HomeEmission Control > SensorsDenso 234-4142 Oxygen Sensor - Downstream or Downstream Front
Part #: 234-4142

Denso 234-4142 Oxygen Sensor - Downstream or Downstream Front

OE Style, Downstream Front
8 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
OE Style, Downstream Front
Fitment: Mazda, MPV
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Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Denso OE Style Oxygen Sensor 234-4142

The Denso OE Style Oxygen Sensor 234-4142 is designed specifically for Mazda MPV models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a 17.91-inch wiring harness for a secure and accurate fit.

  • Heated oxygen sensor for faster response times
  • Specific fit for Mazda MPV vehicles
  • Threaded mounting with 0.708-inch thread diameter
  • 17.91-inch wiring harness length for proper installation
  • Four-wire design with male connector for reliable connection

Detailed Product Description

The Denso OE Style 234-4142 oxygen sensor is engineered to meet the exact specifications of Mazda MPV models. Its heated sensor type allows for quicker activation, improving fuel efficiency and reducing emissions. The sensor’s four-wire configuration includes a male connector, facilitating a secure electrical connection. With a 0.708-inch thread diameter and threaded mounting type, installation is straightforward and ensures a tight seal. The 17.91-inch wiring harness length provides adequate reach for proper placement within the vehicle’s exhaust system.

About the OE Style Product Line

The OE Style line from Denso focuses on delivering parts that match original equipment specifications. This ensures compatibility and performance consistent with factory-installed components. The 234-4142 oxygen sensor maintains the quality and fitment standards expected from Denso’s OE Style series, making it a reliable replacement for Mazda MPV emission control systems.

Common Applications and Issues Addressed

  • Restores accurate oxygen level readings for engine control
  • Helps resolve rough idling and poor fuel economy
  • Reduces emissions by ensuring proper air-fuel mixture
  • Prevents check engine light related to oxygen sensor faults
  • Improves overall engine performance and responsiveness

Installation Notes and Tips

When installing the Denso 234-4142 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to avoid damaging the threaded mounting. Verify the wiring harness length and connector gender match the vehicle’s harness to ensure a proper fit. It is recommended to apply anti-seize compound on the threads to facilitate future removal.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship, providing confidence in the 234-4142 sensor’s reliability for Mazda MPV applications.

BrandDenso
Part Number234-4142
PositionOE Style, Downstream Front
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length17.91

This part fits 8 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2006MazdaMPVDownstream FrontOE Style
2005MazdaMPVDownstream FrontOE Style
2004MazdaMPVDownstream FrontOE Style
2003MazdaMPVDownstream FrontOE Style
2002MazdaMPVDownstream FrontOE Style
1998MazdaMPVRWDDownstreamOE Style
1997MazdaMPVRWDDownstreamOE Style
1996MazdaMPVRWDDownstreamOE 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:

213-1412

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