2-Piece O2 Sensor Up & Down
- 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
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.
-
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
|
|---|---|---|---|
|
2000-2003
|
Cadillac
|
Deville
|
4.6L
|
|
2001-2002
|
Cadillac
|
Eldorado
|
4.6L
|
|
2001-2003
|
Cadillac
|
Seville
|
4.6L
|
Product Specifications
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-4650
Interchange: 12559850, 12561776, 12562943, 12567127, 8125671270, 8972873520 |
|
Position
|
Exhaust System, Upstream (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Connector Gender: Male
- Mounting Type: Threaded - Sensor Type: Heated - Thread Diameter: 0.708 IN - Wire Harness Length: 15.55 IN - Wire Quantity: 4 Wires |
|
Core Part Number
|
234-4651
Interchange: 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 - Thread Diameter: 0.708 IN - Wire Harness Length: 16.54 IN - Wire Quantity: 4 Wires |
Package Content :
2PCS (1*234-4650 Upstream+1*234-4651 Downstream) Oxygen Sensor