DENSO 234-4337 Downstream Oxygen Sensor – OE-Replacement for Emissions Control

$19.90

In stock

Quantity
SKU: 587|234-4337 Category: Brand:

Description

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Oxygen Sensor; OE-Replacement

DENSO’s light duty oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the sensor is to monitor the air fuel mixture under idle, moderate acceleration and cruise conditions. Under heavy acceleration the oxygen sensor goes into “open loop,” which basically means that the engine management computer system ignores the oxygen sensor. Oxygen sensors have a smaller range of limits in detecting and adjusting the difference from an optimum air/fuel ratio. As the automotive industry continues to improve on their standards DENSO is keeping the pace with advancements in our engineering to meet the demands from the industry. Also, as car owners are holding on to their vehicles for longer periods, DENSO continues to make auto parts available for those critical replacement parts for all applications. Oxygen sensors, also known as Lambda sensors or oxygen sensors among some vehicle manufacturers, are among the most sensitive and critical components on your car’s engine. Earlier fuel injection systems employed one oxygen sensor in the exhaust system to maintain closed-loop air/fuel mixture control. However, today’s engines may use as many as four sensors, which monitor not only exhaust gas oxygen content but catalytic converter efficiency as well. In order to perform these functions properly, the sensors must adhere to OE standards within incredibly close tolerances. A malfunctioning or incorrectly calibrated oxygen sensor can hurt drivability and illuminate the malfunction indicator, resulting in costly and time-consuming repairs

Key Features:

  • ✔ Stainless Steel Housing Resists Corrosion And Contamination With A Rugged, Watertight Body
  • ✔ Robotic Laser Weld
  • ✔ Porous PTFE Filter Blocks Efficiency-Robbing Contaminants
  • ✔ Refined Zirconia Element Improves Sensor Response
  • ✔ Double Protection Cover Maintains Proper Unit Temperature For Quicker Response Times And Protects The Ceramic Element Against Silicone And Lead Poisoning
  • ✔ Aluminum-Oxide Trap Layer Keeps Silicone And Lead Outside The Ceramic Element Through DENSO’s Exclusive Design, Preventing Damage To The Platinum Electrode
  • ✔ Superior Design Maximizes Engine Performance While Reducing Fuel Consumption And Harmful Emissions
  • ✔ Ensures Smog Test Compliance

Fitments:

Buick Lucerne 2006-2011, Cadillac DTS 2006-2011, Cadillac Escalade 2007-2007, Cadillac Escalade ESV 2007-2007, Cadillac Escalade EXT 2007-2007, Chevrolet Avalanche 2007-2007, Chevrolet Avalanche 1500 2006-2006, Chevrolet Colorado 2009-2012, Chevrolet Silverado 1500 2006-2013, Chevrolet Silverado 1500 Classic 2007-2007, Chevrolet Suburban 1500 2006-2007, Chevrolet Suburban 2500 2007-2007, Chevrolet Tahoe 2006-2007

Specifications:

Feature Details
Type Heated
Connector Style 4 Wire
Voltage Range OEM
Includes Adapter Fittings No
Includes Weather Pack Harness No
Includes Weld Fitting No

Buy with confidence If you encounter any issues with your product, simply reach out to us. We are committed to ensuring your satisfaction and will assist with any return or exchange requests that meet our policy guidelines.

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