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2-Piece Air Fuel Ratio & O2 Sensor
Fits Mercedes CLA250 GLA250 & Infiniti QX30 2.0L Turbo
Replaces OE: 234-5158, 234-4839
Resolves Symptoms
- Check Engine Light (P0420/P0171)
- Rough Idle & Hesitation
- Poor Fuel Economy (MPG)
- Failed Emissions Inspection
Estimated Delivery
Free
Ordered
Sep 23
Prepared
Sep 23-Sep 24
Delivered
Sep 25-Sep 28
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 screenshot of your review to support to claim.
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$65.95
-
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
|
|---|---|---|---|
|
2017-2019
|
Infiniti
|
QX30
|
2.0L L4 (Turbo)
|
|
2013-2019
|
Mercedes-Benz
|
B250
|
2.0L L4 (Turbo)
|
|
2014-2019
|
Mercedes-Benz
|
CLA250
|
2.0L L4 (Turbo)
|
|
2014-2019
|
Mercedes-Benz
|
CLA45 AMG
|
2.0L L4 (Turbo)
|
|
2015-2019
|
Mercedes-Benz
|
GLA250
|
2.0L L4 (Turbo)
|
|
2015-2019
|
Mercedes-Benz
|
GLA45 AMG
|
2.0L L4 (Turbo)
|
|
2016-2020
|
Mercedes-Benz
|
Metris
|
2.0L L4 (Turbo)
|
Product Specifications
Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-5158
Interchange: 2345158, 0085422918, 0095425518, 0095425618, 009542561864, 0095425918, 0095426018, 0095426318, 226935DC0A, 22693HG00C |
|
Position
|
Exhaust System, Upstream (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Connector Gender: Male
- Sensor Type: Heated Wide-Band Oxygen Sensor - Thread Diameter: 0.711 IN - Wire Quantity: 5 Wires - Wiring Harness Length: 21.46 IN - Grade Type: Regular - Fit Type: Specific |
|
Core Part Number
|
234-4839
Interchange: 2344839, 234 4839, 0075426318, 007542631865, 226A05DD0A |
|
Position
|
Exhaust System, Downstream (Post-Catalytic Converter)
|
|
Key Parameters
|
- Connector Gender: Female
- Mounting Type: Threaded - Sensor Type: Heated Narrow-Band Oxygen Sensor - Thread Diameter: 0.708 IN - Wire Harness Length: 12.44 IN - Wire Quantity: 4 Wires - Grade Type: Regular - Fit Type: Specific |
Package Content :
2PCS (1*234-5158 Upstream+1*234-4839 Downstream) Oxygen Sensor