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2Pcs Air Fuel Ratio & O2 Sensor
for Subaru Forester Impreza Outback 2.5L (03-04)
Replaces OE: 234-9015 234-4706
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
Aug 12 - Aug 20
! Overseas Shipment: Requires shipment from overseas warehouse. Longer shipping time. Please consider this before ordering.
⚡ Need it urgently? Upgrade to By requesting expedited delivery in the order notes, you can significantly shorten the delivery time!
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.
$75.95
- 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
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Out of stock in local warehouse
Requires shipment from overseas warehouse
Longer shipping time
Please do not place orders if this is a concern
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
|---|---|---|---|
|
2003-2006
|
Subaru
|
Baja Sport
|
2.5L H4
|
|
2003
|
Subaru
|
Baja Base
|
2.5L H4
|
|
2003-2004
|
Subaru
|
Forester X, XS
|
2.5L H4
|
|
2004
|
Subaru
|
Forester XT
|
2.5L H4 (Turbo)
|
|
2003-2004
|
Subaru
|
Impreza TS, Outback
|
2.5L H4
|
|
2003-2004
|
Subaru
|
Impreza RS
|
2.5L H4
|
|
2004
|
Subaru
|
Impreza WRX STI
|
2.5L H4 (Turbo)
|
|
2003
|
Subaru
|
Legacy L SE
|
2.5L H4
|
|
2003-2004
|
Subaru
|
Legacy GT
|
2.5L H4
|
|
2004
|
Subaru
|
Legacy L 35th Anniversary
|
2.5L H4
|
|
2003-2004
|
Subaru
|
Legacy L
|
2.5L H4
|
|
2003-2004
|
Subaru
|
Outback Base
|
2.5L H4
|
|
2003-2004
|
Subaru
|
Outback Limited
|
2.5L H4
|
Product Specifications
Warranty & Support: 2 Years + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-9015
Interchange: 2349015, 22641-AA280, 22641-AA230, 22641-AA140, 5S5632, ES10936, 753250, 15501, 213-2850, 2132850 |
|
Position
|
Exhaust System, Upstream (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Female - Wiring Harness Length: 20.47 In. - Thread Diameter: 0.711 In. - Mounting Type: Threaded |
|
Core Part Number
|
234-4706
Interchange: 2344706, 22690-AA420, 22690-AA540, 2133118, AP4145, 22690-AA640, 24578, ES20101, ES10626, ES2010111B1, 13469, 15336, 752171, 752582, OS1950, KN4145, SG1199 |
|
Position
|
Exhaust System, Downstream (Post-Catalytic Converter)
|
|
Key Parameters
|
- Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Female - Wiring Harness Length: 17.72 In. - Thread Diameter: 0.708 In. - Mounting Type: Threaded |
Package Content : 2PCS (1*234-9015 Upstream+1*234-4706 Downstream) Oxygen Sensor