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4-Piece O2 Sensor Set
Fits Chevy Silverado Trailblazer GMC Sierra Envoy
Replaces OE: 234-4668, 234-4651
Resolves Symptoms
- Check Engine Light (P0420/P0171)
- Rough Idle & Hesitation
- Poor Fuel Economy (MPG)
- Failed Emissions Inspection
Estimated Delivery
Free
Ordered
Oct 8
Prepared
Oct 8-Oct 9
Delivered
Oct 10-Oct 13
Dispatched quickly from local US warehouses.
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
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
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$55.95
-
No hidden fees: What you see is what you pay.
-
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
|
Note
|
|---|---|---|---|---|
|
2005
|
Buick
|
Rainier
|
5.3L
|
|
|
2005
|
Isuzu
|
Ascender
|
5.3L
|
|
|
2006-2007
|
Pontiac
|
G6
|
3.9L
|
Auto Trans
|
|
2006-2007
|
Pontiac
|
G6
|
3.9L
|
Manual Trans
|
|
2007
|
Pontiac
|
G6
|
3.6L
|
|
|
2005-2007
|
Pontiac
|
G6
|
3.5L
|
|
|
2007
|
Saturn
|
Aura
|
3.5L
|
|
|
2007
|
Saturn
|
Aura
|
3.6L
|
|
|
2004-2007
|
Chevrolet
|
Malibu
|
3.5L
|
|
|
2006-2007
|
Chevrolet
|
Malibu
|
3.9L
|
|
|
2007
|
Chevrolet
|
Silverado 1500
|
5.3L
|
|
|
2007
|
Chevrolet
|
Silverado 1500
|
6.0L
|
|
|
2007
|
Chevrolet
|
Silverado 2500 HD
|
6.0L
|
VIN K
|
|
2007
|
Chevrolet
|
Silverado 2500 HD Pickup
|
6.0L
|
VIN K
|
|
2007
|
Chevrolet
|
Silverado 3500 HD Pickup
|
6.0L
|
|
|
2005
|
Chevrolet
|
SSR
|
6.0L
|
|
|
2005
|
Chevrolet
|
Trailblazer EXT
|
5.3L
|
|
|
2005
|
GMC
|
Envoy
|
5.3L
|
|
|
2005
|
GMC
|
Envoy XL
|
5.3L
|
|
|
2005
|
GMC
|
Envoy XUV
|
5.3L
|
|
|
2007
|
GMC
|
Sierra 1500
|
6.0L
|
|
|
2007
|
GMC
|
Sierra 1500
|
5.3L
|
|
|
2007
|
GMC
|
Sierra 1500
|
6.2L
|
|
|
2007
|
GMC
|
Sierra 2500 HD
|
6.0L
|
VIN K
|
|
2007
|
GMC
|
Sierra 2500 HD Pickup
|
6.0L
|
VIN K
|
|
2007
|
GMC
|
Sierra 3500 HD Pickup
|
6.0L
|
Product Specifications
Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-4668
Interchange: 2344668, 12569429, 12573005, 12573167, 12576131, 12583290, 12583804, 12584925, 12587785, 12590790, 12594452, 12596558, 12597878, 12607410, 12609001, 12611127, 8125731670 |
|
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 - Wire Harness Length: 15.75 IN - Fit Type: Specific |
|
Core Part Number
|
234-4651
Interchange: 2344651, 12559849, 12573168, 12575389, 12583806, 12596619, 19209808, 19209810, 2344407, 234-4407, 25333812, 8125731680, 8192098080 |
|
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 - Wire Harness Length: 16.54 IN - Fit Type: Specific |
Package Content :
4PCS (2*234-4668 Upstream+2*234-4651 Downstream) Oxygen Sensor