Skip to product information
Important: Verify connector shape and pins match your original part.
4-Piece Air Fuel Ratio & O2 Sensor Set
Fits Toyota Sienna 3.3L V6 (2004-2006)
Replaces OE: 234-9042, 234-9012, 234-4168, 234-4516
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.
Check if your car is compatible
This helps guarantee fitment of parts.
⏳ Loading fitment data...
$75.95
-
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
|
|---|---|---|---|
|
2004-2006
|
Toyota
|
Sienna CE Cargo Van
|
3.3L V6
|
|
2004-2006
|
Toyota
|
Sienna CE Passenger Van
|
3.3L V6
|
|
2004-2006
|
Toyota
|
Sienna CE Passenger Van
|
3.3L V6
|
|
2004-2006
|
Toyota
|
Sienna LE Passenger Van
|
3.3L V6
|
|
2004-2006
|
Toyota
|
Sienna LE Passenger Van
|
3.3L V6
|
|
2006
|
Toyota
|
Sienna Limited Passenger Van
|
3.3L V6
|
|
2004-2006
|
Toyota
|
Sienna XLE Passenger Van
|
3.3L V6
|
|
2004-2005
|
Toyota
|
Sienna XLE Limited Passenger Van
|
3.3L V6
|
|
2004-2005
|
Toyota
|
Sienna XLE Limited Passenger Van
|
3.3L V6
|
|
2004
|
Toyota
|
Sienna XLE Passenger Van
|
3.3L V6
|
Product Specifications
Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-9042
Interchange: 2349042, 234 9042, 89467-06040, 89467-0E030, 89467-33050, 89467-48060 |
|
Position
|
Exhaust System, Upstream Left Bank 2 Sensor 1 (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Male - Wire Harness Length: 11.93 IN - Thread Diameter: 0.711 IN |
|
Core Part Number
|
234-9012
Interchange: 2349012, 234 9012, 89467 08040, 8946708040, 89467-08020, 8946708020, 89467 08020 |
|
Position
|
Exhaust System, Upstream Right Bank 1 Sensor 1 (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Male - Wire Harness Length: 7.09 IN - Thread Diameter: 0.711 IN |
|
Core Part Number
|
234-4168
Interchange: 2344168, 234 4168, 89465-48170, 8946548170, 89465 48170 |
|
Position
|
Exhaust System, Downstream Left Bank 2 Sensor 2 (Post-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Male - Wire Harness Length: 13.78 IN - Thread Diameter: 0.708 IN - Mounting Type: Threaded |
|
Core Part Number
|
234-4516
Interchange: 89465-08070, SU6987, 15620, 15677, ES20180, 75-3944, 24687, SG1658, 2133874 |
|
Position
|
Exhaust System, Downstream Right Bank 1 Sensor 2 (Post-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Female - Wire Harness Length: 15.75 IN - Thread Diameter: 0.708 IN - Mounting Type: Threaded |
Package Content :
4PCS (1*234-9042 Upstream Left+1*234-9012 Upstream Right+1*234-4168 Downstream Left+1*234-4516 DownstreamRight) Oxygen Senso