Upstream 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!
Review Rewards
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- Under $50 Orders: 3% Off Next Order
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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
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Engine/Displacement
|
|---|---|---|---|
|
2014-2018
|
Mazda
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3 (i Sport, i Touring, i Grand Touring, i SV, s Grand Touring, s Touring, Sport, Grand Touring)
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2.0L/2.5L L4
|
|
2014-2017
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Mazda
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6 (Sport, Touring, Grand Touring)
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2.5L L4
|
|
2013-2017
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Mazda
|
CX-5 (Sport, Touring, Grand Touring, Grand Select)
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2.0L/2.5L L4
|
Product Specifications
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Item
|
Specification
|
|---|---|
|
Core Part Number
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234-5059
Interchange: 2345059, PE01-18-8G1A, PE01188G1A, PEDD-18-8G1, PEDD188G1, PEDD-18-8G1, PEDD188G1 |
|
Position
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Exhaust System, Upstream (Pre-Catalytic Converter)
|
|
Key Parameters
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- Connector Gender: Male
- Sensor Type: Heated Oxygen Sensor (5-Wire = Wide-Band / AFR type) - Thread Diameter: 0.711 IN - Wire Quantity: 5 Wires - Wire Harness Length: 24.49 IN |
Package Content :
1PCS 234-5059 Upstream Oxygen Sensor