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Important: Verify connector shape and pins match your original part.
Suitable for Downstream O2 Sensor Bank 1 for Mazda MPV 3.0L V6 (1996-1998) | 234-4142 15257
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Downstream O2 Sensor Bank 1

Fits Mazda MPV 3.0L V6 (1996-1998)
Replaces OE: 234-4142, 15257
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
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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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$34.95
  • 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
1998
Mazda
MPV ES
3.0L V6
1998
Mazda
MPV LX
3.0L V6
1997
Mazda
MPV ES
3.0L V6
1997
Mazda
MPV LX
3.0L V6
1996
Mazda
MPV DX
3.0L V6
1996
Mazda
MPV ES
3.0L V6
1996
Mazda
MPV LX
3.0L V6

Product Specifications

Warranty & Support: 2 Years + 24/7 Technical Support
Item
Specification
Core Part Number
234-4142
Interchange: 234 4142, 2344142, 15257, AJ5218861A, AJ5218861A9U, JE9618861A, JE9618861A9U
Position
Exhaust System, Downstream (Post-Catalytic Converter)
Key Parameters
- Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire
- Harness Length: 455 mm / 17.91 inches
- Connector Gender: Male
- Mounting Type: Threaded
- Thread Diameter: 0.708 inches

 

Package Content :

1Pcs 234-4142 Oxygen Sensor