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Suitable for 4Pcs O2 Sensor
for Lexus RX350 3.5L (2010-2012 USA Built)
Replaces OE: 234-9049 234-9042 234-4509 234-4416
Resolves Symptoms:
Persistent Check Engine Light
Rough Idle
Poor Fuel Economy
Lean Hesitation
5-Step Fitment Guide:
1
Check OE: Find original part no. & plug.
2
Compare Photos: Match plug with our images.
3
Verify YMM: Confirm via fitment tool.
4
Review Specs: Check pins and dimensions.
5
Purchase: Buy confidently once matched!
Check if your car is compatible
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Delivery Free
Sep 18 - Sep 21
🚚 Fast US Local: Dispatched quickly from our local US warehouses for swift delivery.
2-Year Warranty
🛡️ Quality Coverage: Protects against any manufacturing defects for 2 full years.
🔄 Free Replacement: We will provide a brand-new replacement for free if any quality issues occur.
30-Day Return & Refund
📦 Free Returns & Exchanges: Zero costs to you if the product has any quality issues.
💰 Full Refunds: 100% money-back guarantee within 30 days for defective items.
Review Rewards & Cashback
Share an install photo & review to unlock tier rewards:
🥈 Under $50
3% Off Next Order
🥇 $50+ Orders
5% Direct Cashback
🔥 Tip: Buy a Combo Set to easily hit $50 and unlock 5% Cashback!
💡 How to claim: Email a screenshot of your review to our support team.
$80.95
- No other fees; this is the final payment price
- Get rid of your car's malfunctions and start a pleasant driving journey
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
🚛 NOx Sensors & SCR
- P2200/02Sensor Circuit / Signal Low
- P229FCircuit Range/Performance
- P207FReductant Quality Perf.
- 46F2/4D16BMW SCR Efficiency Faults
🛑 ABS & Wheel Speed
- C1021Front Wheel Speed Sensor
- C1025Sensor Signal Erratic
- C1207ABS Pump Overrun
- C0561System Disabled
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
|---|---|---|---|
|
2010-2012
|
Lexus
|
RX350
|
3.5L V6
|
Product Specifications
Warranty & Support: 2 Year + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-9049
Interchange: 2349041, 2349044, 8946706030, 8946706070, 8946706110, 8946707010, 8946708050, 8946708070, 894670E120, 894670R010, 8946712070, 8946728010, 8946733160, 8946742040, 8946742080, 8946748020, 8946772010 |
|
Position
|
Exhaust System, Upstream Left (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Male - Wire Harness Length: 20.08 IN - Thread Diameter: 0.711 IN |
|
Core Part Number
|
234-9042
Interchange: 2349043, 2349045, 2349046, 8946706040, 8946706050, 8946708010, 894670E010, 894670E020, 894670E030, 8946733050, 8946733110, 8946733120, 8946748050, 8946748060, 8946748080, 8946748230 |
|
Position
|
Exhaust System, Upstream Right (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Male - Wire Harness Length: 11.93 IN - Thread Diameter: 0.711 IN |
|
Core Part Number
|
234-4416
Interchange: 894650E040, 8946548220 |
|
Position
|
Exhaust System, Downstream Left (Post-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Male - Wire Harness Length: 10.04 IN - Thread Diameter: 0.708 IN |
|
Core Part Number
|
234-4509
Interchange: 894650E010, 894650E030, 894650E050, 894650E080, 894650E130, 8946548110, 8946548180, 8946548230, 8946548240, 8946548250, 8946548280, 8946548380 |
|
Position
|
Exhaust System, Downstream Right (Post-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Female - Wire Harness Length: 25.59 IN - Thread Diameter: 0.708 IN |
Package Included: 4Pcs O2 Sensors
234-9049*1(4-wire oxygen Sensor): Upstream Left, Bank 2 Sensor 1
234-9042*1 (4-wire oxygen Sensor): Upstream Right, Bank 1 Sensor 1
234-4416*1 (4-wire oxygen Sensor): Downstream Left, Bank 2 Sensor 2
234-4509*1 (4-wire oxygen Sensor): Downstream Right, Bank 1 Sensor 2