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Air / Fuel Ratio Sensor
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Air / Fuel Ratio Sensor - Upstream Front or Upstream Left or Upstream Rear or Upstream Right (NGK) for 2003-2008 Acura, Honda, & Saturn NEW

$ 172 .26
120-DayReturns
LifetimeWarranty
100%Money-Back

Product Notes Read before buying

Position: Upstream Front or Upstream Left (Driver Side) or Upstream Rear or Upstream Right (Passenger Side)
B1S1 OE MFR: NTK
Direct Fit 5-Wire A/F 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. While conventional switching oxygen sensors only switch rich or lean, wideband oxygen (or Air-Fuel Ratio) sensors produce a linear output signal that allows the ECU determine exactly how rich or lean an engine is running and make continuous and precise adjustments of the air-fuel mixture to stay closest to stoichiometric, providing the best possible combustion and fewest emissions. A ceramics company at our core, NTK uses state-of-the art technology enabling complete control of the ceramics used in our wideband 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 Air / Fuel Ratio Sensors
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Specifications & Info


Attribute Value
Connector Color Grey
Connector Gender Female
Connector Shape Rectangular
Grade Type Standard Replacement
Heated Yes
Hex Size 7/8" (22mm)
Sensor Type Wide-band
Technology 5-wire A/f Sensor
Terminal Gender Male
Terminal Quantity 7
Terminal Type Blade
Thread Diameter 18.00
Wire Quantity 5
Wiring Harness Length 11.50, 290.00

Vehicle Fitment Guide

This part fits the following vehicles:

