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Important: Verify connector shape and pins match your original part.
4-Piece Oxygen Sensor Set
Fits GMC Yukon & Sierra 1500/2500 (2008-2014)
Replaces OE: 234-4256, 234-4668
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
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.
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$53.95
High demand: Purchased 5 days ago
-
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
|
|---|---|---|---|
|
2009-2013
|
Cadillac
|
CTS
|
6.2L V8
|
|
2009-2013
|
Cadillac
|
Escalade
|
6.2L V8
|
|
2003-2012
|
GMC
|
Yukon
|
5.3L V8
|
|
2008-2013
|
GMC
|
Yukon
|
6.0L V8 & 6.2L V8
|
|
2008-2012
|
GMC
|
Sierra 1500
|
4.8L V8
|
|
2003-2012
|
GMC
|
Sierra 1500
|
5.3L V8
|
|
2007-2011
|
GMC
|
Sierra 1500
|
6.2L V8
|
|
2007-2011
|
GMC
|
Sierra 2500/3500
|
6.0L V8
|
|
2008-2012
|
Chevrolet
|
Silverado 1500
|
4.8L V8
|
|
2003-2012
|
Chevrolet
|
Silverado 1500
|
5.3L V8
|
|
2009-2012
|
Chevrolet
|
Silverado 1500
|
6.2L V8
|
|
2007-2011
|
Chevrolet
|
Silverado 2500/3500
|
6.0L V8
|
|
2003-2012
|
Chevrolet
|
Suburban 1500
|
5.3L V8
|
|
2008-2013
|
Chevrolet
|
Suburban 2500
|
6.0L V8
|
|
2008-2009
|
Chevrolet
|
Tahoe
|
4.8L V8 & 6.2L V8
|
|
2003-2013
|
Chevrolet
|
Tahoe
|
5.3L V8
|
Product Specifications
Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-4668
Interchange: 2344668, 234 4668, 12569429, 12573005, 12573167, 12576131, 12583290, 12583804, 12584925, 12587785, 12590790, 12594452, 12596558, 12597878, 12607410, 12609001, 12611127, 8125731670 |
|
Position
|
Exhaust System, Upstream and Downstream Positions
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Wire Harness Length: 15.75 in - Thread Diameter: 0.708 in - Mounting Type: Threaded |
|
Core Part Number
|
234-4256
Interchange: 2344256, 234 4256, 12587785, 250-24736, 12609457, 12611165, 92457789 |
|
Position
|
Exhaust System, Upstream and Downstream Positions
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Wire Harness Length: 14.80 in - Thread Diameter: 0.708 in - Mounting Type: Threaded |
Package Content :
4Pcs (2*234-4668 & 2*234-4256) O2 Sensor
