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DENSO 234-4390 Oxygen Sensor Heated Direct Fit - 4-Wire

(2006-2013 Chevrolet Impala; 2004-2005 Mazda 3; 2006-2007 Mazda 5; 2020-2023 Hyundai Sonata; 1994-1997 Mercedes-Benz S500 + 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

234-4390
7 reviews
Sale Price

$86.12

1 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 234-4390 is a premium 4-wire heated oxygen sensor engineered to meet strict OEM standards for reliable performance and emissions control. This direct-fit sensor features a 31.1-inch wire harness for precise installation without modifications.

Key Features:

  • 4-wire heated design for faster sensor activation and accurate readings
  • Exclusive aluminum oxide trap layer protects against silicone and lead poisoning
  • Precision-manufactured to OE specifications for exact fitment
  • 31.1-inch wire length provides flexible routing options
  • Enhanced durability for extended service life

DENSO oxygen sensors help optimize engine performance, improve fuel efficiency, and ensure proper emissions system operation. The advanced ceramic element design resists contamination and maintains accuracy throughout the sensor's lifespan, making it an ideal replacement for worn or failed O2 sensors.

Products specifications

Fits

2006-2013 Chevrolet Impala; 2004-2005 Mazda 3; 2006-2007 Mazda 5; 2020-2023 Hyundai Sonata; 1994-1997 Mercedes-Benz S500; 1994-1997 Mercedes-Benz S600; 1993 Mercedes-Benz 500SEC; 1993 Mercedes-Benz 600SEC; 1989-1993 Buick Riviera; 1978-1983 Audi 5000

Sensor Type

Heated

Connector Gender

FEMALE

Universal Or Specific Fit

Specific

Wire Quantity

4

Mounting Type

Threaded

Wiring Harness Length

31.10

Thread Diameter

0.708

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Lowest price of anyone, including shipping. Arrived quickly. What more can you ask for.

Good prices and quick shipping. Thanks!

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