Denso
OE Style

Denso 234-4269 Oxygen Sensor - Downstream

Brand Denso 234-4269
Position Downstream
Connector Gender Female
Mounting Type Threaded
Sensor Type Heated
Thread Diameter 0.708
Universal Or Specific Fit Specific
Wire Quantity 4
Wiring Harness Length 15.55
Product line OE Style
Fits Porsche · 3 vehicles

OE-style replacement. Precision-built for exact replacement and a first-time fit.

Heated sensor. Helps support efficient engine performance and fuel economy.

Aluminum oxide trap layer. Protects the ceramic element from silicone and lead poisoning.

Cross-references ACDelco 213-3878, Bosch 15183 and NTK 25652 for the same application. See all 7.

$97.32Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $97.32
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Denso OE Style Oxygen Sensor for Porsche Boxster

The Denso 234-4269 is an OE Style heated oxygen sensor built for exact replacement and first-time fit. It is engineered for the downstream position on 2000-2002 Porsche Boxster models with a threaded, specific-fit design and a 4-wire female connector.

Denso’s OE Style line focuses on direct-fit replacement parts that match factory requirements for the application. This oxygen sensor uses an aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting stable engine operation and consistent fuel control.

Key Features

  • Part number 234-4269
  • OE Style direct-fit oxygen sensor
  • Heated sensor design for faster operating response
  • Specific fit for the downstream location
  • 4-wire configuration with female connector
  • Threaded mounting with 0.708 in. thread diameter
  • 15.55 in. wiring harness length

Detailed Product Information

Compatible with 2000-2002 Porsche Boxster downstream applications, this Denso oxygen sensor is built to replace the original sensor with the correct connector, thread size, and harness length. The 234-4269 is intended for the primary catalyst area and is a strong match for drivers searching for a Porsche Boxster downstream oxygen sensor, OE style replacement, or Denso 234-4269 direct-fit sensor.

This part cross-references Bosch 15183 for the same application. It also aligns with OE reference Porsche 98660612801.

Common Issues This Sensor Can Address

  • Check engine light related to oxygen sensor performance
  • Incorrect air-fuel mixture readings from a worn downstream sensor
  • Reduced fuel efficiency caused by inaccurate exhaust feedback
  • Slow sensor response after extended heat cycling
  • Emissions test failures tied to sensor degradation

Installation Notes and Tips

Verify the downstream location and connector style before installation. Match the threaded mounting point, wire count, and harness length to the original sensor on the vehicle. For best results, inspect the connector and surrounding exhaust components for heat damage or corrosion before replacing the sensor.

Quality Assurance

Denso manufactures and tests this OE Style oxygen sensor to strict original-equipment standards for fit and performance. The design is focused on accurate replacement, proper sensor response, and long service life in demanding exhaust conditions.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2002PorscheBoxsterDownstreamLoc. Primary Catalyst; OE Style
2001PorscheBoxsterDownstreamLoc. Primary Catalyst; OE Style
2000PorscheBoxsterDownstreamLoc. Primary Catalyst; OE Style
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 213-3878Bosch — 15183NTK — 25652Porsche — 98660612801Standard Ignition — SG185Walker Products — 250-24647Walker Products — 350-34555