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Oxygen Sensor
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Oxygen Sensor - Downstream (NGK) for 2006-2009 Buick, Chevrolet, GMC, Isuzu, Pontiac, & Saab NEW

$ 79 .38

Product Notes

Position: Downstream
B1S2 OE MFR: NTK
Direct Fit Oxygen Sensor
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.
Brand: NGK
Condition: New
See All Other Oxygen Sensors
LIFE
TIME
Lifetime Warranty Included
This part is backed by our industry-leading lifetime warranty. Shop with total confidence.
100%money-back 120-dayreturns OE-gradequality
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Specifications & Info


Attribute Value
Connector Gender Male
Connector Shape Square
Grade Type Standard Replacement
Heated Yes
Hex Size 7/8" (22mm)
Mounting Type Threaded
Sensor Type Narrow-band
Technology Switching Zirconia Type
Terminal Gender Female
Terminal Quantity 4
Terminal Type Blade
Thread Diameter 18.00
Wire Quantity 4
Wiring Harness Length 12.25, 308.00
Wrench Size 7/8" (22mm)

Vehicle Fitment Guide

This part fits the following vehicles:

Buick 3 models (tapclick to expand)(tapclick to hide)
Allure 2008-2009 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
CX Sedan 2008 - 2009 V6 3.8L FWD Automatic
CXL Sedan 2008 - 2009 V6 3.8L FWD Automatic
CXS Sedan 2008 V6 3.6L FWD Automatic
Super Sedan 2008 - 2009 V8 5.3L FWD Automatic
LaCrosse 2008-2009 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
CX Sedan 2008 - 2009 V6 3.8L FWD Automatic
CXL Sedan 2008 - 2009 V6 3.8L FWD Automatic
CXS Sedan 2008 V6 3.6L FWD Automatic
Super Sedan 2008 - 2009 V8 5.3L FWD Automatic
Rainier 2006 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
CXL SUV 2006 L6 4.2L AWD/RWD Automatic
CXL SUV 2006 V8 5.3L AWD/RWD Automatic
Chevrolet 4 models (tapclick to expand)(tapclick to hide)
Colorado 2006 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Crew Cab Pickup 2006 L4 2.8L RWD/4WD Automatic & Manual
Base Crew Cab Pickup 2006 L5 3.5L RWD/4WD Automatic & Manual
LS Extended Cab Pickup 2006 L4 2.8L RWD/4WD Automatic & Manual
LS Standard Cab Pickup 2006 L4 2.8L RWD/4WD Automatic & Manual
LT Crew Cab Pickup 2006 L4 2.8L RWD/4WD Automatic & Manual
LT Crew Cab Pickup 2006 L5 3.5L RWD/4WD Automatic & Manual
LT Extended Cab Pickup 2006 L4 2.8L RWD/4WD Automatic & Manual
LT Extended Cab Pickup 2006 L5 3.5L RWD/4WD Automatic & Manual
LT Standard Cab Pickup 2006 L4 2.8L RWD/4WD Automatic & Manual
LT Standard Cab Pickup 2006 L5 3.5L RWD/4WD Automatic & Manual
WT Extended Cab Pickup 2006 L4 2.8L RWD/4WD Automatic & Manual
WT Extended Cab Pickup 2006 L5 3.5L RWD/4WD Automatic & Manual
WT Standard Cab Pickup 2006 L4 2.8L RWD/4WD Automatic & Manual
WT Standard Cab Pickup 2006 L5 3.5L RWD/4WD Automatic & Manual
Impala 2008-2009 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
50th Anniversary Edition Sedan 2008 V6 3.5L FWD Automatic
50th Anniversary Edition Sedan 2008 V6 3.5L FLEX FWD Automatic
LS Sedan 2008 - 2009 V6 3.5L FWD Automatic
LS Sedan 2008 - 2009 V6 3.5L FLEX FWD Automatic
LT Sedan 2008 - 2009 V6 3.5L FWD Automatic
LT Sedan 2008 - 2009 V6 3.5L FLEX FWD Automatic
LT Sedan 2008 - 2009 V6 3.9L FLEX FWD Automatic
LTZ Sedan 2008 - 2009 V6 3.9L FLEX FWD Automatic
Police Sedan 2008 - 2009 V6 3.9L FLEX FWD Automatic
SS Sedan 2008 - 2009 V8 5.3L FWD Automatic
Trailblazer 2006 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
A SUV 2006 L6 4.2L RWD Automatic
B SUV 2006 L6 4.2L RWD/4WD Automatic
Base SUV 2006 L6 4.2L RWD Automatic
LS SUV 2006 L6 4.2L RWD/4WD Automatic
