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2-Piece Air Fuel Ratio & O2 Sensor
Fits Toyota Highlander Sienna Lexus RX350 V6
Replaces OE: 234-9158, 234-9161
Resolves Symptoms
- Check Engine Light (P0420/P0171)
- Rough Idle & Hesitation
- Poor Fuel Economy (MPG)
- Failed Emissions Inspection
Estimated Delivery
Free
Ordered
Sep 29
Prepared
Sep 29-Sep 30
Delivered
Oct 1-Oct 4
Dispatched quickly from local US warehouses.
2-Year Warranty
🛡️ Quality Coverage: Protects against any manufacturing defects for 2 full years.
🔄 Free Replacement: Brand-new replacement for free if quality issues occur.
30-Day Return & Refund
📦 Free Returns: Zero costs to you if the product has quality issues.
💰 Full Refunds: 100% money-back guarantee within 30 days for defective items.
5-Step Fitment Guide
- Check OE: Find original part no. & plug.
- Compare Photos: Match plug with our images.
- Verify YMM: Confirm via fitment tool.
- Review Specs: Check pins & dimensions.
- Purchase: Buy confidently once matched!
Review Rewards
Share an install photo & review to unlock:
- Under $50 Orders: 3% Off Next Order
- $50+ Orders: 5% Direct Cashback
*Email screenshot of your review to support to claim.
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$75.95
-
No hidden fees: What you see is what you pay.
-
Restore performance: Fix issues and drive with confidence.
Check Engine Light? Find Your Symptoms
🌬️ O2 & A/F Sensors
- P0134No Activity Detected
- P0135Heater Circuit Malfunction
- P0137/38Circuit Low/High Voltage
- P2195Signal Stuck Lean
- P0030/31Heater Control Circuit
⛽ Fuel & Air Mixture
- P0171/74System Too Lean
- P0172System Too Rich
- P2096Post-Catalyst Trim Too Lean
- P0087Fuel Rail Pressure Low
- P0201-04Injector Circuit Open
♻️ Catalytic Converters
- P0420Efficiency Below Threshold (B1)
- P0430Efficiency Below Threshold (B2)
⚡ Ignition / Misfires
- P0300Random Misfire
- P0301-06Cylinder-Specific Misfire
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
Note
|
|---|---|---|---|---|
|
2016-2018, 2020-2021
|
Lexus
|
RX350
|
3.5L V6
|
|
|
2019
|
Lexus
|
RX350
|
3.5L V6
|
RX350L; Built in Japan
|
|
2016-2017
|
Lexus
|
RX450h
|
3.5L V6 Hybrid
|
|
|
2018-2019
|
Lexus
|
RX450h
|
3.5L V6 Hybrid
|
Built in Japan
|
|
2017
|
Toyota
|
Highlander
|
2.7L L4
|
|
|
2017-2019
|
Toyota
|
Highlander
|
3.5L V6
|
|
|
2017-2019
|
Toyota
|
Sienna
|
3.5L V6
|
Product Specifications
Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-9158
Interchange: 2349158, 89467-0E240, 894670E240, 89467-48310, 8946748310 |
|
Position
|
Exhaust System, Upstream Left (Bank 2, Sensor 1, Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated
- Wire Quantity: 4 Wires - Connector Gender: Male - Thread Diameter: 0.709 in - Wire Harness Length: 17.32 in |
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-9161
Interchange: 2349161, 89467-0E250, 894670E250, 8946704140, 8946733260, 8946748320 |
|
Position
|
Exhaust System, Upstream Right (Bank 1, Sensor 1, Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated
- Wire Quantity: 4 Wires - Connector Gender: Male - Thread Diameter: 0.709 in - Wire Harness Length: 13.78 in |
Package Content :
2PCS (1*234-9158 Upstream Left+1*234-9161 Upstream Right ) Oxygen Sensor