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Important: Verify connector shape and pins match your original part.
Suitable for Upstream O2 Sensor for Chevy Camaro Impala Malibu 2.5L (13-19) | 234-4763, 12627139
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Upstream O2 Sensor

Fits Chevy Camaro Impala Malibu 2.5L (13-19)
Replaces OE: 234-4763, 12627139
Resolves Symptoms
  • Check Engine Light (P0420/P0171)
  • Rough Idle & Hesitation
  • Poor Fuel Economy (MPG)
  • Failed Emissions Inspection
Estimated Delivery Free
Ordered
Oct 30
Prepared
Oct 30-Oct 31
Delivered
Nov 13-Nov 21
Requires overseas shipment. Upgrade to expedited shipping at checkout if urgent.
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
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  1. Check OE: Find original part no. & plug.
  2. Compare Photos: Match plug with our images.
  3. Verify YMM: Confirm via fitment tool.
  4. Review Specs: Check pins & dimensions.
  5. 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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$33.95
  • No hidden fees: What you see is what you pay.
  • Restore performance: Fix issues and drive with confidence.
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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

Automotive-Leader Sensors

Vehicle Compatible

Year
Make
Model
Engine/Displacement
2014-2017
Buick
Regal (Base)
2.0L L4 (Turbo)
2013-2015
Chevrolet
Malibu (LS)
2.5L L4
2013-2015
Chevrolet
Malibu (LT)
2.0L L4 (Turbo)
2014-2015
Chevrolet
Impala (LS)
2.5L L4
2015-2019
Chevrolet
Colorado (Base)
2.5L L4
2016
Chevrolet
Malibu Limited (LS)
2.5L L4
2016-2019
Chevrolet
Impala (LS)
2.5L L4 (FLEX)
2015-2019
GMC
Canyon (Base)
2.5L L4

Product Specifications

Warranty & Support: 2 Years + 24/7 Technical Support
Item
Specification
Core Part Number
234-4763
Interchange: 12627139, 12645561, 12655677, 2344763, 12643707, 12666673, 55569902
Position
Exhaust System, Upstream (Pre-Catalytic Converter)
Key Parameters
- Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire
- Harness Length: 15.04 inches
- Connector Gender: Male
- Mounting Type: Threaded
- Thread Diameter: 0.708 inches
- Note: Measurement tolerance ±1-3mm

 

Package Content : 1Pcs 234-4763 Oxygen Sensor