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Important: Verify connector shape and pins match your original part.
Suitable for Upstream Air Fuel Ratio Sensor for Toyota 4Runner Sienna 4.0L (2003-2006) | 234-9055 89467-60010
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Upstream Air Fuel Ratio Sensor

Fits Toyota 4Runner Sienna 4.0L (2003-2006)
Replaces OE: 234-9055, 89467-60010
Resolves Symptoms
  • Check Engine Light (P0420/P0171)
  • Rough Idle & Hesitation
  • Poor Fuel Economy (MPG)
  • Failed Emissions Inspection
Estimated Delivery Free
Ordered
Nov 12
Prepared
Nov 12-Nov 13
Delivered
Nov 26-Dec 4
Requires overseas shipment. Upgrade to expedited shipping at checkout if urgent.
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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$31.95
  • 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/Displacement
2002-2003
Lexus
ES300
3.0L V6
2006-2007
Subaru
B9 Tribeca
3.0L H6
2005-2009
Subaru
Outback
3.0L H6
2008-2009
Subaru
Tribeca
3.6L H6
2008-2009
Subaru
Legacy
3.6L H6
2003-2004
Toyota
4Runner (Limited, Sport, SR5)
4.0L V6
2004-2006
Toyota
Sienna CE
3.3L V6
2004-2006
Toyota
Sienna (CE, LE)
3.3L V6
2004-2006
Toyota
Sienna (CE, LE)
3.3L V6
2006
Toyota
Sienna Limited
3.3L V6
2004-2006
Toyota
Sienna XLE
3.3L V6
2004-2005
Toyota
Sienna XLE Limited
3.3L V6

Product Specifications

Warranty & Support: 2 Years + 24/7 Technical Support
Item
Specification
Core Part Number
234-9055
Interchange: 2349055, 89467-08020, 8946708020, 8946708040, 89467-08040, 250-54008, ES10935
Position
Exhaust System, Upstream (Pre-Catalytic Converter)
Key Parameters
- Type: Heated Oxygen Sensor
- Wire Quantity: 4-Wire
- Connector Gender: Male
- Thread Diameter: 0.711 in
- Wire Harness Length: 7.87 In

 

Package Content :

1Pcs 234-9055 O2 Sensor