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Important: Verify connector shape and pins match your original part.
4Pcs O2 Sensor Set for Toyota Tacoma 3.5L V6 (2016-2022 Auto Trans)| 234-9140 234-8001 234-8005
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4-Piece O2 Sensor Set

Fits Toyota Tacoma 3.5L V6 (2016-2022 Auto Trans)
Replaces OE: 234-9140, 234-8001, 234-8005
Resolves Symptoms
  • Check Engine Light (P0420/P0171)
  • Rough Idle & Hesitation
  • Poor Fuel Economy (MPG)
  • Failed Emissions Inspection
Estimated Delivery Free
Ordered
Oct 15
Prepared
Oct 15-Oct 16
Delivered
Oct 17-Oct 20
Dispatched quickly from local US 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
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  1. Check OE: Find original part no. & plug.
  2. Compare Photos: Match plug with our images.
  3. Verify YMM: Confirm via fitment tool.
  4. Review Specs: Check pins & dimensions.
  5. Purchase: Buy confidently once matched!
Review Rewards
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Share an install photo & review to unlock:

  • Under $50 Orders: 3% Off Next Order
  • $50+ Orders: 5% Direct Cashback

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$88.95
  • No hidden fees: What you see is what you pay.
  • Restore performance: Fix issues and drive with confidence.
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If problem with product: Free Returns & Refunds
Check Engine Light? Find Your Symptoms
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🌬️ 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
Note
2016-2022
Toyota
Tacoma
3.5L V6
Automatic trans.

Product Specifications

Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
Item
Specification
Core Part Number
234-9140
Interchange: 2349140, 8946702090, 8946704120, 8946704130, 8946706230
Position
Exhaust System, Upstream, Front, Pre-cat
Key Parameters
- Sensor Type: Heated Oxygen Sensor
- Wire Quantity: 4 Wires
- Wiring Harness Length: 13.46 IN
- Connector Gender: Male
- Mounting Type: Threaded
Core Part Number
234-8001
Interchange: 2348001, 8946504430, 8946504460, 89465-04430, 89465-04460
Position
Exhaust System, Downstream, Rear, Post-cat
Key Parameters
- Sensor Type: Heated Oxygen Sensor
- Wire Quantity: 4 Wires
- Wiring Harness Length: 14.76 IN
- Connector Gender: Male
- Mounting Type: Threaded
- Thread Diameter: 0.709 IN
Core Part Number
234-8005
Interchange: 2348005, 8946504420, 89465-04420, 24848, 24811
Position
Exhaust System, Downstream, Rear, Post-cat
Key Parameters
- Sensor Type: Heated Oxygen Sensor
- Wire Quantity: 4 Wires
- Wiring Harness Length: 9.25 IN
- Connector Gender: Male
- Mounting Type: Threaded
- Thread Diameter: 0.709 IN

Packaging 4Pcs Oxygen Sensor:
234-9140 (4-Wire Oxygen Sensor)  x2   Upstream Right + Upstream Left
234-8001 (4-Wire Oxygen Sensor)  x1   Downstream Right
234-8005 (4-Wire Oxygen Sensor)  x1   Downstream Left