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4Pcs 234-4012 234-4018 O2 Sensor Upstream Downstream Oxygen Sensor Replacement for GMC Sierra 1500 Chev-y Silverado 1999 2000 2001 2002
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4Pcs 234-4012 234-4018 O2 Sensor Upstream Downstream Oxygen Sensor Replacement for GMC Sierra 1500 Chev-y Silverado 1999 2000 2001 2002

Check if your car is compatible This helps guarantee fitment of parts.
Delivery Free
Aug 30 - Sep 2 +
🚚 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.
30-Day Return & Refund
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📦 Free Returns & Exchanges: Zero costs to you if the product has any quality issues.
💰 Full Refunds: 100% money-back guarantee within 30 days for defective items.
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$45.95
  • 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
Engine/Displacement
Note
1996-1998
Chevrolet
C1500 Pickup All
4.3L V6
1996-1999
Chevrolet
C1500 Pickup All
5.0L V8
w/Trans Code 4L60-E
1996-1999
Chevrolet
C1500 Pickup All
5.7L V8
w/Trans Code 4L60-E
1996-1998
Chevrolet
K1500 Pickup All
4.3L V6
1996-1999
Chevrolet
K1500 Pickup All
5.0L V8
w/Trans Code 4L60-E
1996-1999
Chevrolet
K1500 Pickup All
5.7L V8
w/Trans Code 4L60-E
1999-2002
Chevrolet
Silverado 1500 Pickup All
4.3L V6
1999-2002
Chevrolet
Silverado 1500 Pickup All
4.8L V8
USA Built Vehicles Only
1999-2002
Chevrolet
Silverado 1500 Pickup All
5.3L V8 GAS (Non-Flex)
USA Built Vehicles Only
1996-1998
GMC
C1500 Pickup All
4.3L V6
1996-1999
GMC
C1500 Pickup All
5.0L V8
w/Trans Code 4L60-E
1996-1999
GMC
C1500 Pickup All
5.7L V8
w/Trans Code 4L60-E
1996-1998
GMC
K1500 Pickup All
4.3L V6
1996-1999
GMC
K1500 Pickup All
5.0L V8
w/Trans Code 4L60-E
1996-1999
GMC
K1500 Pickup All
5.7L V8
w/Trans Code 4L60-E
1999-2002
GMC
Sierra 1500 Pickup All
4.3L V6
1999-2002
GMC
Sierra 1500 Pickup All
4.8L V8
USA Built Vehicles Only
1999-2002
GMC
Sierra 1500 Pickup All
5.3L V8 GAS (Non-Flex)
USA Built Vehicles Only

 

Product Specifications

Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
Item
Specification
Core Part Number
234-4012
Interchange: 19178918, 21006, 15703, ES20317, SG454, 19178930, 2344012, 25312200, 250-24012, OS5044, AP4-33, 5S3029, SG278
Position
Exhaust System, Downstream, Rear, Post-cat
Key Parameters
- Sensor Type: Heated Oxygen Sensor
- Wire Quantity: 4 Wires
- Wiring Harness Length: 15.35 IN
- Connector Gender: Female
- Thread Diameter: 0.708 IN
- Mounting Type: Threaded
- Universal Or Specific Fit: Specific
Core Part Number
234-4018
Interchange: 19178116, 19178935, 19178945, 19178958, 25161128, 25163080, 25164488, 25178022, 25312194, 25312201, 25312203, 25312211, 25315373, 5S3165
Position
Exhaust System, Downstream, Rear, Post-cat
Key Parameters
- Sensor Type: Heated Oxygen Sensor
- Wire Quantity: 4 Wires
- Wiring Harness Length: 15.35 IN
- Connector Gender: Female
- Thread Diameter: 0.708 IN
- Mounting Type: Threaded
- Universal Or Specific Fit: Specific

 

Package Content :

4Pcs (2*234-4012 Upstream + 2*234-4018 Downstream) Oxygen Sensor