OXYGEN SENSOR 234-4815 (4PCS)
High quality 100% brand new direct-fit replacement oxygen sensor set — 4pcs 234-4815, built for smooth operation, accurate fuel trim and dependable performance.
O2 Sensor Help You Solve
A failing oxygen sensor can cause a range of driveability and emissions issues. Replacing it restores performance and efficiency.
Check-Engine Light
Illuminated check-engine light often points to a faulty O2 sensor. Our sensor clears the code and keeps it off.
Hard Engine Starts
Difficulty starting or rough idle? A worn sensor throws off the air-fuel mixture. Replace it for smooth starts.
High Exhaust Emissions
Excessive smoke or failed emissions tests can result from an aged O2 sensor. Restore clean combustion.
Higher Fuel Consumption
When the sensor degrades, the ECU over-fuels. Our sensor helps regain optimal fuel economy.
Smarter Sensing
Engineered with premium materials and precision manufacturing for reliable, long-lasting performance.
Premium Chip & Platinum Electrode
Realizes accurate signal processing and stable wireless transmission, ensuring precise air-fuel ratio feedback to the ECU.
Precision Laser Welding
Provides high-temperature resistance and reliable sealing protection, preventing leakage and extending service life.
Stainless-Steel Protective Housing
Forms firm sealing structure for long-term durable performance, shielding internal components from harsh exhaust gases.
Precision Parts
Every component is selected for durability, accuracy, and reliable performance in extreme conditions.
NOTE: Images for reference only. Refer to actual item for each model.
Robust & Precise Sensing
Engineered to withstand extreme temperatures and deliver a long service life.
Superior service life compared to conventional sensors.
Consistent operation in tough working conditions.
NOTE: Images for reference only. Refer to actual item for each model.
Why Choose Us?
Precision engineering and quality construction make our O2 sensor a reliable replacement.
Precision Design
Accurate dimensional specifications
Quality Construction
Superior wear-resistant performance
Quick Install
Direct fit for your vehicle
Sensor Location Reference
Understand where upstream and downstream sensors are positioned in your exhaust system.
Upstream Sensor
Before the catalytic converter. Also referred to as Bank 1 Sensor 1 or Bank 2 Sensor 1.
Bank 2 Sensor 1 — Before Catalytic Converter
Downstream Sensor
After the catalytic converter. Also referred to as Bank 1 Sensor 2 or Bank 2 Sensor 2.
Bank 2 Sensor 2 — After Catalytic Converter
Left Side and Right Side configurations may apply depending on vehicle layout. Always verify with your vehicle part number.
Part Numbers
Please confirm your vehicle part number matches before ordering.
How To Choose The Correct Part
Not sure which one fits? Follow these three steps.
Important Notes
Please read carefully before purchase.
Package Included
Everything you receive with this order.
Oxygen Sensor Set — 4pcs 234-4815
As the pictures shown — total 4 pieces (all same part number).
Questions About Fitment?
You will get what you see in the pictures. Please ensure the product is helpful for you before purchase. If there is any question or problem, feel free to contact us via eBay.
CONTACT US ON EBAYOn Oct 8, 2026 at 21:36:18 PDT, seller added the following information: