4-Piece Up&Down Oxygen Sensor
- Check Engine Light (P0420/P0171)
- Rough Idle & Hesitation
- Poor Fuel Economy (MPG)
- Failed Emissions Inspection
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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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
- P0134No Activity Detected
- P0135Heater Circuit Malfunction
- P0137/38Circuit Low/High Voltage
- P2195Signal Stuck Lean
- P0030/31Heater Control Circuit
- P0171/74System Too Lean
- P0172System Too Rich
- P2096Post-Catalyst Trim Too Lean
- P0087Fuel Rail Pressure Low
- P0201-04Injector Circuit Open
- P0420Efficiency Below Threshold (B1)
- P0430Efficiency Below Threshold (B2)
- P0300Random Misfire
- P0301-06Cylinder-Specific Misfire
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
|---|---|---|---|
|
2011-2014
|
Ford
|
F-150 FX2
|
3.5L V6
|
|
2011-2014
|
Ford
|
F-150 FX4
|
3.5L V6
|
|
2011-2014
|
Ford
|
F-150 King Ranch
|
3.5L V6
|
|
2011-2014
|
Ford
|
F-150 Lariat
|
3.5L V6
|
|
2011-2014
|
Ford
|
F-150 Platinum
|
3.5L V6
|
|
2011-2014
|
Ford
|
F-150 XL
|
3.5L V6
|
|
2011-2014
|
Ford
|
F-150 XLT
|
3.5L V6
|
|
2013-2014
|
Ford
|
F-150 Limited
|
3.5L V6
|
Product Specifications
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-5076
Interchange: 8F9Z-9F472-E, 8F9Z-9F472-G, CK4Z-9F472-A, DM5Z-9F472-A |
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Position
|
Exhaust System, Upstream, Front, Upper, Pre-Catalytic Converter
|
|
Key Parameters
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- Type: Heated Oxygen Sensor
- Wire Quantity: 5 Wires - Pin Number: 6 - Connector Gender: Male - Thread Diameter: 0.711 IN - Wire Harness Length: 28.74 IN - Material: Plastic, Stainless Steel - Connector Color: Black - Fitment Type: Specific Fit |
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-5113
Interchange: 8F9Z-9F472-B, 8F9Z-9F472-D, 8F9Z-9F472-H, BA5Z-9F472-B, BA5Z-9F472-C, C1BZ-9F472-B, FJ7Z-9F472-A, ZZDA-18-861 |
|
Position
|
Exhaust System, Upstream, Front, Upper, Pre-Catalytic Converter
|
|
Key Parameters
|
- Type: Heated Oxygen Sensor
- Wire Quantity: 5 Wires - Connector Gender: Male - Thread Diameter: 0.711 IN - Wire Harness Length: 16.73 IN - Fitment Type: Specific Fit |
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-4490
Interchange: BE5Z-9G444-A, BE5Z-9G444-B, BE5Z-9G444-C, BL8Z-9G444-A, BR3Z-9G444-A, CK4Z-9G444-C, OS5568 |
|
Position
|
Exhaust System, Downstream Left & Right, Rear, Post-Catalytic Converter
|
|
Key Parameters
|
- Type: Heated Oxygen Sensor
- Wire Quantity: 4 Wires - Connector Gender: Female - Thread Diameter: 0.708 IN - Wire Harness Length: 17.52 IN - Mounting Type: Threaded - Fitment Type: Specific Fit |
Package Included: 4PCS (Upstream 234-5038 x1, 234-5113 x1, Downstream 234-4390 x2) oxygen sensor
Upstream 234-5038 x1, 234-5113 x1, Downstream 234-4390 x2
234-4490(4 wire-Oxygen Sensor): Downstream Left 1 pcs
234-4490(4 wire-Oxygen Sensor): Downstream Right 1 pcs
234-5076(5 wire-Air Fuel Ratio Sensor): Upstream Left 1 pcs
234-5113(5 wire-Air Fuel Ratio Sensor): Upstream Right 1 pcs