2003 Chevrolet Blazer Oxygen Sensors

Your 2003 Chevrolet Blazer might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Oxygen Sensors you desperately need.

We currently carry 6 Oxygen Sensors to choose from for your 2003 Chevrolet Blazer, and our inventory prices range from as little as $57.98 up to $91.99.

On top of low prices, Advance Auto Parts offers 4 different trusted brands of Oxygen Sensors for the 2003 Chevrolet Blazer. We only sell parts from trusted brands like Bosch so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 348 reviews on our Oxygen Sensors for the 2003 Chevrolet Blazer from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Oxygen Sensors stock in-person!

Oxygen Sensors for Your 2003 Chevrolet Blazer

Bosch – Oxygen Sensor: 4 Wire, 15.87" Long, Heated, Exact Fit (Part No.15896)

Oxygen Sensor: 4 Wire, 15.87" Long, Heated, Exact Fit

from

$64.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation advancements. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.  Bosch oxygen sensors deliver exceptional OE level reliability, performance and durability, further improving service life of the product. 

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
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DENSO – Oxygen Sensor: 4 Wire, 12.28" Long, Heated, Exact Fit (Part No.234-4343)

Oxygen Sensor: 4 Wire, 12.28" Long, Heated, Exact Fit

from

$69.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
  • Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
  • Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
  • Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination
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NTK – NTK Oxygen Sensor (Part No.C5010400247NTK)

NTK Oxygen Sensor

from

$74.80
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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Bosch – Oxygen Sensor: 4 Wire, 24.02" Long, Heated (Part No.15740)

Oxygen Sensor: 4 Wire, 24.02" Long, Heated

from

$69.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation advancements. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.  Bosch oxygen sensors deliver exceptional OE level reliability, performance and durability, further improving service life of the product.

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Includes Smart Link Connector, no soldering required
  • No special tools required for installation
  • Seared protection tube due to 100% functional quality test
  • Performance meets or exceeds OE specifications
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GM Genuine Parts – Oxygen Sensor: 4 Wires, 258 mm Long, Heated, Exact Fit (Part No.213-1529)

Oxygen Sensor: 4 Wires, 258 mm Long, Heated, Exact Fit

from

$91.99
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:
  • 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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Bosch – Oxygen Sensor (Part No.C50101196579BOS)

Oxygen Sensor

from

$57.98
Oxygen Sensor

FAQs for 2003 Chevrolet Blazer Oxygen Sensors

What are the most popular Oxygen Sensors for the 2003 Chevrolet Blazer?

With 4 brands you can trust, our most popular Oxygen Sensors for the 2003 Chevrolet Blazer parts are:
Oxygen Sensor: 4 Wire, 24.02" Long, Heated
from $69.99
(2)
Oxygen Sensor: 4 Wire, 24.02" Long, Heated
Oxygen Sensors

What are the best aftermarket Oxygen Sensors for the 2003 Chevrolet Blazer?

See what past customers had to say about our highest-rated Oxygen Sensors for the 2003 Chevrolet Blazer:
NTK Oxygen Sensor
from $74.80
(3)
NTK Oxygen Sensor
“to much info is dangerous”