Skip to product information
Important: Verify connector shape and pins match your original part.
Upstream O2 Sensor for Mazda 3 6 CX-5 2.0L 2.5L (2013-2018) | 234-5059
1/8

Upstream O2 Sensor

Fits Mazda 3 6 CX-5 2.0L 2.5L (2013-2018)
Replaces OE: 234-5059
Resolves Symptoms
  • Check Engine Light (P0420/P0171)
  • Rough Idle & Hesitation
  • Poor Fuel Economy (MPG)
  • Failed Emissions Inspection
Estimated Delivery Free
Ordered
Nov 13
Prepared
Nov 13-Nov 14
Delivered
Nov 27-Dec 5
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
+

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...
$51.95
  • No hidden fees: What you see is what you pay.
  • Restore performance: Fix issues and drive with confidence.
  • Visa
  • Mastercard
  • American Express
  • Discover
  • JCB
  • PayPal
If problem with product: Free Returns & Refunds
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
2014-2018
Mazda
3 (i Sport, i Touring, i Grand Touring, i SV, s Grand Touring, s Touring, Sport, Grand Touring)
2.0L/2.5L L4
2014-2017
Mazda
6 (Sport, Touring, Grand Touring)
2.5L L4
2013-2017
Mazda
CX-5 (Sport, Touring, Grand Touring, Grand Select)
2.0L/2.5L L4

 

Product Specifications

Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
Item
Specification
Core Part Number
234-5059
Interchange: 2345059, PE01-18-8G1A, PE01188G1A, PEDD-18-8G1, PEDD188G1, PEDD-18-8G1, PEDD188G1
Position
Exhaust System, Upstream (Pre-Catalytic Converter)
Key Parameters
- Connector Gender: Male
- Sensor Type: Heated Oxygen Sensor (5-Wire = Wide-Band / AFR type)
- Thread Diameter: 0.711 IN
- Wire Quantity: 5 Wires
- Wire Harness Length: 24.49 IN

 

Package Content :

1PCS 234-5059 Upstream Oxygen Sensor