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Important: Verify connector shape and pins match your original part.
Upstream Air Fuel Ratio Sensor
Fits 2008–2012 Honda Accord / Acura TSX 2.4L
Replaces OE: 234-9091, 36531-R40-A01
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
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- Under $50 Orders: 3% Off Next Order
- $50+ Orders: 5% Direct Cashback
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$40.95
-
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 Compatibility
|
Year
|
Make
|
Model
|
Engine/Displacement
|
|---|---|---|---|
|
2009-2014
|
Acura
|
TSX (Base / Premium / Special Edition / Tech, etc.) Sedan
|
2.4L L4
|
|
2011-2014
|
Acura
|
TSX (Base) Wagon
|
2.4L L4
|
|
2008-2012
|
Honda
|
Accord (EX / EX-L / LX-S) Coupe
|
2.4L L4
|
|
2008
|
Honda
|
Accord (LX) Coupe
|
2.4L L4
|
|
2008-2012
|
Honda
|
Accord (EX / EX-L / LX / LX-P) Sedan
|
2.4L L4
|
|
2011-2012
|
Honda
|
Accord (SE) Sedan
|
2.4L L4
|
|
2010-2011
|
Honda
|
CR‑V (EX / EX‑L / LX)
|
2.4L L4
|
|
2011
|
Honda
|
CR‑V (SE)
|
2.4L L4
|
Product Specifications
Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-9091
Interchange: 2349091, 234 9091, 36531-R40-A01, 36531R40A01, 36531 R40 A01, 211200-2758, 2112002758, 211200 2758, 211200-2750, 25680, 250-54038, SU11740, 5S10287 |
|
Position
|
Exhaust System, Upstream (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Quantity: 4 Wires - Wire Harness Length: 13.78 IN / 350 mm - Grade Type: Regular - Fit Type: Specific |
Package content : 1Pcs 234-9091 Oxygen Sensor