Skip to product information
Important: Verify connector shape and pins match your original part.
2Pcs O2 Sensor for Lexus RX330 Toyota Highlander (2004-2006) | 234-9042 234-4168
1/10

2-Piece O2 Sensor

Fits Lexus RX330 Toyota Highlander (2004-2006)
Replaces OE: 234-9042, 234-4168
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
+
  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
+

Share an install photo & review to unlock:

  • Under $50 Orders: 3% Off Next Order
  • $50+ Orders: 5% Direct Cashback

*Email screenshot of your review to support to claim.

Check if your car is compatible This helps guarantee fitment of parts.
⏳ Loading fitment data...
$68.95
  • No hidden fees: What you see is what you pay.
  • Restore performance: Fix issues and drive with confidence.
  • Visa
  • Mastercard
  • American Express
  • Discover
  • JCB
  • PayPal
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

Automotive-Leader Sensors

Vehicle Compatible

Year
Make
Model
Engine/Displacement
2004-2006
Lexus
RX330
3.3L V6
2006-2007
Toyota
Highlander
3.3L V6
2004-2005
Toyota
Highlander
3.3L V6
2004-2006
Toyota
Sienna
3.3L V6

 

Product Specifications

Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
Item
Specification
Core Part Number
234-9042
Interchange: 2349042, 234 9042, 89467-06040, 89467-0E030, 89467-33050, 89467-48050, 89467-48060
Position
Exhaust System, Upstream, Bank 2 Sensor 1 (Pre-Catalytic Converter)
Key Parameters
- Wiring Harness Length: 11.93 IN
- Wire Quantity: 4 Wires
- Sensor Type: Heated
- Connector Gender: Male
- Thread Diameter: 0.711 IN
- Universal Or Specific Fit: Specific
Core Part Number
234-4168
Interchange: 2344168, 234 4168, 89465-48170, 8946548170, 89465-08040, 8946508040, 89465 08040
Position
Exhaust System, Downstream, Bank 2 Sensor 2 (Post-Catalytic Converter)
Key Parameters
- Wiring Harness Length: 13.78 IN
- Wire Quantity: 4 Wires
- Sensor Type: Heated
- Connector Gender: Male
- Thread Diameter: 0.708 IN
- Mounting Type: Threaded
- Universal Or Specific Fit: Specific

 

Package Content :

2PCS (1*234-9042 Upstream+1*234-4168 Downstream) Oxygen Sensor