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Important: Verify connector shape and pins match your original part.
4-Piece Air Fuel Ratio & O2 Sensor Set
Fits Lexus GS350 (2014-2015)
Replaces OE: 234-9140, 234-9145, 2*234-4945
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
- Check OE: Find original part no. & plug.
- Compare Photos: Match plug with our images.
- Verify YMM: Confirm via fitment tool.
- Review Specs: Check pins & dimensions.
- 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.
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$80.95
-
No hidden fees: What you see is what you pay.
-
Restore performance: Fix issues and drive with confidence.
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
|
|---|---|---|---|
|
2014-2015
|
Lexus
|
GS350
|
3.5L V6
|
|
2015
|
Lexus
|
IS250
|
2.5L V6
|
|
2015-2017
|
Lexus
|
IS350
|
3.5L V6
|
|
2015-2018
|
Lexus
|
RC350
|
3.5L V6
|
Product Specifications
Warranty & Support: 2 Years + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-9140
Interchange: 2349140, 234 9140, 89467-02090, 8946702090, 89467-04120, 8946704120, 89467-04130, 8946704130, 89467-06230, 8946706230, 89467-12260, 8946712260, 89467-24010, 8946724010, 89467-30090, 8946730090, 89467-53080, 8946753080, 89467-30070, 8946730070 |
|
Position
|
Exhaust System, Upstream (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Wide-Band
- Wire Quantity: 4 Wires - Wiring Harness Length: 13.46 in - Fit Type: Specific - Connector Gender: Not Provided - Thread Diameter: Not Provided |
|
Core Part Number
|
234-9145
Interchange: 2349145, 89467-0C060, 894670C060, 89467-0C070, 894670C070, 89467-53060, 8946753060, 89467-60140, 8946760140 |
|
Position
|
Exhaust System, Upstream (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Wide-Band
- Wire Quantity: 4 Wires - Wiring Harness Length: 7.40 in - Fit Type: Specific - Connector Gender: Not Provided - Thread Diameter: Not Provided |
|
Core Part Number
|
234-4945
Interchange: 2344945, 234 4945, 89465-53290, 89465-53300, 8946553290, 89465 53290, 8946553300, 24605, 250-24623, 350-34474 |
|
Position
|
Exhaust System, Downstream (Post-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Narrow-Band
- Wire Quantity: 4 Wires - Wiring Harness Length: 22.83 in - Grade Type: Regular - Fit Type: Specific - Connector Gender: Not Provided - Thread Diameter: Not Provided |
Package Content :
4Pcs (1*234-9145 Upstream + 1*234-9140 Upstream + 2*234-4945 Downstream) Oxygen Sensor