HomeEmission Control > SensorsDenso 234-4094 Oxygen Sensor - Downstream or Upstream
Part #: 234-4094

Denso 234-4094 Oxygen Sensor - Downstream or Upstream

OE Style, Downstream
⚙️ 11 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$47.75Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Style, Downstream
🚗Fitment: Honda, Odyssey, Insight, and Prelude
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of the Denso OE Style Oxygen Sensor 234-4094

The Denso OE Style Oxygen Sensor 234-4094 is designed specifically for select Honda models, including the Insight, Odyssey, and Prelude. This heated oxygen sensor features a threaded mounting type and a 13.78-inch wiring harness, ensuring precise fitment and reliable performance.

  • Heated oxygen sensor for accurate emissions control
  • Specific fit for Honda Insight, Odyssey, and Prelude
  • Threaded mounting with 0.708-inch thread diameter
  • 13.78-inch wiring harness length with 4 wires
  • Female connector for secure electrical connection

Detailed Product Description

The Denso 234-4094 oxygen sensor is engineered to meet the exact specifications of the original equipment for Honda vehicles. Its heated sensor type allows for faster warm-up times, improving fuel efficiency and reducing emissions. The sensor’s 4-wire design supports both the heating element and signal transmission, while the female connector ensures a proper and secure connection to the vehicle’s wiring harness. The 0.708-inch threaded mounting type provides a straightforward installation process, maintaining a tight seal to prevent exhaust leaks.

This oxygen sensor is part of Denso’s OE Style product line, which focuses on delivering parts that closely replicate the original equipment in form, fit, and function. The OE Style line is ideal for customers seeking reliable replacement parts that maintain factory performance standards without modification.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for optimal air-fuel mixture
  • Helps resolve rough idling and poor engine performance
  • Reduces increased emissions and failed emissions tests
  • Corrects check engine light triggers related to oxygen sensor faults
  • Improves fuel economy by ensuring proper sensor operation

Installation Notes and Tips

  • Ensure the vehicle is cool before installation to avoid burns
  • Use appropriate tools to avoid damaging the threaded sensor
  • Verify connector type matches the vehicle’s wiring harness (female connector)
  • Check wiring harness length (13.78 inches) for proper routing
  • Follow manufacturer torque specifications for sensor installation

Quality Assurance and Warranty

Denso manufactures the 234-4094 oxygen sensor to meet strict quality standards, ensuring durability and reliable performance. As part of the OE Style line, this sensor is designed to match original equipment specifications. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor or retailer.

BrandDenso
Part Number234-4094
PositionOE Style, Downstream
Connector GenderFemale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length13.78

This part fits 11 vehicles. Search below:

YearMakeModelPositionNotes
2004HondaOdysseyDownstreamOE Style
2003HondaOdysseyDownstreamOE Style
2002HondaOdysseyDownstreamOE Style
2001HondaOdysseyDownstreamOE Style
2000HondaInsightDownstreamOE Style
2000HondaOdysseyDownstreamOE Style
1999HondaOdysseyDownstreamOE Style
1995HondaPreludeUpstreamOE Style
1994HondaPreludeUpstreamOE Style
1993HondaPreludeUpstreamOE Style
1992HondaPreludeUpstreamOE 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:

213-1481213-1482

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