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Important: Verify connector shape and pins match your original part.
Upstream Air Fuel Ratio Sensor
Fits Subaru Impreza WRX Forester 2.5L (2010-2014)
Replaces OE: 234-9108, 22641-AA590
Resolves Symptoms
- Check Engine Light (P0420/P0171)
- Rough Idle & Hesitation
- Poor Fuel Economy (MPG)
- Failed Emissions Inspection
Estimated Delivery
Free
Ordered
Oct 30
Prepared
Oct 30-Oct 31
Delivered
Nov 1-Nov 4
Dispatched quickly from local CA 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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$42.95
-
No hidden fees: What you see is what you pay.
-
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
|
Note
|
|---|---|---|---|---|
|
2010
|
Subaru
|
Forester XT Limited
|
2.5L H4
|
GAS, Turbocharged
|
|
2010
|
Subaru
|
Forester XT Premium
|
2.5L H4
|
GAS, Turbocharged
|
|
2011
|
Subaru
|
Forester X
|
2.5L H4
|
GAS, Turbocharged
|
|
2011
|
Subaru
|
Forester X Limited
|
2.5L H4
|
GAS, Turbocharged
|
|
2011
|
Subaru
|
Forester X Premium
|
2.5L H4
|
GAS, Turbocharged
|
|
2011
|
Subaru
|
Forester X Touring
|
2.5L H4
|
GAS, Turbocharged
|
|
2011
|
Subaru
|
Forester XT Premium
|
2.5L H4
|
GAS, Turbocharged
|
|
2011
|
Subaru
|
Forester XT Touring
|
2.5L H4
|
GAS, Turbocharged
|
|
2012
|
Subaru
|
Forester X
|
2.5L H4
|
GAS, Turbocharged
|
|
2012
|
Subaru
|
Forester X Limited
|
2.5L H4
|
GAS, Turbocharged
|
|
2012
|
Subaru
|
Forester X Premium
|
2.5L H4
|
GAS, Turbocharged
|
|
2012
|
Subaru
|
Forester X Touring
|
2.5L H4
|
GAS, Turbocharged
|
|
2012
|
Subaru
|
Forester XT Premium
|
2.5L H4
|
GAS, Turbocharged
|
|
2012
|
Subaru
|
Forester XT Touring
|
2.5L H4
|
GAS, Turbocharged
|
|
2013
|
Subaru
|
Forester X
|
2.5L H4
|
GAS, Turbocharged
|
|
2013
|
Subaru
|
Forester X Limited
|
2.5L H4
|
GAS, Turbocharged
|
|
2013
|
Subaru
|
Forester X Premium
|
2.5L H4
|
GAS, Turbocharged
|
|
2013
|
Subaru
|
Forester X Touring
|
2.5L H4
|
GAS, Turbocharged
|
|
2013
|
Subaru
|
Forester XT Premium
|
2.5L H4
|
GAS, Turbocharged
|
|
2013
|
Subaru
|
Forester XT Touring
|
2.5L H4
|
GAS, Turbocharged
|
|
2011
|
Subaru
|
Impreza WRX
|
2.5L H4
|
GAS, Turbocharged
|
|
2011
|
Subaru
|
Impreza WRX Limited
|
2.5L H4
|
GAS, Turbocharged
|
|
2011
|
Subaru
|
Impreza WRX Premium
|
2.5L H4
|
GAS, Turbocharged
|
|
2012
|
Subaru
|
Impreza WRX
|
2.5L H4
|
GAS, Turbocharged
|
|
2012
|
Subaru
|
Impreza WRX Limited
|
2.5L H4
|
GAS, Turbocharged
|
|
2012
|
Subaru
|
Impreza WRX Premium
|
2.5L H4
|
GAS, Turbocharged
|
|
2013
|
Subaru
|
Impreza WRX
|
2.5L H4
|
GAS, Turbocharged
|
|
2013
|
Subaru
|
Impreza WRX Limited
|
2.5L H4
|
GAS, Turbocharged
|
|
2013
|
Subaru
|
Impreza WRX Premium
|
2.5L H4
|
GAS, Turbocharged
|
|
2014
|
Subaru
|
Impreza WRX
|
2.5L H4
|
GAS, Turbocharged
|
|
2014
|
Subaru
|
Impreza WRX Limited
|
2.5L H4
|
GAS, Turbocharged
|
|
2014
|
Subaru
|
Impreza WRX Premium
|
2.5L H4
|
GAS, Turbocharged
|
Product Specifications
Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-9108
Interchange: 234 9108, 2349108, 22641-AA590, 22641 AA590, 22641AA590 |
|
Position
|
Exhaust System, Upstream, Front, Pre-Catalytic Converter
|
|
Key Parameters
|
- Type: Heated Oxygen Sensor
- Wire Quantity: 4 Wires - Wire Harness Length: 10.63 IN - Fitment Type: Specific Fit - Grade Type: Regular |
Package Content : 1Pcs 234-9108 Oxygen Sensor