from

$79.99

NTK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:

OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability

from

$98.99

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

from

$99.99

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

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

from

$61.99

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

from

$60.99

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

from

$67.99

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

from

$147.99

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

from

$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

from

$78.99

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

from

$112.99

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

from

$79.99

NTK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:

OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability

from

$83.15

The ACDelco GM Original Equipment Oxygen (O2) Sensor is a GM-recommended replacement for your vehicle’s original component. The Oxygen (O2) Sensor is a special feedback sensor on your vehicle’s exhaust system. This sensor measures the proportion of oxygen in the exhaust gases. Using this measurement, the engine management computer can adjust the air/fuel ratio near the optimum value of 14.7:1. At this ratio, engine performance, emissions, and fuel economy are all optimized. This original equipment oxygen sensor has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors. When you are looking for a match to GM Original Equipment specifications in a replacement part for your GM vehicle, trust ACDelco to get the job done.

Product Features:

Detect oxygen content in the exhaust gases to optimize emissions and fuel economy
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

2011 Chevrolet Silverado 2500 HD Oxygen Sensors

Oxygen Sensors for Your 2011 Chevrolet Silverado 2500 HD

NTK – Switching Oxygen Sensor: 4 Wire, 15" Long, Heated, Direct Fit (Part No.21066)

DENSO – Oxygen Sensor: 4 Wire, 14.76" Long, Heated, Exact Fit (Part No.234-4669)

DENSO – Oxygen Sensor: Downstream, 4 Wire, 14.80" Long, Heated, Exact Fit (Part No.234-4256)

DENSO – Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit (Part No.234-4212)

Bosch – Oxygen Sensor: 4 Wire, 25.87" Long, Heated, Universal (Part No.15741)

GM Genuine Parts – Oxygen Sensor: 4 Wires, 330 mm Long, Heated, Exact Fit (Part No.213-4229)

Bosch – Oxygen Sensor: 4 Wire, 16.93" Long, Heated, Exact Fit (Part No.15698)

GM Genuine Parts – Oxygen Sensor: 4 Wires, 309.5 mm Long, Heated, Exact Fit (Part No.213-1161)

GM Genuine Parts – Oxygen Sensor: 4 Wires, 323 mm Long, Heated, Exact Fit (Part No.213-4693)

DENSO – Oxygen Sensor: Upstream, 4 Wire, 14.76" Long, Heated, Exact Fit (Part No.234-4563)

Bosch – Oxygen Sensor: 4 Wire, 19.88" Long, Heated, Exact Fit (Part No.15283)

NTK – Switching Oxygen Sensor: 4 Wire, 21.75" Long, Heated, Direct Fit (Part No.21555)

ACDelco – GM Original Equipment Oxygen Sensor: Optimal Engine Performance and Fuel Economy (Part No.C5010352631ACD)

FAQs for 2011 Chevrolet Silverado 2500 HD Oxygen Sensors

What are the most popular Oxygen Sensors for the 2011 Chevrolet Silverado 2500 HD?