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Important: Verify connector shape and pins match your original part.
4-Piece Air Fuel Ratio & O2 Sensor Set
Fits Ford F-150 3.7L & Explorer 3.5L (2011-2015)
Replaces OE: 234-5038, 234-4490
Resolves Symptoms
- Check Engine Light (P0420/P0171)
- Rough Idle & Hesitation
- Poor Fuel Economy (MPG)
- Failed Emissions Inspection
Estimated Delivery
Free
Ordered
Oct 29
Prepared
Oct 29-Oct 30
Delivered
Nov 12-Nov 20
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
- 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
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- Under $50 Orders: 3% Off Next Order
- $50+ Orders: 5% Direct Cashback
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$59.95
High demand: Purchased recently this month
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No hidden fees: What you see is what you pay.
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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
|
|---|---|---|---|
|
2011-2012
|
Ford
|
Escape (Limited; XLT)
|
3.0L V6
|
|
2011-2014
|
Ford
|
F-150
|
3.7L V6
|
|
2014-2015
|
Ford
|
Explorer
|
3.5L V6 (Non-Turbo)
|
Product Specifications
Warranty & Support: 2 Years + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-5038
Interchange: 234-5038, 2345038, 9E5Z-9F472-D, BL3Z-9F472-A, BL3Z-9G472-A, CA38-18-8G1, ZZDL-18-861, OS5578, DY1178 |
|
Position
|
Exhaust System, Upstream (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated
- Connector Gender: Male - Wire Quantity: 5 Wires - Wiring Harness Length: 11.57 in - Thread Diameter: 0.711 in - Fit Type: Specific |
|
Core Part Number
|
234-4490
Interchange: 234-4490, 2344490, BE5Z-9G444-A, BE5Z-9G444-B, BE5Z-9G444-C, BL8Z-9G444-A, BR3Z-9G444-A, CK4Z-9G444-C, OS5568 |
|
Position
|
Exhaust System, Downstream (Post-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated
- Connector Gender: Female - Mounting Type: Threaded - Wire Quantity: 4 Wires - Wiring Harness Length: 17.52 in - Thread Diameter: 0.708 in - Fit Type: Specific |
Package Content :
4Pcs (2*234-5038 Upstream + 2*234-4490 Downstream) O2 Sensor