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DENSO 234-4123 Oxygen Sensor Heated Direct Fit - 4-Wire

(Honda Civic 2001-05, Prelude 1992-96; Mazda 3 2014-18; Mercedes-Benz 190E 1984-85, 300D 1977-85, 240D 1977-83, 280SE 1977-80, 300SD 1978-85 + 9 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

234-4123
14 reviews
Sale Price

$32.69

In Stock (10+)

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Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The DENSO 234-4123 is a premium 4-wire heated oxygen sensor engineered to meet strict OEM standards for precise air-fuel ratio monitoring. This direct-fit O2 sensor features a 12.99-inch wire harness for easy installation and is designed as an exact replacement for your vehicle's original equipment sensor.

Key Features:

  • 4-wire heated design for faster sensor activation and improved cold-start performance
  • Exclusive aluminum oxide trap layer protects ceramic element from silicone and lead poisoning
  • Precision-manufactured to OE specifications for guaranteed first-time fit
  • Direct-fit design with 12.99-inch wire length for simplified installation
  • Advanced ceramic element construction for accurate signal output
  • Enhanced durability for extended service life

DENSO oxygen sensors help optimize engine performance, maximize fuel efficiency, and reduce harmful emissions by providing your engine control module with accurate exhaust gas readings. Each sensor undergoes rigorous testing to ensure reliable operation and long-term durability in demanding automotive environments.

Products specifications

Fits

Honda Civic 2001-05, Prelude 1992-96; Mazda 3 2014-18; Mercedes-Benz 190E 1984-85, 300D 1977-85, 240D 1977-83, 280SE 1977-80, 300SD 1978-85, 450SEL 1977-80, 380SE 1984-85, 190D 1984-85, 230 1977-78, 380SEL 1981-83, 280E 1977-81 + 4 more models

Sensor Type

Heated

Connector Gender

Male

Universal Or Specific Fit

Specific

Wire Quantity

4

Mounting Type

Threaded

Wiring Harness Length

12.99

Thread Diameter

0.708

Easy to find parts. Great price for what I want. I'm paying half the price compare to the local autopart store

First time user let’s see what happens. Easy to use so far.

GOOD PRICES EASY PICKINS

So Far So Good

Best price and easy to order!! Can't be beaten

Best price! No brainer

All good, next day delivery

Saving money

Super pricing, fast shipments, good selection they have it all.

Excellent customer service....<br>fast delivery<br>and good quality parts<br><br>

My second time ordering from Autoplicity. I price shop online and Autoplicity had the lowest price both times. Fast ship with email notifications. Autoplicity will now be my "First" site I go to for my auto accessories. Great job Autoplicity.

Organized website!

Great prices, quick shipping, customer service a bit difficult to reach. But, after reaching customer service, issue was resolved without a problem.

Excellent low price, super fast shipping, and great communication. Top notch seller. Recommend highly!!

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