4-Piece 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
Share an install photo & review to unlock:
- Under $50 Orders: 3% Off Next Order
- $50+ Orders: 5% Direct Cashback
*Email screenshot of your review to support to claim.
-
No hidden fees: What you see is what you pay.
-
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
!!!
Out of stock in local warehouse
Requires shipment from overseas warehouse
Longer shipping time
Please do not place orders if this is a concern
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine
|
|---|---|---|---|
|
2013-2016
|
Hyundai
|
Genesis Coupe
|
3.8L V6
|
Product Specifications
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
1. Upstream Sensor 1: 234-4456
2. Upstream Sensor 2: 234-4458 3. Downstream Sensor: 234-4571 |
|
Position
|
Upstream: Front, Pre-Catalytic Converter (234-4456, 234-4458)
Downstream: Rear, Post-Catalytic Converter (234-4571) |
|
Key Parameters
|
- Sensor Type: Heated (All Sensors)
- Wire Quantity: 4 Wires (All Sensors) - Wire Harness Length: • 234-4456: 11.61 IN • 234-4571: 18.74 IN • 234-4458: 12.60 IN |
|
Interchange Part Numbers
|
For 234-4456: 392103C530, 39210-3CBA0, 39210-3CBB0, OS6057, OS6209
For 234-4458: 39210-3C550, 392103CAA0, 392103CCC0, OS6060, 18044 For 234-4571: 392103C540, 39210-3CCB0, 18089 |