2-Piece O2 Sensor Set
- 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.
-
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
|
Note
|
|---|---|---|---|---|
|
2007
|
Buick
|
Rainier
|
4.2L L6
|
256ci
|
|
2008-2012
|
Chevrolet
|
Colorado
|
2.9L L4
|
178ci
|
|
2008-2012
|
Chevrolet
|
Colorado
|
3.7L L5
|
223ci
|
|
2007
|
Chevrolet
|
Colorado
|
2.9L L4
|
2921cc
|
|
2007
|
Chevrolet
|
Colorado
|
3.7L L5
|
3654cc
|
|
2007-2012
|
GMC
|
Canyon
|
2.9L L4
|
178ci
|
|
2007-2012
|
GMC
|
Canyon
|
3.7L L5
|
223ci
|
|
2007-2012
|
GMC
|
Envoy
|
4.2L L6
|
256ci
|
|
2007-2010
|
Hummer
|
H3
|
3.7L L5
|
3654cc
|
|
2007-2010
|
Hummer
|
H3T
|
3.7L L5
|
3654cc
|
|
2007-2008
|
Isuzu
|
Ascender
|
4.2L L6
|
256ci
|
|
2007-2008
|
Isuzu
|
I-290
|
2.9L L4
|
2921cc
|
|
2007-2008
|
Isuzu
|
I-370
|
3.7L L5
|
3654cc
|
|
2007-2009
|
SAAB
|
9-7x
|
4.2L L6
|
256ci
|
Product Specifications
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-4294
Interchange: 12597947, 12604538, 12604575, 8125907500, 8126045380, 8126045750 |
|
Position
|
Exhaust System, Upstream (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Connector Gender: Male
- Mounting Type: Threaded - Sensor Type: Heated Oxygen Sensor - Thread Diameter: 0.708 IN - Wire Quantity: 4 Wires - Wiring Harness Length: 18.90 IN - Fit Type: Specific |
|
Core Part Number
|
234-4331
Interchange: 2344331, 234 4331, 12592591, 12592592, 8125925910, 8125925920 |
|
Position
|
Exhaust System, Downstream (Post-Catalytic Converter)
|
|
Key Parameters
|
- Connector Gender: Female
- Mounting Type: Threaded - Sensor Type: Heated Oxygen Sensor - Thread Diameter: 0.708 IN - Wire Quantity: 4 Wires - Wiring Harness Length: 14.76 IN - Fit Type: Specific |
Package Content :
2PCS (1*234-4331 Upstream+1*234-4294 Downstream) Oxygen Sensor