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Important: Verify connector shape and pins match your original part.
NOx Nitrogen Oxide Sensor
Fits Mercedes W205 W212 Diesel BlueTEC
Replaces OE: A0009052909, A0009059803
Resolves Symptoms
- Check Engine Light (SCR/DEF)
- DEF / AdBlue Warning Msg
- Engine Limp Mode Warning
- DPF Regen Refusal
Estimated Delivery
Free
Ordered
Nov 11
Prepared
Nov 11-Nov 12
Delivered
Nov 25-Dec 3
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
- 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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$123.95
Kind tips: All prices displayed and final checkout are processed in USD
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No hidden fees: What you see is what you pay.
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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 Brand Products
Vehicle Compatible
Product Specifications
Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
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Item
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Specification
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Core Part Number
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A0009052909
Interchange: A0009059803, A 0009059803, A 000 905 98 03, A0009050208, A 0009050208, A 000 905 02 08, A0009052909, A 0009052909, A 000 905 29 09, A0009058611, A 0009058611, A 000 905 86 11 |
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Position
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Exhaust System, NOx Sensor (SCR System)
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Key Parameters
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- Sensor Type: NOx (Nitrogen Oxide) Sensor
- Measurement Accuracy: ±1% O2 - Mounting Type: Surface Mount - Output Type: Electrical Signal |