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Important: Verify connector shape and pins match your original part.
2Pcs Air Fuel Ratio & O2 Sensor for Toyota Sienna V6 (2004-2010 FWD Only) | 234-9012 234-4516
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2-Piece Air Fuel Ratio & O2 Sensor

Fits Toyota Sienna V6 (2004-2010 FWD Only)
Replaces OE: 234-9012, 234-4516
Resolves Symptoms
  • Check Engine Light (P0420/P0171)
  • Rough Idle & Hesitation
  • Poor Fuel Economy (MPG)
  • Failed Emissions Inspection
Estimated Delivery Free
Ordered
Oct 30
Prepared
Oct 30-Oct 31
Delivered
Nov 1-Nov 4
Dispatched quickly from local CA 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
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  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 & dimensions.
  5. Purchase: Buy confidently once matched!
Review Rewards
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  • Under $50 Orders: 3% Off Next Order
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4 reviews

$62.95
Kind tips: All prices displayed and final checkout are processed in USD
  • No hidden fees: What you see is what you pay.
  • Restore performance: Fix issues and drive with confidence.
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If problem with product: Free Returns & Refunds
Check Engine Light? Find Your Symptoms
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🌬️ 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
2004-2006
Toyota
Sienna
3.3L V6
2007-2010
Toyota
Sienna (FWD)
3.5L V6

 

Product Specifications

Warranty & Support: 2 Years + 24/7 Technical Support
Item
Specification
Core Part Number
234-9012
Interchange: 234-4516, 89465-08030, 89465-08070, SU6987, 15620, 15677, ES20180, 75-3944, 24687, SG1658, 2133874
Position
Exhaust System, Upstream Right (Bank 1, Sensor 1, Pre-Catalytic Converter)
Key Parameters
- Sensor Type: Heated Wide-Band Oxygen Sensor
- Wire Quantity: 4 Wires
- Wire Harness Length: 7.09 in
- Thread Diameter: 0.711 in
- Connector Gender: Male
- Fit Type: Specific
Core Part Number
234-4516
Interchange: 234-9012, 2349012, 234 9012, 89467-08040, 89467 08040, 8946708040
Position
Exhaust System, Downstream Right (Bank 1, Sensor 2, Post-Catalytic Converter)
Key Parameters
- Sensor Type: Heated Narrow-Band Oxygen Sensor
- Wire Quantity: 4 Wires
- Wire Harness Length: 15.75 in
- Thread Diameter: 0.708 in
- Connector Gender: Female
- Fit Type: Specific

 

Package Content :

2PCS (1*234-9012 Upstream+1*234-4516 Downstream) Oxygen Sensor