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Important: Verify connector shape and pins match your original part.
2-Piece Air Fuel Ratio & O2 Sensor
Fits Subaru Forester Impreza 2.5L (10-14)
Replaces OE: 234-9108, 234-4195
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 13-Nov 21
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
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- Under $50 Orders: 3% Off Next Order
- $50+ Orders: 5% Direct Cashback
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$42.95
High demand: Purchased yesterday
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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
|
|---|---|---|---|
|
2011-2013
|
Subaru
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Forester
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2.5L H4
|
|
2010-2014
|
Subaru
|
Impreza
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2.5L H4
|
Product Specifications
Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
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|---|---|
|
Core Part Number
|
234-9108
Interchange: 2349108, 234 9108, 22641-AA590, 22641AA590, 22641 AA590, F00E263201, DOX0365 |
|
Position
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Exhaust System, Upstream (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Wide-Band Oxygen Sensor (AFR)
- Wire Quantity: 4 Wires - Wire Gauge Measurement: 20 AWG - Thread Diameter: 12.0 mm (≈0.708 IN / M18 x 1.5) - Wiring Harness Length: 10.63 IN - Overall Length: 29.65 IN - Fit Type: Specific |
|
Core Part Number
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234-4195
Interchange: 2344195, 234 4195, 22690-AA900, 22690AA900, 22690-AB06A, 22690-AA68A, 22690AA68A, 24651, SU11443, LS140565, 5S9990 |
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Position
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Exhaust System, Downstream (Post-Catalytic Converter)
|
|
Key Parameters
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- Connector Gender: Male
- Mounting Type: Threaded - Sensor Type: Heated Narrow-Band Oxygen Sensor - Thread Diameter: 0.708 IN (≈12.0 mm / M18 x 1.5) - Wire Quantity: 4 Wires - Wiring Harness Length: 14.88 IN - Overall Length: 29.65 IN - Fit Type: Specific |
Package Content :
2PCS (1*234-9108 Upstream+1*234-4195 Downstream) Oxygen Sensor