Acura 3 models (tapclick to expand)(tapclick to hide)
MDX 2003-2006 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base SUV 2003 - 2006 V6 3.5L AWD Automatic
Touring SUV 2003 - 2006 V6 3.5L AWD Automatic
RL 2005-2008 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2005 - 2008 V6 3.5L AWD Automatic
Elite Sedan 2008 V6 3.5L AWD Automatic
TL 2004-2008 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2004 - 2008 V6 3.2L FWD Automatic
Base Sedan 2004 - 2006 V6 3.2L FWD Manual
Type-S Sedan 2007 - 2008 V6 3.5L FWD Automatic & Manual
Honda 4 models (tapclick to expand)(tapclick to hide)
Accord 2003-2007 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Coupe Coupe 2003 V6 3.0L FWD Automatic
DX Sedan 2003 - 2005 L4 2.4L FWD Automatic & Manual
EX Coupe 2003 - 2007 L4 2.4L FWD Automatic & Manual
EX Coupe 2003 - 2007 V6 3.0L FWD Automatic & Manual
EX Sedan 2003 - 2007 L4 2.4L FWD Automatic & Manual
EX Sedan 2003 - 2007 V6 3.0L FWD Automatic & Manual
EX-L Coupe 2007 L4 2.4L FWD Automatic & Manual
EX-L Coupe 2007 V6 3.0L FWD Automatic & Manual
EX-L Sedan 2007 L4 2.4L FWD Automatic & Manual
EX-L Sedan 2007 V6 3.0L FWD Automatic & Manual
Hybrid Sedan 2005 - 2007 V6 3.0L FULL HYBRID EV-GAS (FHEV) FWD Automatic
LX Coupe 2003 - 2007 L4 2.4L FWD Automatic & Manual
LX Coupe 2003 - 2007 V6 3.0L FWD Automatic & Manual
LX Sedan 2003 - 2007 L4 2.4L FWD Automatic & Manual
LX Sedan 2003 - 2007 V6 3.0L FWD Automatic & Manual
LX SE Coupe 2007 L4 2.4L FWD Automatic
LX SE Sedan 2007 L4 2.4L FWD Automatic
LX Special Edition Sedan 2006 L4 2.4L FWD Automatic & Manual
SE Coupe 2005 L4 2.4L FWD Automatic & Manual
SE Coupe 2005 V6 3.0L FWD Automatic & Manual
Special Edition Sedan 2007 L4 2.4L FWD Automatic & Manual
Special Edition Sedan 2007 V6 3.0L FWD Automatic & Manual
Value Package Sedan 2006 - 2007 L4 2.4L FWD Automatic & Manual
Odyssey 2005-2006 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
EX Mini Passenger Van 2006 V6 3.5L FWD Automatic
EX Mini Passenger Van 2005 V6 3.5L FWD Automatic
EX-L Mini Passenger Van 2006 V6 3.5L FWD Automatic
EX-L Mini Passenger Van 2005 V6 3.5L FWD Automatic
LX Mini Passenger Van 2006 V6 3.5L FWD Automatic
LX Mini Passenger Van 2005 - 2006 V6 3.5L FWD Automatic
Touring Mini Passenger Van 2006 V6 3.5L FWD Automatic
Touring Mini Passenger Van 2005 V6 3.5L FWD Automatic
Pilot 2005-2008 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
EX SUV 2006 - 2008 V6 3.5L FWD Automatic
EX SUV 2005 - 2008 V6 3.5L AWD Automatic
EX-L SUV 2006 - 2008 V6 3.5L FWD Automatic
EX-L SUV 2005 - 2008 V6 3.5L AWD Automatic
LX SUV 2006 - 2008 V6 3.5L FWD Automatic
LX SUV 2005 - 2008 V6 3.5L AWD Automatic
SE-L SUV 2008 V6 3.5L AWD Automatic
Special Edition SUV 2008 V6 3.5L AWD/FWD Automatic
Value Package SUV 2008 V6 3.5L AWD/FWD Automatic
Ridgeline 2006-2008 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
EX-L Crew Cab Pickup 2008 V6 3.5L AWD Automatic
LX Crew Cab Pickup 2008 V6 3.5L AWD Automatic
RT Crew Cab Pickup 2006 - 2008 V6 3.5L AWD Automatic
RTL Crew Cab Pickup 2006 - 2008 V6 3.5L AWD Automatic
RTS Crew Cab Pickup 2006 - 2008 V6 3.5L AWD Automatic
RTX Crew Cab Pickup 2007 - 2008 V6 3.5L AWD Automatic
Saturn 1 model (tapclick to expand)(tapclick to hide)
Vue 2004-2007 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base SUV 2004 - 2007 L4 2.2L AWD/FWD Automatic & Manual
Base SUV 2004 - 2005 L4 2.2L AWD/FWD Automatic CVT
Base SUV 2004 - 2007 V6 3.5L AWD/FWD Automatic & Manual
Base SUV 2004 - 2005 V6 3.5L AWD/FWD Automatic CVT
Green Line SUV 2007 L4 2.4L FULL HYBRID EV-GAS (FHEV) FWD Automatic
Red Line SUV 2004 - 2007 V6 3.5L AWD/FWD 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. While conventional switching oxygen sensors only switch rich or lean, wideband oxygen (or Air-Fuel Ratio) sensors produce a linear output signal that allows the ECU determine exactly how rich or lean an engine is running and make continuous and precise adjustments of the air-fuel mixture to stay closest to stoichiometric, providing the best possible combustion and fewest emissions. A ceramics company at our core, NTK uses state-of-the art technology enabling complete control of the ceramics used in our wideband oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Fits Years: 2003 2004 2005 2006 2007 2008

Fits Models: Accord, MDX, Odyssey, Pilot, Ridgeline, RL, TL, Vue

Expert Guides

Honda Accord Air Fuel Ratio Sensor: A Guide for 1998-2011 Models

If your Accord has a check engine light, poor gas mileage, or a rough idle, your Air/Fuel Ratio sensor could be the cause.

 Read Full Guide →

Related Trouble Codes (OBD-II)

14 matching guides

If your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.

↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
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120
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NEW
Direct-Fit Replacement

Engineered To OEM Specs

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