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Important: Verify connector shape and pins match your original part.
Upstream Air Fuel Ratio Sensor
Fits Subaru Outback & Forester (2006-2011)
Replaces OE: 234-9123, 22641AA360
Resolves Symptoms
- Check Engine Light (P0420/P0171)
- Rough Idle & Hesitation
- Poor Fuel Economy (MPG)
- Failed Emissions Inspection
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
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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$49.95
-
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
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Year
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Make
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Model
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Engine/Displacement
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|---|---|---|---|
|
2006
|
Saab
|
9-2X 2.5i
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2.5L H4
|
|
2006-2009
|
Subaru
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Outback 2.5i
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2.5L H4
|
|
2006-2009
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Subaru
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Legacy 2.5i (Includes Limited, etc.)
|
2.5L H4
|
|
2006-2010
|
Subaru
|
Forester X (Includes Limited, etc.)
|
2.5L H4
|
|
2006-2011
|
Subaru
|
Impreza Outback Sport
|
2.5L H4
|
|
2006-2011
|
Subaru
|
Impreza 2.5i
|
2.5L H4
|
Product Specifications
Warranty & Support: 2-Year Warranty (Pre-sale Load Test + 24/7 Technical Support)
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Item
|
Specification
|
|---|---|
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Core Part Number
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234-9123
Interchange: 2349123, 22641-AA36A, 22641AA36A, 22641-AA360, 22641AA360, 22641-AA180, 22641AA180, 22641-AA370, 22641AA370, 753718, 753720, 15171, 15169, 24696, 32010412 |
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Position
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Upstream, Pre-Catalytic Converter
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Key Parameters
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- Type: Heated Oxygen Sensor (4-Wire)
- Wire Harness Length: 500 mm (19.69 in) - Connector Gender: Male - Thread Size: M18×1.5 (0.711 in / 18.06mm) |
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Key Features
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Improves fuel efficiency, stable performance, durable.
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