Rear Oxygen Sensor for Chevrolet Spark 2015 4-Wire, Direct Fit Replacement Part 234-4256
Chevrolet Spark 2015 Rear Oxygen Sensor, OEM Part 234-4256 from WEIDA AUTO PARTS is a precise OEM replacement designed to restore the rear O2 sensor’s performance on your Chevrolet Spark. This 4‑wire sensor uses magnetic induction technology to deliver accurate exhaust gas readings, helping your engine control unit (ECU) fine-tune the air‑fuel mix for optimal efficiency and reduced emissions. By matching the original OEM specification 234-4256, it ensures reliable monitoring of the rear exhaust stream and consistent engine performance.
Benefits & Tips
- Precise rear O2 sensing supports accurate ECU fuel trimming, improving real‑world fuel efficiency and lowering emissions on daily commutes and highway trips.
- With a direct OEM replacement, you can expect restored idle stability, smoother acceleration, and a more reliable check engine status compared to using a non‑OEM substitute.
- The 4‑wire design (including a heating element) helps faster sensor warm‑up, enabling quicker stabilization after cold starts for consistent readings.
Product Specifications
- Brand: WEIDA AUTO PARTS
- OEM Part No: 234-4256
- Application: Rear Oxygen Sensor for Chevrolet Spark 2015
- Sensor Type: Magnetic Induction
- Wires: 4-wire
- Origin: Mainland China
Package includes:
- 1 x Rear Oxygen Sensor (OEM 234-4256)
Warnings / Reminders
- Professional installation is recommended to ensure correct fitment and wiring.
- Use only on the compatible vehicle: Chevrolet Spark 2015 rear O2 sensor to ensure proper readings.
- After installation, clear fault codes and perform a normal drive cycle to recalibrate the sensor with the ECU.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
At intercyprus.com since 2002 — trusted for quality and reliability.