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5-Wire Air Fuel Ratio Oxygen Sensor AFR Sensor Upstream Sensor 1 Replacement for Mazda 2 1.5L 2012 Mazda 5 2.5L 2012-2015 L5E2-18-8G1 234-5077
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5-Wire Air Fuel Ratio Oxygen Sensor AFR Sensor Upstream Sensor 1 Replacement for Mazda 2 1.5L 2012 Mazda 5 2.5L 2012-2015 L5E2-18-8G1 234-5077

Check if your car is compatible This helps guarantee fitment of parts.
Delivery Free
Sep 7 - Sep 10 +
🚚 Fast US Local: Dispatched quickly from our local US warehouses for swift delivery.
2-Year Warranty
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🛡️ Quality Coverage: Protects against any manufacturing defects for 2 full years.
🔄 Free Replacement: We will provide a brand-new replacement for free if any quality issues occur.
30-Day Return & Refund
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📦 Free Returns & Exchanges: Zero costs to you if the product has any quality issues.
💰 Full Refunds: 100% money-back guarantee within 30 days for defective items.
Review Rewards & Cashback
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🥈 Under $50
3% Off Next Order
🥇 $50+ Orders
5% Direct Cashback
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💡 How to claim: Email a screenshot of your review to our support team.

$60.95
  • No other fees; this is the final payment price
  • Get rid of your car's malfunctions and start a pleasant driving journey
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If problem with product: Free Returns & Refunds
Check Engine Light? Find Your Symptoms
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🌬️ 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
🚛 NOx Sensors & SCR
  • P2200/02Sensor Circuit / Signal Low
  • P229FCircuit Range/Performance
  • P207FReductant Quality Perf.
  • 46F2/4D16BMW SCR Efficiency Faults
🛑 ABS & Wheel Speed
  • C1021Front Wheel Speed Sensor
  • C1025Sensor Signal Erratic
  • C1207ABS Pump Overrun
  • C0561System Disabled

Automotive-Leader Sensors

Vehicle Compatible

Year
Make
Model
Engine/Displacement
Note
2012
Mazda
2 Sport
1.5L L4
GAS
2012
Mazda
2 Touring
1.5L L4
GAS
2012-2015
Mazda
5 Grand Touring
2.5L L4
GAS
2012-2015
Mazda
5 Sport
2.5L L4
GAS
2012-2015
Mazda
5 Touring
2.5L L4
GAS

Product Specifications

Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
Item
Specification
Core Part Number
234-5077
Interchange: 24396, 2345077, 250-25085, L5E2-18-8G1
Position
Exhaust System, Upstream, Front of Catalytic Converter (Upper)
Key Parameters
- Type: Heated Air-Fuel Ratio (AFR) Oxygen Sensor
- Wire Quantity: 5 Wire Leads
- Wiring Harness Length: 12.83" (325.9 mm)
- Thread Diameter: 0.71" (18 mm)
- Connector Gender: Male & Female
- Fitment Type: Direct Fit