar to the Oxygen Sensor. Please confirm the correct part before ordering and if the connector does not match, do not install
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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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Bosch – Oxygen Sensor (Part No.C50101196579BOS)

Oxygen Sensor

from

$60.05
Oxygen Sensor

Bosch – Bosch Oxygen Sensor (Part No.C5010379534BOS)

Bosch Oxygen Sensor

from

$67.54
The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • OE Style connectors and wire lengths.
  • Base ceramic probe of Zirconium and Yttrium.
  • Patented Platinum Power Grid.
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DENSO – First Time Fit Oxygen Sensor (Part No.C5010112438ND)

First Time Fit Oxygen Sensor

from

$64.30
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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DENSO – First Time Fit Oxygen Sensor (Part No.C5010422568ND)

First Time Fit Oxygen Sensor

from

$61.86
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.
See More

2003 Chevrolet Trailblazer Ext Air Flow Sensors

Maybe you’re in the middle of a full rebuild of that 2003 Chevrolet Trailblazer Ext. Maybe you just need a couple of Air Flow Sensors. Either way, Advance Auto Parts has 32 different Air Flow Sensors in our inventory ranging from $10.99 to $109.99. That means you can find the exact parts or products you need to keep that 2003 Chevrolet Trailblazer Ext running smoothly.

Air Flow Sensors are only as good as their brand. We stock 12 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Chevrolet Trailblazer Ext. DriveWorks, Carquest Premium, and NTK are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Air Flow Sensors for your 2003 Chevrolet Trailblazer Ext, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,098 reviews in this category, some of the top rated parts include MAP Sensor with 4.0 stars and Manifold Absolute Pressure Sensor with 4.0 stars.

So if you’re in the market for aftermarket Air Flow Sensors to keep your 2003 Chevrolet Trailblazer Ext rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Air Flow Sensors Brands To Make Your 2003 Chevrolet Trailblazer Ext Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Chevrolet Trailblazer Ext demands trusted brand parts and products to keep it running. Many trusted brands of Air Flow Sensors make up Advance Auto Parts’ inventory, and all are ready to help make your Trailblazer Ext the best it can be. Be sure to browse some of our top Air Flow Sensors brands and parts.

Popular ACDelco Air Flow Sensors

We carry ACDelco parts in our stock across MAP-Barometric Pressures categories, plus more. For a 2003 Chevrolet Trailblazer Ext, our most popular ACDelco Air Flow Sensors include:
Manifold Absolute Pressure (MAP) Sensor
from $89.99
(2)
Manifold Absolute Pressure (MAP) Sensor
MAP-Barometric Pressures

Top 2003 Chevrolet Trailblazer Ext Air Flow Sensors from DENSO

DENSO products are another trusted brand when it comes to Air Flow Sensors for your 2003 Chevrolet Trailblazer Ext. Popular DENSO parts include:
First Time Fit Oxygen Sensor
from $64.02
(332)
First Time Fit Oxygen Sensor
Air- Fuel Ratio Sensors

FAQs for 2003 Chevrolet Trailblazer Ext Air Flow Sensors

What are the most purchased Air Flow Sensors for the 2003 Chevrolet Trailblazer Ext?

Out of 32 Air Flow Sensors for the 2003 Chevrolet Trailblazer Ext, the most popular in our inventory are:
MAP Sensor
from $67.05
(27)
MAP Sensor
Manifold Air Pressure Sensors
Manifold Absolute Pressure Sensor (MAP)
from $65.99
This product is not rated
Manifold Absolute Pressure Sensor (MAP)
MAP-Barometric Pressures
Manifold Absolute Pressure Sensor (MAP)
from $83.99
This product is not rated
Manifold Absolute Pressure Sensor (MAP)
MAP-Barometric Pressures

What are the top-rated 2003 Chevrolet Trailblazer Ext Air Flow Sensors?

Top-rated Air Flow Sensors for your 2003 Chevrolet Trailblazer Ext based on customer reviews/ratings are:
MAP Sensor
from $89.05
(2)
MAP Sensor
“Working perfectly”
Manifold Absolute Pressure Sensor
from $79.99
(2)
Manifold Absolute Pressure Sensor
“Needed this sensor for repacement. Stock repacement sensor. Called around and found it. The price was half of any of the other parts stores.”
Air Charge Temperature Sensor
from $19.79
(1)
Air Charge Temperature Sensor
“Good fit works well”