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Downstream O2 Sensor for Toyota Camry Sienna Lexus ES300 GS300 | 234-4623
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Downstream O2 Sensor

for Toyota Camry Sienna Lexus ES300 GS300
Replaces OE: 234-4623
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
Jul 31 - Aug 3 +
🚚 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
+
📦 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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Share an install photo & review to unlock tier rewards:

🥈 Under $50
3% Off Next Order
🥇 $50+ Orders
5% Direct Cashback
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💡 How to claim: Email a screenshot of your review to our support team.

$27.95
  • 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
2008-2014
Scion
xD Base
1.8L L4
2003-2006
Pontiac
Vibe Base
1.8L L4
2008-2011
Lexus
GS460 Base
4.6L V8
2001-2004
Lexus
GS430 Base
4.3L V8
1998-2000
Lexus
GS400 Base
4.0L V8
1993-1997
Lexus
GS300 Base
3.0L L6
1992-1993
Lexus
ES300 Base
3.0L V6
1994-1995
Lexus
ES300 Base
3.0L V6
1996
Lexus
ES300 Base
3.0L V6
2004-2009
Toyota
Prius Base
1.5L Hybrid
2007-2009
Toyota
Prius Touring
1.5L Hybrid
2001-2003
Toyota
Prius Base
1.5L Hybrid
1992-1993
Toyota
Camry XLE/SE/LE
3.0L V6
1992
Toyota
Camry DLX
3.0L V6
2003-2006
Toyota
Matrix Base/XR
1.8L L4
2000-2005
Toyota
Celica GT
1.8L L4
1996-1997
Toyota
Celica ST
1.8L L4
1998-2000
Toyota
Sienna CE/LE
3.0L V6
1999
Toyota
Sienna XLE
3.0L V6
1998
Toyota
Supra Base
3.0L L6
1994-1996
Toyota
Camry LE/SE
3.0L V6
1994-1996
Toyota
Camry LE
3.0L V6
1994-1996
Toyota
Camry XLE/SE/LE
3.0L V6
1994
Toyota
Camry Base
3.0L V6
1993
Toyota
Camry Base
3.0L V6
1993
Toyota
Camry DX
3.0L V6
1992-1993
Toyota
Camry LE
3.0L V6

 

Product Specifications

Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
Item
Specification
Core Part Number
234-4623
Interchange: 234-4623, 234 4623, 2344623, 8946501090, 8946508010, 8946514230, 8946520510, 88971387, 8946552500, 8946520680, 8946520840, 8946530190, 8946530360, 8946530410, 8946530630, 8946530790, 8946530800, 8946533030, 8946545010, 8946547060, 8946547070
Position
Exhaust System, Downstream (Post-Catalytic Converter)
Key Parameters
- Sensor Type: Heated
- Wire Quantity: 4
- Connector Gender: Male
- Thread Diameter: 0.708 in
- Wiring Harness Length: 23.23 in
- Mounting Type: Threaded

Package Content : 1PCS 234-4623 O2 Sensor