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Suitable for 4Pcs O2 Sensor for Lexus RX350 3.5L (2010-2012 USA Built) | 234-9049 234-9042 234-4509 234-4416
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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
Check if your car is compatible This helps guarantee fitment of parts.
Delivery Free
Aug 1 - Aug 4 +
🚚 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.
60-Day Return & Refund
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📦 Free Returns & Exchanges: Zero costs to you if the product has any quality issues.
💰 Full Refunds: 100% money-back guarantee within 60 days for defective items.
Review Rewards & Cashback
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🥈 Under $50
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🥇 $50+ Orders
5% Direct Cashback
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$83.95
  • No other fees; this is the final payment price
  • Get rid of your car's malfunctions and start a pleasant driving journey
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If problem with product: Free Returns & Refunds
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