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Suitable for Downstream O2 Sensor for Chevy Colorado GMC Canyon Trailblazer Hummer H3 | 234-4243 12612571
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Suitable for Downstream O2 Sensor

for Chevy Colorado GMC Canyon Trailblazer Hummer H3
Replaces OE: 234-4243 12612571
Resolves Symptoms:
Persistent Check Engine Light
Rough Idle
Poor Fuel Economy
Lean Hesitation
Check if your car is compatible This helps guarantee fitment of parts.
Delivery Free
Aug 1 - Aug 4 +
🚚 Fast US Local: Dispatched quickly from our local US warehouses for swift delivery.
2-Year Warranty
+
🛡️ Quality Coverage: Protects against any manufacturing defects for 2 full years.
🔄 Free Replacement: We will provide a brand-new replacement for free if any quality issues occur.
60-Day Return & Refund
+
📦 Free Returns & Exchanges: Zero costs to you if the product has any quality issues.
💰 Full Refunds: 100% money-back guarantee within 60 days for defective items.
Review Rewards & Cashback
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Share an install photo & review to unlock tier rewards:

🥈 Under $50
3% Off Next Order
🥇 $50+ Orders
5% Direct Cashback
🔥 Tip: Buy a Combo Set to easily hit $50 and unlock 5% Cashback!

💡 How to claim: Email a screenshot of your review to our support team.

$28.95
  • No other fees; this is the final payment price
  • Get rid of your car's malfunctions and start a pleasant driving journey
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If problem with product: Free Returns & Refunds
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
🚛 NOx Sensors & SCR
  • P2200/02Sensor Circuit / Signal Low
  • P229FCircuit Range/Performance
  • P207FReductant Quality Perf.
  • 46F2/4D16BMW SCR Efficiency Faults
🛑 ABS & Wheel Speed
  • C1021Front Wheel Speed Sensor
  • C1025Sensor Signal Erratic
  • C1207ABS Pump Overrun
  • C0561System Disabled

Automotive-Leader Sensors

Vehicle Compatible

Year
Make
Model
2009-2012
CHEVROLET
COLORADO
2008-2014
CHEVROLET
EXPRESS 1500
2008-2018
CHEVROLET
EXPRESS 2500
2008-2018
CHEVROLET
EXPRESS 3500
2008-2009
CHEVROLET
TRAILBLAZER
2009-2012
GMC
CANYON
2008-2009
GMC
ENVOY
2008-2014
GMC
SAVANA 1500
2008-2016
GMC
SAVANA 2500
2008-2016
GMC
SAVANA 3500
2008-2010
HUMMER
H3
2009-2010
HUMMER
H3T
2008-2009
SAAB
9-7X

 

Product Specifications

Warranty & Support: 2 Years + 24/7 Technical Support
Item
Specification
Core Part Number
234-4243
Interchange: 2344243, 234 4243, 12609477, 12609949, 12612571
Position
Exhaust System, Downstream (Post-Catalytic Converter)
Key Parameters
- Connector Gender: Female
- Mounting Type: Threaded
- Sensor Type: Heated
- Thread Diameter: 0.708 IN
- Wire Quantity: 4 Wires
- Wiring Harness Length: 14.84 in / 376.93mm

Package Content :

1Pcs 234-4243 Oxygen Sensor