Upstream Oxygen 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!
Review Rewards
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- Under $50 Orders: 3% Off Next Order
- $50+ Orders: 5% Direct Cashback
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No hidden fees: What you see is what you pay.
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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
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Year
|
Make
|
Model
|
Engine/Displacement
|
Note
|
|---|---|---|---|---|
|
2003-2004
|
Toyota
|
Corolla
|
1.8L L4
|
—
|
|
2003-2004
|
Toyota
|
Matrix
|
1.8L L4
|
FWD, Rear Drum brakes
|
|
2003-2004
|
Pontiac
|
Vibe
|
1.8L L4
|
FWD, Base Model
|
Product Specifications
|
Item
|
Specification
|
|---|---|
|
Core Part Number
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234-4800
Interchange: 2344800, 13544, ES20157, 213-3025, 2133025, 213-4267, 2134267, 89465-13030, 8946513030, 88971384, SG753 |
|
Position
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Exhaust System, Upstream, Front, Pre-cat
|
|
Key Parameters
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- Sensor Type: Heated Oxygen Sensor
- Wire Quantity: 4 Wires - Wiring Harness Length: 14.76 IN - Connector Gender: Male - Thread Diameter: 0.708 IN - Mounting Type: Threaded - Universal Or Specific Fit: Specific |