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Important: Verify connector shape and pins match your original part.
Downstream Lambda O2 Sensor
Fits Audi A4 TT & VW Passat Touareg
Replaces OE: 234-4809, 058906265C
Resolves Symptoms
- Check Engine Light (P0420/P0171)
- Rough Idle & Hesitation
- Poor Fuel Economy (MPG)
- Failed Emissions Inspection
Estimated Delivery
Free
Ordered
Oct 15
Prepared
Oct 15-Oct 16
Delivered
Oct 17-Oct 20
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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$33.95
-
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 Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
|---|---|---|---|
|
2001-2005
|
Audi
|
A4 Base Sedan
|
1.8L l4 (Turbo)
|
|
2001-2005
|
Audi
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A4 Quattro Base Sedan
|
1.8L l4 (Turbo)
|
|
2000-2005
|
Volkswagen
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Passat GLS Sedan
|
1.8L l4 (Turbo)
|
Product Specifications
Warranty & Support: 2 Years + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-4809
Interchange: 058906265C, 06A906262AJ, 0258006087, 0258006305, 16305, 81561, 77204, 7949, 058906265V, 06A 906 262F, 06C 906 265F, 021906262C, 022906262BH, 022906265B, 058906265B, 06A906262AG, 06A906262AH, 06A906262AK, 06A906262BA, 06A906262G, 06A906262N, 06A906262Q, 06C906265, 077906262B, 077906262G, 077906265AD, 07C906262AE, 07C906262M, 07D906262B, 07D906262E, 95560613620, SG890, SG1558, 234-4874 |
|
Position
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Exhaust System, Downstream (After Catalytic Converter)
|
|
Key Parameters
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- Type: Heated Lambda (Oxygen) Sensor
- Wire Configuration: 4-Wire - Thread Size: M18 - Placement: Rear/Lower, Downstream - Product Fit: Direct Fit |