2-Piece Air Fuel Ratio & O2 Sensor
- Check Engine Light (P0420/P0171)
- Rough Idle & Hesitation
- Poor Fuel Economy (MPG)
- Failed Emissions Inspection
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.
-
No hidden fees: What you see is what you pay.
-
Restore performance: Fix issues and drive with confidence.
Check Engine Light? Find Your Symptoms
- P0134No Activity Detected
- P0135Heater Circuit Malfunction
- P0137/38Circuit Low/High Voltage
- P2195Signal Stuck Lean
- P0030/31Heater Control Circuit
- P0171/74System Too Lean
- P0172System Too Rich
- P2096Post-Catalyst Trim Too Lean
- P0087Fuel Rail Pressure Low
- P0201-04Injector Circuit Open
- P0420Efficiency Below Threshold (B1)
- P0430Efficiency Below Threshold (B2)
- P0300Random Misfire
- P0301-06Cylinder-Specific Misfire
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
|---|---|---|---|
|
2002
|
Subaru
|
Impreza WRX Sedan
|
2.0L H4 (Turbo)
|
|
2002
|
Subaru
|
Impreza WRX Wagon
|
2.0L H4 (Turbo)
|
Product Specifications
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-9011
Interchange: 2349011, 234 9011, 22641-AA042, 22641AA042, 22641-AA090, 22641AA090, 3200597 |
|
Position
|
Exhaust System, Upstream Bank (Pre-Catalytic Converter, Front Left)
|
|
Key Parameters
|
- Connector Gender: Male
- Sensor Type: Heated Oxygen Sensor - Thread Diameter: 0.711 IN - Wire Quantity: 4 Wires - Wiring Harness Length: 31.50 IN - Fit Type: Specific |
|
Core Part Number
|
234-4446
Interchange: 2344446, 22690-AA500, 22690AA500, 22690-AA501, 22690AA501, 22690AA53B, 22690AA69A, 24642, 250-24440, ES20219, KN4-310, SG1083, SG2024, 15025, 2132951 |
|
Position
|
Exhaust System, Downstream Bank (Post-Catalytic Converter, Rear Left)
|
|
Key Parameters
|
- Connector Gender: Male
- Mounting Type: Threaded - Sensor Type: Heated Oxygen Sensor - Thread Diameter: 0.708 IN - Wire Quantity: 4 Wires - Wiring Harness Length: 27.17 IN - Fit Type: Specific |
Package Content :
2PCS (1*234-9011 Upstream+1*234-4446 Downstream) O2 Sensor