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DENSO 234-4939 Oxygen Sensor Heated Direct Fit - 4-Wire

(2014-2018 Mazda 3; 2014-2015, 2017, 2019 Mazda 6; 2014, 2017 Mazda 3 Sport; 1981-1987 Pontiac Grand Prix; 2005-2006 Audi A4 Quattro + 5 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

234-4939
13 reviews
Sale Price

$87.83

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

The DENSO 234-4939 is a premium 4-wire heated oxygen sensor engineered to meet strict OE performance standards. This direct-fit sensor features a 26.77-inch wire length for precise replacement without modifications.

Key Features:

  • 4-wire heated design for faster sensor activation and improved cold-start performance
  • Proprietary aluminum oxide sensing layer protects the ceramic element from silicone and lead contamination
  • Precision-manufactured components ensure exact-fit installation on the first attempt
  • 26.77-inch wire harness length provides direct OE replacement fitment
  • Manufactured and tested to OEM specifications for reliable performance
  • Enhanced engine performance, improved fuel efficiency, and extended service life

DENSO oxygen sensors deliver the accuracy and durability needed for optimal engine management system operation. The advanced ceramic element design resists contamination while maintaining precise air-fuel ratio measurements for reduced emissions and better fuel economy.

Products specifications

Fits

2014-2018 Mazda 3; 2014-2015, 2017, 2019 Mazda 6; 2014, 2017 Mazda 3 Sport; 1981-1987 Pontiac Grand Prix; 2005-2006 Audi A4 Quattro; 2005 Audi A4; 2007-2009 Lincoln MKZ; 2006-2013 Volvo C70; 2000-2004 Volvo V40; 1979-1985 Oldsmobile Toronado

Sensor Type

Heated

Universal Or Specific Fit

Specific

Wire Quantity

4

Wiring Harness Length

26.77

Great Deals..

Best price and Amazon convinience.

So far so good.

Excellent prices, what I expected

great prices

very quick checkout process. I hope the shipping is as quick! Glad I found the part on here. After part arrived: if the wait time for the order to ship could be reduced, I would have done 5 stars. Good product tho

was quick and easy, only thing it said accepted my coupon code for signing up, but nothing was discounted :(

Fast

easy to buy if it fits

fast shipping awesome cant wait for my product not my 1st purchase always good service<br>

Good so far

none

best price

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