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2Pcs Air Fuel Ratio & O2 Sensor
for Subaru Impreza Outback (06-11)
Replaces OE: 234-9123 234-4445
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
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.
$34.95
- No other fees; this is the final payment price
- Get rid of your car's malfunctions and start a pleasant driving journey
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
🚛 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
|
|---|---|---|---|
|
2006-2009
|
Subaru
|
Outback 2.5i
|
2.5L H4
|
|
2006-2009
|
Subaru
|
Legacy 2.5i (incl. Limited)
|
2.5L H4
|
|
2006-2010
|
Subaru
|
Forester X (incl. Limited)
|
2.5L H4
|
|
2006-2011
|
Subaru
|
Impreza Outback Sport
|
2.5L H4
|
|
2006-2011
|
Subaru
|
Impreza 2.5i
|
2.5L H4
|
|
2006
|
Saab
|
9-2X 2.5i
|
2.5L H4
|
Product Specifications
Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number (Upstream)
|
234-9123
Interchange: 22641-AA36A, 22641-AA360, 22641-AA180, 22641-AA370, 753718, 15171, 24696, 32010412 |
|
Position (Upstream)
|
Exhaust System, Upstream Sensor 1 (Front, Pre-Catalytic Converter)
|
|
Key Parameters (Upstream)
|
- Sensor Type: Heated
- Wires: 4-Wire - Wire Harness Length: 19.69 in - Performance: Improves fuel efficiency with stable and durable operation |
|
Item
|
Specification
|
|---|---|
|
Core Part Number (Downstream)
|
234-4445
Interchange: 22690-AA81A, 22690-AA810, 22690-AA93A, 32010413, 15170, 24642, OS5331, 213-2951 |
|
Position (Downstream)
|
Exhaust System, Downstream Sensor 2 (Rear, Post-Catalytic Converter)
|
|
Key Parameters (Downstream)
|
- Sensor Type: Heated
- Wires: 4-Wire - Connector: Male - Mounting: Threaded (M18 x 1.5) - Thread Diameter: 0.708 in - Wire Harness Length: 20.87 in |