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2-Piece Air Fuel Ratio & O2 Sensor
Fits Mazda 6 2.5L & 2.5L Turbo (2018-2021)
Replaces OE: 234-5733, 234-4939
Resolves Symptoms:
- Persistent Check Engine Light
- Rough Idle
- Poor Fuel Economy
- Lean Hesitation
Delivery
Free
Arrives: Sep 20 - Sep 23
Dispatched quickly from local US warehouses.
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 a screenshot of your review to support to claim.
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$62.95
-
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
|
|---|---|---|---|
|
2018-2020
|
Mazda
|
6
|
2.5L L4
|
|
2018-2021
|
Mazda
|
6
|
2.5L L4 (Turbo)
|
Product Specifications
Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-5733
Interchange: 2345733, 234 5733, PY8V-18-8G1, PY8V188G1, PY8V 18 8G1 |
|
Position
|
Exhaust System, Upstream, Front (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Wide-Band Oxygen Sensor
- Wire Configuration: 5-Wire - Wire Harness Length: 10.63 in - Grade Type: Regular - Fit Type: Specific |
|
Core Part Number
|
234-4939
Interchange: 2344939, 234 4939, PE12-18-86Z, PE121886Z, PE12 18 86Z |
|
Position
|
Exhaust System, Downstream, Rear (Post-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Narrow-Band Oxygen Sensor
- Wire Configuration: 4-Wire - Wire Harness Length: 26.77 in - Grade Type: Regular - Fit Type: Specific |
Package Content :
2PCS (1*234-5733 Upstream+1*234-4939 Downstream) Oxygen Sensor