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Downstream Lambda O2 Sensor for Audi A4 TT & VW Passat Touareg | 234-4809 058906265C
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Downstream Lambda O2 Sensor

for Audi A4 TT & VW Passat Touareg
Replaces OE: 234-4809 058906265C
Resolves Symptoms:
Persistent Check Engine Light
Rough Idle
Poor Fuel Economy
Lean Hesitation
Check if your car is compatible This helps guarantee fitment of parts.
Delivery Free
Jul 31 - Aug 3 +
🚚 Fast US Local: Dispatched quickly from our local US warehouses for swift delivery.
2-Year Warranty
+
🛡️ Quality Coverage: Protects against any manufacturing defects for 2 full years.
🔄 Free Replacement: We will provide a brand-new replacement for free if any quality issues occur.
60-Day Return & Refund
+
📦 Free Returns & Exchanges: Zero costs to you if the product has any quality issues.
💰 Full Refunds: 100% money-back guarantee within 60 days for defective items.
Review Rewards & Cashback
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Share an install photo & review to unlock tier rewards:

🥈 Under $50
3% Off Next Order
🥇 $50+ Orders
5% Direct Cashback
🔥 Tip: Buy a Combo Set to easily hit $50 and unlock 5% Cashback!

💡 How to claim: Email a screenshot of your review to our support team.

$27.95
  • No other fees; this is the final payment price
  • Get rid of your car's malfunctions and start a pleasant driving journey
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If problem with product: Free Returns & Refunds
Check Engine Light? Find Your Symptoms
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🌬️ 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
🚛 NOx Sensors & SCR
  • P2200/02Sensor Circuit / Signal Low
  • P229FCircuit Range/Performance
  • P207FReductant Quality Perf.
  • 46F2/4D16BMW SCR Efficiency Faults
🛑 ABS & Wheel Speed
  • C1021Front Wheel Speed Sensor
  • C1025Sensor Signal Erratic
  • C1207ABS Pump Overrun
  • C0561System Disabled

Automotive-Leader Sensors

Vehicle Compatible

Year
Make
Model
Engine/Displacement
2001-2005
Audi
A4 Base Sedan
1.8L l4 (Turbo)
2001-2005
Audi
A4 Quattro Base Sedan
1.8L l4 (Turbo)
2000-2005
Volkswagen
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
Exhaust System, Downstream (After Catalytic Converter)
Key Parameters
- Type: Heated Lambda (Oxygen) Sensor
- Wire Configuration: 4-Wire
- Thread Size: M18
- Placement: Rear/Lower, Downstream
- Product Fit: Direct Fit