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DENSO 234-4391 Oxygen Sensor Wire Heated Direct Fit - 4

(Ford Mustang 2015-18; Mazda 3 2007-13; Audi A4 Quattro 2008-16; BMW 650i 2014-15, 2017-18, 640i 2012-18, 650i xDrive 2014-15, 2017-18 + 7 more models)

Part of: DENSO Oxygen Sensor Heated Direct Fit

Other options in this family: DENSO 234-4794 DENSO 234-4380 DENSO 2344574 DENSO 234-8054 DENSO 234-4238

Manufacturer

Picture for manufacturer DENSO

Part Number

234-4391
5 reviews
Sale Price

$101.48

In Stock (6)

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Usually delivered within 2 days

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Product Details

The DENSO 234-4391 is a premium 4-wire heated oxygen sensor engineered to meet strict OE standards for reliable engine performance and fuel efficiency. This direct-fit sensor features a 14.17-inch wire length for precise installation without modifications.

Key Features:

  • 4-wire heated design for faster sensor activation and accurate readings
  • Proprietary aluminum oxide sensing layer protects ceramic element from silicone and lead contamination
  • Precision-manufactured to OE specifications for exact-fit replacement
  • Direct-fit design ensures proper installation on the first attempt
  • Enhanced durability for extended service life
  • Helps optimize air-fuel ratio for improved fuel economy and reduced emissions

DENSO oxygen sensors are manufactured and tested to the highest quality standards, ensuring superior performance and reliability. The advanced protective coating technology prevents premature sensor failure caused by contaminants, delivering consistent performance throughout the sensor's lifespan.

Products specifications

Fits

Ford Mustang 2015-18; Mazda 3 2007-13; Audi A4 Quattro 2008-16; BMW 650i 2014-15, 2017-18, 640i 2012-18, 650i xDrive 2014-15, 2017-18, 640i xDrive 2014-15, 2017-18; Ferrari 308 GTS 1977-80, 1983-85, 308 GTSi 1981-82 + 4 more models

Sensor Type

Heated

Connector Gender

FEMALE

Universal Or Specific Fit

Specific

Wire Quantity

4

Mounting Type

Threaded

Wiring Harness Length

14.17

Thread Diameter

0.708

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