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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
120-DayReturns
LifetimeWarranty
100%Money-Back

Product Notes Read before buying

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
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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)
Swipe left/right to see more info
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, in plain English.

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.

Lifetime 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.

Returns (120 Days)

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.
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

Expert 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
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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

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