Feed the ECU accurate exhaust-oxygen readings with the Walker Products Oxygen Sensor 350-34099, a 4-wire, narrow-band, heated direct-fit sensor. It drops in as an OE-style replacement across a wide range of Toyota, Lexus, Scion and Pontiac applications, including the 2004-2011 Toyota Camry [L4-2.4L], 2007-2017 Toyota Camry [V6-3.5L], 1994-1998 Lexus ES300 [V6-3.0L], 2010-2014 Lexus GX460 [V8-4.6L] and 2009-2010 Pontiac Vibe [L4-2.4L] — see the Buyer's Guide tab for the full list of 96 applications.
The oxygen sensor measures how much oxygen remains in the exhaust gas, giving the ECU a reading of combustion efficiency.
Specs: narrow-band sensor type, heated element, 4 spade terminals, a square female/male connector, threaded mounting with a listed wrench size of 22, 20-gauge wiring and a 350 mm wiring harness. Grade: Standard Replacement. Country of origin: China.
Manufacturer part number: 350-34099 (also 35034099).
This part cross-references / interchanges with the following part numbers:
What does this oxygen sensor do?
It measures the oxygen remaining in the exhaust gas and reports the air-fuel ratio to the ECU, which uses that feedback to gauge combustion efficiency.
Is the 350-34099 a heated sensor?
Yes. The catalog data lists it as a heated, narrow-band oxygen sensor with 4 wires and spade terminals.
How does it connect and mount?
It uses a square connector with female and male terminals, 4 spade terminals, 20-gauge wiring on a 350 mm harness, and threaded mounting with a listed wrench size of 22.
What are signs this sensor may need replacing?
A failing sensor may make the engine run poorly, raise fuel consumption or emissions, or illuminate the malfunction indicator light (MIL). Check the sensor, wiring and connector for damage and diagnose the cause before replacing.
Will it fit my vehicle?
It's a direct-fit replacement for 96 Toyota, Lexus, Scion and Pontiac applications. Check the Buyer's Guide tab with your year, model and engine code to confirm.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
