HomeEmission Control > SensorsDenso 234-8081 Oxygen Sensor - Upstream or Upstream Left
Part #: 234-8081

Denso 234-8081 Oxygen Sensor - Upstream or Upstream Left

Oxygen Sensor - OE Style, Upstream and Upstream Left
⚙️ 40 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Oxygen Sensor - OE Style, Upstream and Upstream Left
🚗Fitment: Cadillac, Chevrolet, and GMC, Escalade, Escalade ESV, Sierra 1500, Sierra 1500 Limited, Silverado 1500, Silverado 1500 LD, Tahoe, Yukon, and Yukon XL
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Reliable Oxygen Sensor for Cadillac, Chevrolet, and GMC Vehicles

The Denso 234-8081 Oxygen Sensor - OE Style is designed to provide precise air-fuel mixture readings for select Cadillac, Chevrolet, and GMC models. This specific fit sensor ensures accurate emissions control and optimal engine performance for vehicles like the Escalade, Sierra 1500, and Yukon.

  • Specific fit for Cadillac Escalade, Escalade ESV, Chevrolet Silverado 1500, Tahoe, and GMC Yukon models
  • Narrow-band sensor type for accurate oxygen level detection
  • 13.19-inch wiring harness length for proper installation
  • Four-wire design for reliable signal transmission
  • Part number 234-8081 for exact replacement compatibility

About the Denso Oxygen Sensor - OE Style Product Line

The Oxygen Sensor - OE Style line from Denso is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This product line focuses on delivering precise sensor performance and durability, ensuring that emission control systems function as intended. The 234-8081 sensor maintains the integrity of the vehicle’s emission system by matching the original sensor’s design and electrical characteristics.

Product Details and Specifications

The Denso 234-8081 oxygen sensor features a narrow-band sensor type, which is essential for monitoring the oxygen content in the exhaust gases and helping the engine control module adjust the air-fuel ratio. With a wiring harness length of 13.19 inches and four wires, this sensor is designed for specific fitment, ensuring proper connection and signal accuracy. It is compatible with a range of Cadillac, Chevrolet, and GMC vehicles, including the Escalade, Escalade ESV, Sierra 1500, Sierra 1500 Limited, Silverado 1500, Silverado 1500 LD, Tahoe, Yukon, and Yukon XL.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for improved fuel efficiency
  • Helps resolve check engine light triggers related to oxygen sensor faults
  • Supports proper emissions control to meet regulatory standards
  • Reduces rough idling and engine performance issues caused by faulty sensors
  • Prevents increased exhaust emissions due to sensor malfunction

Installation Notes and Tips

When installing the Denso 234-8081 oxygen sensor, ensure the vehicle is compatible with this specific fit sensor. The 13.19-inch wiring harness length allows for straightforward routing and connection. Use appropriate tools to avoid damaging the sensor or wiring during installation. It is recommended to check for any exhaust leaks and verify sensor operation after installation.

Quality Assurance and Warranty

Denso oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. The 234-8081 part undergoes rigorous testing to ensure durability and reliable performance. While specific warranty details are not provided here, Denso products typically come with a limited warranty covering defects in materials and workmanship.

BrandDenso
Part Number234-8081
PositionOxygen Sensor - OE Style, Upstream and Upstream Left
Wiring Harness Length13.19
Sensor TypeNarrow-band
Universal Or Specific FitSpecific
Wire Quantity4

This part fits 40 vehicles. Search below:

YearMakeModelFuel TypePositionNotes
2020CadillacEscaladeUpstream LeftOE; Oxygen Sensor - OE Style
2020CadillacEscalade ESVUpstream LeftOE; Oxygen Sensor - OE Style
2020ChevroletTahoeUpstream LeftOE; Oxygen Sensor - OE Style
2020GMCYukonUpstream LeftOE; Oxygen Sensor - OE Style
2020GMCYukon XLUpstream LeftOE; Oxygen Sensor - OE Style
2019ChevroletSilverado 1500 LDUpstreamOE; Oxygen Sensor - OE Style
2019ChevroletTahoeUpstream LeftOE; Oxygen Sensor - OE Style
2019GMCSierra 1500 LimitedUpstreamOE; Oxygen Sensor - OE Style
2019GMCYukonUpstream LeftOE; Oxygen Sensor - OE Style
2019GMCYukon XLUpstream LeftOE; Oxygen Sensor - OE Style
2018CadillacEscaladeUpstream LeftOE; Oxygen Sensor - OE Style
2018CadillacEscalade ESVUpstream LeftOE; Oxygen Sensor - OE Style
2018ChevroletSilverado 1500UpstreamOE; Oxygen Sensor - OE Style
2018ChevroletTahoeUpstream LeftOE; Oxygen Sensor - OE Style
2018GMCSierra 1500UpstreamOE; Oxygen Sensor - OE Style
2018GMCYukonUpstream LeftOE; Oxygen Sensor - OE Style
2018GMCYukon XLUpstream LeftOE; Oxygen Sensor - OE Style
2017CadillacEscaladeUpstream LeftOE; Oxygen Sensor - OE Style
2017CadillacEscalade ESVUpstream LeftOE; Oxygen Sensor - OE Style
2017ChevroletSilverado 1500UpstreamOE; Oxygen Sensor - OE Style
2017ChevroletTahoeUpstream LeftOE; Oxygen Sensor - OE Style
2017GMCSierra 1500UpstreamOE; Oxygen Sensor - OE Style
2017GMCYukonUpstream LeftOE; Oxygen Sensor - OE Style
2017GMCYukon XLUpstream LeftOE; Oxygen Sensor - OE Style
2016CadillacEscaladeUpstream LeftOE; Oxygen Sensor - OE Style
2016CadillacEscalade ESVUpstream LeftOE; Oxygen Sensor - OE Style
2016ChevroletSilverado 1500UpstreamOE; Oxygen Sensor - OE Style
2016ChevroletTahoeUpstream LeftOE; Oxygen Sensor - OE Style
2016GMCSierra 1500UpstreamOE; Oxygen Sensor - OE Style
2016GMCYukonGASUpstream LeftOE; Oxygen Sensor - OE Style
2016GMCYukon XLUpstream LeftOE; Oxygen Sensor - OE Style
2015CadillacEscaladeUpstreamOE; Oxygen Sensor - OE Style
2015CadillacEscalade ESVUpstreamOE; Oxygen Sensor - OE Style
2015ChevroletSilverado 1500UpstreamOE; Oxygen Sensor - OE Style
2015ChevroletTahoeUpstreamOE; Oxygen Sensor - OE Style
2015GMCSierra 1500UpstreamOE; Oxygen Sensor - OE Style
2015GMCYukonUpstreamOE; Oxygen Sensor - OE Style
2015GMCYukon XLUpstreamOE; Oxygen Sensor - OE Style
2014ChevroletSilverado 1500UpstreamOE; Oxygen Sensor - OE Style
2014GMCSierra 1500UpstreamOE; Oxygen Sensor - OE Style

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

12659516215812348081250-241162350-34966

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.