LS SUV 2006 V8 5.3L RWD/4WD Automatic
LT SUV 2006 L6 4.2L RWD/4WD Automatic
LT SUV 2006 V8 5.3L RWD/4WD Automatic
SS SUV 2006 V8 6.0L AWD/RWD Automatic
Trailblazer EXT 2006 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
B SUV 2006 L6 4.2L RWD Automatic
Base SUV 2006 L6 4.2L RWD/4WD Automatic
LS SUV 2006 L6 4.2L RWD/4WD Automatic
LS SUV 2006 V8 5.3L RWD/4WD Automatic
LT SUV 2006 L6 4.2L RWD/4WD Automatic
LT SUV 2006 V8 5.3L RWD/4WD Automatic
GMC 3 models (tapclick to expand)(tapclick to hide)
Canyon 2006 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
SL Extended Cab Pickup 2006 L4 2.8L RWD/4WD Automatic & Manual
SL Standard Cab Pickup 2006 L4 2.8L RWD/4WD Automatic & Manual
SLE Crew Cab Pickup 2006 L4 2.8L RWD/4WD Automatic & Manual
SLE Crew Cab Pickup 2006 L5 3.5L RWD/4WD Automatic & Manual
SLE Extended Cab Pickup 2006 L4 2.8L RWD/4WD Automatic & Manual
SLE Extended Cab Pickup 2006 L5 3.5L RWD/4WD Automatic & Manual
SLE Standard Cab Pickup 2006 L4 2.8L RWD/4WD Automatic & Manual
SLE Standard Cab Pickup 2006 L5 3.5L RWD/4WD Automatic & Manual
SLT Crew Cab Pickup 2006 L5 3.5L RWD/4WD Automatic & Manual
SLT Extended Cab Pickup 2006 L5 3.5L RWD/4WD Automatic & Manual
WT Extended Cab Pickup 2006 L4 2.8L RWD/4WD Automatic & Manual
WT Extended Cab Pickup 2006 L5 3.5L RWD/4WD Automatic & Manual
WT Standard Cab Pickup 2006 L4 2.8L RWD/4WD Automatic & Manual
WT Standard Cab Pickup 2006 L5 3.5L RWD/4WD Automatic & Manual
Envoy 2006 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Denali SUV 2006 V8 5.3L RWD/4WD Automatic
SLE SUV 2006 L6 4.2L RWD/4WD Automatic
SLT SUV 2006 L6 4.2L RWD/4WD Automatic
Envoy XL 2006 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Denali SUV 2006 V8 5.3L RWD/4WD Automatic
SLE SUV 2006 L6 4.2L RWD/4WD Automatic
SLT SUV 2006 L6 4.2L RWD/4WD Automatic
Isuzu 3 models (tapclick to expand)(tapclick to hide)
Ascender 2006 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base SUV 2006 L6 4.2L RWD/4WD Automatic
LS SUV 2006 L6 4.2L RWD/4WD Automatic
LS SUV 2006 V8 5.3L RWD/4WD Automatic
i-280 2006 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Extended Cab Pickup 2006 L4 2.8L RWD Automatic & Manual
i-350 2006 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Crew Cab Pickup 2006 L5 3.5L 4WD Automatic
Pontiac 1 model (tapclick to expand)(tapclick to hide)
Grand Prix 2008 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2008 V6 3.8L FWD Automatic
GXP Sedan 2008 V8 5.3L FWD Automatic
Saab 1 model (tapclick to expand)(tapclick to hide)
9-7x 2006 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4.2i SUV 2006 L6 4.2L AWD Automatic
5.3i SUV 2006 V8 5.3L AWD Automatic
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.
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.

Interchange Parts

Brand Part Number
Spectra Premium OS5520

Fits Years: 2006 2008 2009

Fits Models: 9-7x, Allure, Ascender, Canyon, Colorado, Envoy, Envoy XL, Grand Prix, i-280, i-350, Impala, LaCrosse, Rainier, Trailblazer, Trailblazer EXT

Go-Parts Garage · Featured Guide

A Guide to Oxygen Sensors for the 2006-2013 Chevrolet Impala

Keep your Impala's engine running efficiently by understanding and replacing a bad oxygen sensor.

Read Full Guide →
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120
Day Return Window

4× the Industry Standard

Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.

NEW
Direct-Fit Replacement

Engineered To OEM Specs

Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.

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