Skip to product information
Important: Verify connector shape and pins match your original part.
Suitable for Downstream Left O2 Sensor for Lexus GS350 3.5L V6 (2007-2013) | 234-4519 8946530840
1/9

Downstream Left O2 Sensor

Fits Lexus GS350 3.5L V6 (2007-2013)
Replaces OE: 234-4519, 8946530840
Resolves Symptoms
  • Check Engine Light (P0420/P0171)
  • Rough Idle & Hesitation
  • Poor Fuel Economy (MPG)
  • Failed Emissions Inspection
Estimated Delivery Free
Ordered
Nov 13
Prepared
Nov 13-Nov 14
Delivered
Nov 27-Dec 5
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
+
  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...
$44.95
  • 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
2013
Lexus
GS350 (Base)
3.5L V6 Naturally Aspirated
2013
Lexus
GS350 F Sport
3.5L V6 Naturally Aspirated
2011
Lexus
GS350 (Base)
3.5L V6 Naturally Aspirated
2010
Lexus
GS350 (Base)
3.5L V6 Naturally Aspirated
2009
Lexus
GS350 (Base)
3.5L V6 Naturally Aspirated
2008
Lexus
GS350 (Base)
3.5L V6 Naturally Aspirated
2007
Lexus
GS350 (Base)
3.5L V6 Naturally Aspirated

 

Product Specifications

Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
Item
Specification
Core Part Number
234-4519
Interchange: 2344519, 89465-30840, 8946530840
Position
Exhaust System, Downstream (Rear, Post-Catalytic Converter)
Key Parameters
- Sensor Type: Heated Narrow-Band
- Wire Quantity: 4 Wires
- Connector Gender: Male
- Mounting Type: Threaded
- Thread Diameter: 0.708 IN
- Wire Harness Length: 43.50 IN (Note: This is a relatively long harness)
- Universal Or Specific Fit: Specific

Package Content : 1Pcs 234-4519 Oxygen Sensor