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DENSO 234-9121 Air-Fuel Ratio Sensor Direct Fit Heated - 4-Wire

(2007-2012 Nissan Altima; 2006-2007 Subaru Impreza; 2006-2007 Subaru Outback; 2004-2006 Subaru Baja; 1995-1998, 2005 Porsche 911 + 2 more models)

Part of: DENSO Air-Fuel Ratio Sensor Heated Direct Fit

Other options in this family: DENSO 234-5113 DENSO 234-9042 DENSO 234-9009 DENSO 234-9123 DENSO 234-5010

Manufacturer

Picture for manufacturer DENSO

Part Number

234-9121
7 reviews
Sale Price

$206.46

4 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The DENSO 234-9121 Air-Fuel Ratio Sensor delivers OE-quality performance for precise air-fuel mixture monitoring in your vehicle's engine management system. This 4-wire heated sensor provides accurate real-time feedback to your engine control unit, helping optimize fuel efficiency, reduce emissions, and maintain peak engine performance.

Key Features:

  • Direct-fit design ensures exact OE replacement and proper fitment
  • 4-wire heated configuration for faster sensor activation and reliable operation
  • 37.80-inch wire length provides flexible installation routing
  • Manufactured and tested to stringent OE standards for superior durability
  • Precision-engineered components guarantee accurate air-fuel ratio detection
  • Heated element ensures optimal performance in all operating conditions

DENSO's commitment to OE-quality manufacturing means this air-fuel ratio sensor meets or exceeds original equipment specifications. Each sensor undergoes rigorous testing to ensure reliable operation and long service life, making it the right choice for maintaining your vehicle's emissions compliance and fuel economy.

Products specifications

Fits

2007-2012 Nissan Altima; 2006-2007 Subaru Impreza; 2006-2007 Subaru Outback; 2004-2006 Subaru Baja; 1995-1998, 2005 Porsche 911; 2010-2012 Honda Insight; 1977 Aston Martin V-8 Base/Vantage

Sensor Type

Heated

Grade Type

Regular

Universal Or Specific Fit

Specific

Wire Quantity

4

Wiring Harness Length

37.80

Thanks

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Very satisfied! My intake shipped on Friday and I received it on Tuesday. Not only super fast shipping, but a great deal to boot!

Great prices for the springs I got. Def. the cheapest around! Everything was fast and straight forward.

I have searched the internet for the best pricing on auto accessories and ended up at Autoplicity. I tried everything to negotiate prices with some supplies and still got the best pricing usins Autoplicity without any hassles or delays. My invoice number 9314 shows that I got a great deal thanks to Autoplicity. I will be a returning customer for my future purchases.

Ordering was easy and qiuick

I got all of my parts in and where happy with them. The website is about the cheapest around. Something about them really gives me a good feeling. :)

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