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Important: Verify connector shape and pins match your original part.
4Pcs Air Fuel Ratio & O2 Sensor Set for Nissan 370Z & Infiniti Q50 3.7L (2015-2020) | 234-9148 234-4535
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4-Piece Air Fuel Ratio & O2 Sensor Set

Fits Nissan 370Z & Infiniti Q50 3.7L (2015-2020)
Replaces OE: 234-9148, 234-4535
Resolves Symptoms
  • Check Engine Light (P0420/P0171)
  • Rough Idle & Hesitation
  • Poor Fuel Economy (MPG)
  • Failed Emissions Inspection
Estimated Delivery Free
Ordered
Nov 12
Prepared
Nov 12-Nov 13
Delivered
Nov 26-Dec 4
Requires overseas shipment. Upgrade to expedited shipping at checkout if urgent.
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
+
  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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$92.95
  • 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
2015
Infiniti
Q40
3.7L V6
2014-2015
Infiniti
Q50
3.7L V6
2015
Infiniti
Q60
3.7L V6
2014-2019
Infiniti
Q70
3.7L V6
2015-2019
Infiniti
Q70L
3.7L V6
2015-2017
Infiniti
QX50
3.7L V6
2015
Infiniti
QX70
3.7L V6
2015-2020
Nissan
370Z
3.7L V6

 

Product Specifications

Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
Item
Specification
Core Part Number 
234-9148
Interchange: 2349148, 22693-1PM0A, 226931PM0A, 22693-9HP0A, 226939HP0A, 21150-07610, 2115007610
Position 
Exhaust System, Upstream (Front, Pre-Catalytic Converter)
Key Parameters 
- Sensor Type: Heated Oxygen Sensor
- Wire Count: 4-Wire
- Connector: Male
- Thread Diameter: 0.708 in (M18 x 1.5)
- Wiring Harness Length: 15.04 in
Item
Specification
Core Part Number 
234-4535
Interchange:  2344535, 234 4535, 226A0-1KC0A, 226A01KC0A, 226A0 1KC0A
Position
Exhaust System, Downstream (Rear, Post-Catalytic Converter)
Key Parameters 
- Sensor Type: Heated Oxygen Sensor
- Wire Count: 4-Wire
- Connector: Female
- Mounting Type: Threaded
- Thread Diameter: 0.708 in (M18 x 1.5)
- Wiring Harness Length: 14.76 in

 

Package Content :

4PCS (2*234-9148 Upstream+2*234-4535 Downstream) O2 Sensor