Wobiwina Oxygen Sensor 234-9304/234-9307 – Upstream & Downstream Set for Camry, RAV4, Avalon, ES300h

Wobiwina Oxygen Sensor 234-9304/234-9307 — Upstream and Downstream Set

Explore the Wobiwina oxygen sensor pair, crafted to fit a range of popular Toyota and Lexus models. This upstream-downstream set includes two sensors with part numbers 234-9304 and 234-9307, offering OEM-style fit and dependable performance for modern exhaust systems. The design emphasizes reliable electrical connections, robust housing, and wiring paths that resist wear over time.

What it fits

• Camry 2018–2023 2.5L
• Avalon 2020–2022 2.5L
• RAV4 2019–2024 2.5L
• Lexus ES300h 2019–2020 2.5L

Key features

• OE PART
• Part Numbers: 234-9304 and 234-9307
• Upstream and downstream sensors included for balanced monitoring
• Guidance to verify model and year compatibility to ensure you get the right part

These sensors are designed to mirror OE quality, focusing on durable housing, reliable wiring, and connector compatibility that aligns with common harnesses. With two sensors in the kit, you can monitor exhaust data at two critical points, potentially offering a fuller picture of the catalytic converter’s behavior over time. The kit is meant to install using standard mounting provisions and typical harness connectors, reducing the guesswork often involved in maintenance or replacement tasks.

Real-world use scenarios

In everyday driving, this upstream-downstream setup can support steady sensor signals during routine maintenance, pre-emissions checks, or proactive replacement programs. While results can vary by vehicle and driving conditions, users may experience steadier data readings and smoother engine behavior after installation, contributing to more predictable performance during daily commutes and highway trips.

Why choose an OE-style partner

• OE-part reliability with recognizable part numbers
• Designed for compatibility with popular mid-size sedans and hybrids
• Two-sensor configuration supports more consistent exhaust readings

Notes for shoppers: Please double-check the exact model year and configuration to confirm the sensor arrangement for your vehicle. If your ride falls within the listed compatibility window, this Wobiwina set is intended to offer a straightforward replacement that aligns with factory specifications while presenting a value-conscious option.