Upstream Lambda 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
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- Under $50 Orders: 3% Off Next Order
- $50+ Orders: 5% Direct Cashback
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-
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
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
Note
|
|---|---|---|---|---|
|
2009-2011
|
BMW
|
5 (F10) 523i
|
2.5L L6
|
N52 B25 A, N52 B25 AF, N52 B25 B, N52 B25 BF, 2497CC, 150kW, Saloon
|
|
2009-2011
|
BMW
|
5 (F10) 528i
|
3.0L L6
|
N53 B30 A, 2996CC, 190kW, Saloon
|
|
2009-2013
|
BMW
|
5 (F10) 530i
|
3.0L L6
|
N52 B30 A, N52 B30 AF, N52 B30 BF, 2996CC, 190kW, Saloon
|
|
2009-2011
|
BMW
|
5 Touring (F11) 523i
|
2.5L L6
|
N52 B25 A, N52 B25 AF, N52 B25 B, 2497CC, 150kW, Estate
|
|
2010-2013
|
BMW
|
5 Touring (F11) 530i
|
3.0L L6
|
N52 B30 A, N52 B30 AF, 2996CC, 190kW, Estate
|
|
2008-2015
|
BMW
|
7 (F01, F02, F03, F04) 730i, Li
|
3.0L L6
|
N52 B30 A, N52 B30 BF, 2996CC, 190kW, Saloon
|
|
2011-2012
|
BMW
|
X3 (F25) xDrive 28i
|
3.0L L6
|
N52 B30 A, N52 B30 AF, N52 B30 BF, 2996CC, 190kW, Closed Off-Road Vehicle
|
Product Specifications
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-5027
Interchange: 2345027, 11787557758, 11787586693, 11787589139 |
|
Position
|
Exhaust System, Upstream Left, Front, Upper, Pre-cat
|
|
Key Parameters
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- Sensor Type: Heated Wide-Band Air/Fuel Ratio
- Wire Quantity: 5 Wires - Wiring Harness Length: 43.31 IN - Connector Gender: Male - Thread Diameter: 0.711 IN - Grade Type: Regular - Universal Or Specific Fit: Specific |
Package Content : 1Pcs 234-5027 (5-wire oxygen sensor)