Downstream O2 Sensor
- Check Engine Light (P0420/P0171)
- Rough Idle & Hesitation
- Poor Fuel Economy (MPG)
- Failed Emissions Inspection
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!
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-
No hidden fees: What you see is what you pay.
-
Restore performance: Fix issues and drive with confidence.
Check Engine Light? Find Your Symptoms
- P0134No Activity Detected
- P0135Heater Circuit Malfunction
- P0137/38Circuit Low/High Voltage
- P2195Signal Stuck Lean
- P0030/31Heater Control Circuit
- P0171/74System Too Lean
- P0172System Too Rich
- P2096Post-Catalyst Trim Too Lean
- P0087Fuel Rail Pressure Low
- P0201-04Injector Circuit Open
- P0420Efficiency Below Threshold (B1)
- P0430Efficiency Below Threshold (B2)
- P0300Random Misfire
- P0301-06Cylinder-Specific Misfire
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
Notes
|
|---|---|---|---|---|
|
1998-2005
|
Lexus
|
LX470
|
4.7L
|
|
|
1999-2000
|
Toyota
|
4Runner 4WD
|
3.4L
|
Standard Transmission, Federal Emissions
|
|
1999-2000
|
Toyota
|
4Runner 4WD
|
2.7L
|
Federal Emissions
|
|
1999-2000
|
Toyota
|
4Runner 4WD
|
2.7L
|
Automatic Transmission, California Emissions
|
|
1996-1998
|
Toyota
|
4Runner 4WD
|
2.7L / 3.4L
|
|
|
1995
|
Toyota
|
4Runner
|
2.4L
|
California Emissions
|
|
1993-1994
|
Toyota
|
4Runner
|
2.4L Gas
|
California Emissions
|
|
2005
|
Toyota
|
Land Cruiser
|
4.7L
|
Manufactured Before May
|
|
1998-2004
|
Toyota
|
Land Cruiser
|
4.7L
|
|
|
1995
|
Toyota
|
Pick Up 4WD
|
3.0L
|
California Emissions
|
|
1993-1995
|
Toyota
|
Pick Up RWD
|
2.4L
|
California Emissions
|
|
1993-1995
|
Toyota
|
Pick Up 4WD
|
2.4L
|
California Emissions (Japan Built / USA Built)
|
|
1994
|
Toyota
|
Pick Up 4WD
|
3.0L
|
California Emissions
|
|
1996-1998
|
Toyota
|
T-100
|
2.7L
|
Standard Transmission
|
|
2000
|
Toyota
|
Tacoma
|
2.4L
|
Automatic Transmission (CA Emissions / Federal Emissions)
|
|
2000
|
Toyota
|
Tacoma 4WD
|
3.4L
|
Standard Transmission, Federal Emissions
|
|
1995-1999
|
Toyota
|
Tacoma
|
2.4L
|
Automatic Transmission
|
|
1995-1999
|
Toyota
|
Tacoma 4WD
|
3.4L
|
Standard Transmission
|
|
2000-2002
|
Toyota
|
Tundra RWD
|
4.7L
|
Product Specifications
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-4154
Interchange: 2344154, 8946509040, 8946509110, 8946509170, 8946539605, 8946539655, 8946539665, 8946539855, 8946539885, 8946569145, 8946569175, 8946580011, 8946580030 |
|
Position
|
Exhaust System, Upstream (Front, Pre-Catalytic Converter)
|
|
Key Parameters
|
- Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Wire Harness Length: 12.91 IN - Grade Type: Regular - Fit Type: Specific |
Package Content :
1Pcs 234-4154 Oxygen Sensor