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DENSO 234-4439 Oxygen Sensor Direct Fit Heated Lead - 4-Wire 18

(1971-1973 Ford Mustang; 1993-2002 Pontiac Firebird; 2006-2008 Hyundai Sonata; 2006-2009 Kia Optima; 2007-2008 Kia Rondo; 2007-2009 Kia Magentis + 4 more models)

Part of: DENSO Oxygen Sensor Direct Fit Heated Lead

Other options in this family: DENSO 234-4551 DENSO 2344599 DENSO 234-4169 DENSO 2344571 DENSO 234-4777

Manufacturer

Picture for manufacturer DENSO

Part Number

234-4439
13 reviews
Sale Price

$103.46

In Stock (7)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

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Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The DENSO 234-4439 oxygen sensor is engineered to OE specifications for reliable engine performance monitoring and emissions control. This 4-wire heated oxygen sensor features a direct-fit design for precise installation without modifications, with an 18.11-inch wire lead for flexible routing.

Key Features:

  • 4-wire heated design for faster sensor operation and accurate readings
  • Direct-fit application ensures proper fitment on the first try
  • Proprietary aluminum oxide coating protects the ceramic element from silicone and lead contamination
  • Manufactured and tested to strict OE standards for consistent performance
  • 18.11-inch wire length provides installation flexibility
  • Precision-engineered components deliver improved fuel efficiency and engine performance

DENSO oxygen sensors utilize advanced ceramic element technology with a protective coating that extends service life while maintaining accurate air-fuel ratio monitoring. This sensor helps optimize combustion efficiency, reduce emissions, and prevent catalytic converter damage caused by improper fuel mixture.

Products specifications

Fits

1971-1973 Ford Mustang; 1993-2002 Pontiac Firebird; 2006-2008 Hyundai Sonata; 2006-2009 Kia Optima; 2007-2008 Kia Rondo; 2007-2009 Kia Magentis; 1988 Oldsmobile Cutlass Supreme; 1995-1999 Oldsmobile Aurora; 1993-1997 Mazda 626; 1988-1998 Saab 9000

Sensor Type

Heated

Connector Gender

Male

Universal Or Specific Fit

Specific

Wire Quantity

4

Mounting Type

Threaded

Wiring Harness Length

18.11

Thread Diameter

0.708

Speedy delivery. Spark plugs exactly as described.

great price

It would be nice to know when the delivery date will be

Quick and easy! Competitive prices

quick and easy ordering

Quick shipping

The product description is not correct, I did not expect to get 14 lbs. it should read 1ea 4 oz. container.

Order was fast and easy

The description for this item was dead on... no other site, including GM, could UNDERSTANDABLY detail this part...

Great

Quick and easy transaction with delivery 2 days earlier than quoted

Easy to shop but would prefer to know shipping costs earlier in the process before checkout. Would like to know ship time estimate. got it-Fast shipping....... perfect, thank you Alan

Product was as described, great price and reasonable shipping cost. Shipping was also very quick.

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